FPUS55 KTFX 201832 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 1232 PM MDT Wed May 20 2026 Spot temperatures and probabilities of measurable precipitation are for the rest of today, tonight, and Thursday. MTZ301-202200- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Rain showers, snow showers likely and chance of thunderstorms. New snow accumulation up to 1 inch. Snow level 6400 feet. Near steady temperature around 40. North winds 5 to 10 mph. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy. Slight chance of rain showers and snow showers in the evening, then slight chance of rain and snow after midnight. Lows 27 to 33. North winds up to 10 mph. Chance of precipitation 20 percent. .THURSDAY...Not as cool. Partly sunny. Highs 47 to 57. North winds up to 10 mph with gusts to around 25 mph. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 33 to 39. Southwest winds 5 to 10 mph. .FRIDAY...Not as cool. Mostly sunny. Highs 51 to 63. West winds 5 to 15 mph. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 37 to 43. Highs 54 to 66. .SATURDAY NIGHT...Mostly clear. Lows 41 to 47. .SUNDAY AND SUNDAY NIGHT...Breezy. Partly cloudy. Highs 56 to 68. Lows 41 to 47. .MEMORIAL DAY...Breezy. Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 54 to 66. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows 38 to 44. .TUESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain in the afternoon. Highs 49 to 59. Chance of precipitation 50 percent. $$ MTZ307-202200- Southern Rocky Mountain Front- Including the city of Rogers Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Chance of thunderstorms and slight chance of snow showers early in the afternoon, then rain showers, snow showers and chance of thunderstorms late in the afternoon. Snow accumulation up to 2 inches. Near steady temperature in the lower 40s. Northwest winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 90 percent. .TONIGHT...Mostly cloudy. Rain showers, snow showers likely and slight chance of thunderstorms in the evening. Snow accumulation up to 1 inch. Total snow accumulation up to 3 inches. Snow level 6000 feet. Lows 26 to 32. North winds up to 10 mph. Chance of precipitation 70 percent. .THURSDAY...Partly sunny. Highs 44 to 54. North winds up to 10 mph with gusts to around 25 mph. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 29 to 35. Northwest winds up to 5 mph with gusts to around 20 mph shifting to the west after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 50 to 62. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows 34 to 40. .SATURDAY...Warmer, sunny. Highs 54 to 68. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows 38 to 45. Highs 57 to 70. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows 39 to 45. .TUESDAY...Partly sunny. Chance of rain and snow in the morning, then rain likely and slight chance of thunderstorms in the afternoon. Highs 51 to 61. Chance of precipitation 60 percent. $$ MTZ302-202200- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Rain showers and slight chance of thunderstorms early in the afternoon, then rain showers likely and slight chance of thunderstorms late in the afternoon. Highs around 50. North winds 10 to 15 mph. Chance of precipitation near 100 percent. .TONIGHT...Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain after midnight. Lows in the lower 30s. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .THURSDAY...Partly sunny. Highs in the upper 50s. North winds 5 to 15 mph with gusts to around 30 mph. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 30s. Southwest winds 5 to 10 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. West winds 5 to 10 mph. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the lower 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Breezy. Partly cloudy. Lows in the upper 40s. Highs 68 to 74. .MONDAY NIGHT...Partly cloudy with slight chance of rain in the evening, then mostly cloudy with chance of rain after midnight. Lows in the mid 40s. Chance of rain 40 percent. .TUESDAY...Partly sunny with a 50 percent chance of rain. Highs in the mid 60s. $$ MTZ308-202200- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Chance of thunderstorms early in the afternoon, then rain showers and chance of thunderstorms late in the afternoon. Highs in the lower 50s. North winds 5 to 15 mph. Chance of precipitation near 100 percent. .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the mid 30s. Northwest winds 5 to 10 mph. Chance of precipitation 50 percent. .THURSDAY...Partly sunny. Highs in the upper 50s. North winds 5 to 10 mph with gusts to around 25 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds up to 5 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the upper 60s. West winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the lower 40s. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent. $$ MTZ303-202200- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs in the mid 50s. North winds 10 to 15 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy. Slight chance of rain showers in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph. Chance of precipitation 20 percent. .THURSDAY...Partly sunny. Highs in the lower 60s. North winds 5 to 15 mph with gusts to around 30 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. East winds around 5 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the upper 60s. West winds up to 10 mph. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Breezy. Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the mid 40s. .TUESDAY...Breezy. Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. && TEMPERATURE / PRECIPITATION Cut Bank 54 33 61 / 60 40 0 $$ MTZ304-202200- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Partly sunny. Slight chance of thunderstorms early in the afternoon, then chance of rain showers late in the afternoon. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy in the evening, then partly cloudy with a 20 percent chance of rain after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. .THURSDAY...Partly sunny. Highs in the lower 60s. North winds 5 to 15 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. Northeast winds up to 10 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs around 70. South winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s. .SATURDAY...Sunny. Highs 74 to 80. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows around 50. Highs 77 to 83. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 70 to 76. $$ MTZ305-202200- Hill County- Including the city of Havre 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms early in the afternoon, then slight chance of rain showers late in the afternoon. Near steady temperature in the mid 50s. Northwest winds 10 to 20 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. Northwest winds 5 to 15 mph. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the lower 70s. South winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 80s. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain in the evening, then mostly cloudy after midnight. Lows around 50. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. && TEMPERATURE / PRECIPITATION Havre 61 33 64 / 40 10 10 $$ MTZ306-202200- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the afternoon, then slight chance of thunderstorms late in the afternoon. Near steady temperature in the upper 50s. Northwest winds 15 to 20 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy. Lows in the mid 30s. Northwest winds 5 to 15 mph. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 10 mph. .FRIDAY...Sunny. Highs around 70. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Sunny. Highs in the lower 80s. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 50s. .TUESDAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. $$ MTZ309-202200- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Cooler. Rain showers and slight chance of thunderstorms early in the afternoon, then chance of rain showers and slight chance of thunderstorms late in the afternoon. Near steady temperature in the lower 50s. North winds 10 to 15 mph. Chance of precipitation near 100 percent. .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the lower 30s. Northwest winds 5 to 10 mph. Chance of precipitation 50 percent. .THURSDAY...Partly sunny. Highs in the lower 60s. North winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northeast winds up to 5 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs around 70. Southwest winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the lower 40s. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs around 80. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 30 percent. $$ MTZ310-202200- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Chance of thunderstorms early in the afternoon, then chance of rain showers and slight chance of thunderstorms late in the afternoon. Near steady temperature in the mid 50s. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 30s. West winds up to 10 mph. .THURSDAY...Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the lower 70s. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs around 80. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows around 50. Highs in the lower 80s. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows around 50. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. $$ MTZ311-202200- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Chance of thunderstorms early in the afternoon, then slight chance of thunderstorms late in the afternoon. Near steady temperature in the mid 50s. Northwest winds 10 to 15 mph. Chance of thunderstorms 50 percent. .TONIGHT...Mostly cloudy. Lows in the upper 30s. Northwest winds up to 10 mph with gusts to around 25 mph. .THURSDAY...Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs 57 to 63. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Warmer. Mostly sunny. Highs 65 to 71. Southwest winds up to 5 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SATURDAY...Warmer, sunny. Highs 73 to 79. .SATURDAY NIGHT...Partly cloudy. Lows around 50. .SUNDAY...Sunny. Highs 76 to 82. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. .MEMORIAL DAY...Sunny. Highs 79 to 85. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain in the evening, then mostly cloudy after midnight. Lows in the mid 50s. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 81. $$ MTZ312-202200- Cascade County below 5000ft- Including the city of Great Falls 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Rain showers likely and chance of thunderstorms early in the afternoon, then rain showers and chance of thunderstorms late in the afternoon. Near steady temperature in the lower 50s. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .THURSDAY...Partly sunny with a 20 percent chance of rain showers. Highs in the upper 50s. Northwest winds up to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the upper 60s. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SATURDAY...Sunny. Highs 73 to 79. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. .MEMORIAL DAY...Sunny. Highs in the lower 80s. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the lower 50s. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Great Falls Arpt 56 36 60 / 100 50 30 $$ MTZ313-202200- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Chance of thunderstorms early in the afternoon, then rain showers likely and chance of thunderstorms late in the afternoon. Highs in the mid 50s. Northwest winds 10 to 15 mph. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 50 percent. .THURSDAY...Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. Southwest winds up to 10 mph shifting to the north in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs in the upper 70s. Lows in the upper 40s. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 50. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent. $$ MTZ314-202200- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy with a 50 percent chance of thunderstorms. Near steady temperature in the mid 50s. Northwest winds 10 to 15 mph. .TONIGHT...Mostly cloudy. A 50 percent chance of rain showers in the evening. Lows in the upper 30s. Northwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 56 to 62. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 30s. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY...Warmer, sunny. Highs 65 to 71. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Warmer, sunny. Highs 73 to 79. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs 80 to 86. Lows in the lower 50s. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 50s. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 81. && TEMPERATURE / PRECIPITATION Lewistown 56 34 55 / 70 50 30 $$ MTZ315-202200- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Slight chance of thunderstorms early in the afternoon, then chance of thunderstorms late in the afternoon. Highs 47 to 57. West winds 5 to 15 mph. Chance of thunderstorms 50 percent. .TONIGHT...Rain showers, snow showers and slight chance of thunderstorms in the evening, then slight chance of rain and snow after midnight. Snow accumulation up to 1 inch. Snow level 6200 feet. Lows in the lower 30s. North winds up to 10 mph. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. A 20 percent chance of rain showers and snow showers in the morning. Highs 46 to 56. North winds up to 10 mph. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. North winds up to 5 mph with gusts to around 20 mph shifting to the southwest after midnight. .FRIDAY...Warmer. Mostly sunny. Highs 55 to 65. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY...Warmer, sunny. Highs 61 to 71. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs 65 to 73. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 66 to 74. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the mid 40s. Chance of rain 30 percent. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 57 to 65. Chance of precipitation 50 percent. $$ MTZ316-202200- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Chance of thunderstorms early in the afternoon, then rain showers and chance of thunderstorms late in the afternoon. Highs 51 to 59. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .TONIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. North winds up to 10 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny with a 20 percent chance of rain showers. Highs 52 to 60. North winds up to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 5 mph shifting to the south after midnight. .FRIDAY...Warmer. Mostly sunny. Highs 61 to 69. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Warmer, sunny. Highs 68 to 76. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Highs 71 to 79. .MEMORIAL DAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 72 to 80. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 64 to 70. Chance of precipitation 50 percent. $$ MTZ317-202200- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Rain showers likely, chance of thunderstorms and snow showers likely early in the afternoon, then rain showers, chance of thunderstorms and snow showers late in the afternoon. Snow accumulation up to 1 inch. Near steady temperature in the mid 40s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .TONIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of snow and slight chance of rain after midnight. Lows 30 to 36. Northwest winds up to 10 mph with gusts to around 25 mph. Chance of precipitation 50 percent. .THURSDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 44 to 52. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows 28 to 36. Northwest winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 54 to 62. Southwest winds up to 10 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows 35 to 43. .SATURDAY...Warmer, sunny. Highs 61 to 69. .SATURDAY NIGHT...Partly cloudy. Lows 41 to 49. .SUNDAY...Sunny. Highs 67 to 73. .SUNDAY NIGHT...Partly cloudy. Lows 43 to 51. .MEMORIAL DAY...Sunny. Highs 68 to 74. .MONDAY NIGHT...Mostly cloudy with chance of rain in the evening, then partly cloudy with slight chance of rain after midnight. Lows 45 to 51. Chance of rain 30 percent. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 62 to 68. Chance of precipitation 50 percent. $$ MTZ318-202200- Snowy and Judith Mountains- 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 47 to 55. Northwest winds 5 to 15 mph. .TONIGHT...Cloudy. Chance of rain showers in the evening, then chance of snow and slight chance of rain after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 50 percent. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 45 to 53. Northwest winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 30s. Northwest winds 5 to 10 mph with gusts to around 25 mph shifting to the west after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 55 to 63. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows around 40. .SATURDAY...Warmer, sunny. Highs 63 to 71. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs 69 to 77. .SUNDAY NIGHT...Partly cloudy. Lows 46 to 52. .MEMORIAL DAY...Sunny. Highs 71 to 79. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 50. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 66 to 74. Chance of precipitation 30 percent. $$ MTZ319-202200- Helena Valley- Including the city of Helena 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the afternoon, then rain showers likely and chance of thunderstorms late in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph. Chance of precipitation 90 percent. .THURSDAY...Mostly sunny with a 20 percent chance of rain showers. Highs around 60. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 5 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the upper 60s. Southeast winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows around 40. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs in the upper 70s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .MONDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 40s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Helena 63 38 60 / 70 90 20 $$ MTZ320-202200- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 46 to 56. West winds 5 to 15 mph with gusts to around 35 mph. .TONIGHT...Rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of rain and snow after midnight. Snow accumulation up to 3 inches. Snow level 6600 feet. Lows in the mid 30s. North winds 5 to 10 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. Chance of snow and slight chance of rain showers in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 43 to 53. North winds 5 to 15 mph. Gusts up to 35 mph in the morning. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows 29 to 35. North winds up to 10 mph shifting to the south after midnight. Gusts up to 25 mph. .FRIDAY...Not as cool. Mostly sunny. Highs 53 to 63. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY...Warmer, sunny. Highs 60 to 70. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs 65 to 75. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 67 to 75. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 61 to 69. Chance of precipitation 50 percent. $$ MTZ321-202200- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain and snow after midnight. No snow accumulation. Lows in the lower 30s. Northwest winds up to 10 mph. Chance of precipitation 70 percent. .THURSDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Northwest winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the lower 60s. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY...Sunny. Highs around 70. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SUNDAY...Sunny. Highs in the mid 70s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. .MEMORIAL DAY...Sunny. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 40s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 50 percent. $$ MTZ322-202200- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Slight chance of thunderstorms early in the afternoon, then chance of thunderstorms and snow showers late in the afternoon. Highs 47 to 57. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TONIGHT...Rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of snow and rain after midnight. Snow accumulation up to 1 inch. Snow level 6600 feet. Lows 30 to 36. North winds 5 to 10 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. Slight chance of snow in the morning, then slight chance of rain showers in the afternoon. Highs 44 to 54. North winds 5 to 15 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon. Chance of precipitation 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows 29 to 35. North winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 54 to 64. Southwest winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 35 to 41. .SATURDAY...Warmer, sunny. Highs 61 to 71. .SATURDAY NIGHT...Partly cloudy. Lows 40 to 46. .SUNDAY...Sunny. Highs 65 to 75. .SUNDAY NIGHT...Partly cloudy. Lows 42 to 48. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 66 to 76. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows 42 to 48. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 58 to 68. Chance of precipitation 50 percent. $$ MTZ323-202200- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the afternoon, then chance of thunderstorms late in the afternoon. Near steady temperature in the upper 50s. Northwest winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 50 percent. .TONIGHT...Rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the upper 30s. North winds 5 to 15 mph. Gusts up to 35 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 50s. North winds 10 to 20 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows in the mid 30s. North winds up to 10 mph with gusts to around 25 mph shifting to the southeast after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. South winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. $$ MTZ324-202200- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Slight chance of rain showers early in the afternoon, then chance of rain showers and slight chance of thunderstorms late in the afternoon. Highs around 60. West winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 50 percent. .TONIGHT...Rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the mid 30s. North winds 5 to 10 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly sunny. A 50 percent chance of rain in the morning. Highs in the mid 50s. North winds 5 to 15 mph with gusts to around 30 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. South winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows around 40. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the mid 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Sunny. Highs around 80. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent. $$ MTZ325-202200- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Slight chance of thunderstorms early in the afternoon, then chance of rain showers and slight chance of thunderstorms late in the afternoon. Near steady temperature in the upper 50s. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TONIGHT...Rain and slight chance of thunderstorms in the evening, then rain and snow after midnight. No snow accumulation. Lows in the mid 30s. North winds 5 to 10 mph. Gusts up to 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Mostly cloudy with rain and snow likely in the morning, then mostly sunny in the afternoon. Little or no snow accumulation. Highs in the lower 50s. North winds 10 to 25 mph. Gusts up to 40 mph in the morning. Chance of precipitation 70 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Northeast winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY...Warmer. Mostly sunny. Highs in the mid 60s. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Breezy, sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .TUESDAY...Windy. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent. $$ MTZ326-202200- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms late in the afternoon. Highs around 60. Northwest winds 5 to 10 mph. Chance of precipitation 50 percent. .TONIGHT...Rain showers and slight chance of thunderstorms in the evening, then rain likely after midnight. Lows in the mid 30s. Northwest winds up to 10 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. Snow likely and chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the mid 50s. Northwest winds up to 10 mph with gusts to around 30 mph. Chance of precipitation 70 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. North winds up to 5 mph with gusts to around 20 mph shifting to the south after midnight. .FRIDAY...Warmer. Mostly sunny. Highs in the mid 60s. South winds up to 5 mph shifting to the northwest in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Sunny. Highs around 80. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 61 34 55 / 40 100 60 Bozeman MSU 60 35 53 / 50 100 80 $$ MTZ330-202200- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. Slight chance of thunderstorms and snow showers early in the afternoon, then chance of rain showers, snow showers and slight chance of thunderstorms late in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TONIGHT...Snow showers, rain and slight chance of thunderstorms in the evening, then snow and rain likely after midnight. Snow accumulation up to 3 inches. Snow level 7500 feet. Lows 28 to 34. Northwest winds up to 10 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy with a 50 percent chance of snow showers in the morning, then mostly sunny in the afternoon. Highs 39 to 49. North winds 10 to 15 mph with gusts to around 45 mph. .THURSDAY NIGHT...Partly cloudy. Lows 24 to 30. Northeast winds up to 10 mph. Gusts up to 30 mph decreasing to 20 mph after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 48 to 60. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows 32 to 38. .SATURDAY...Warmer, sunny. Highs 56 to 68. .SATURDAY NIGHT...Partly cloudy. Lows 38 to 44. .SUNDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 62 to 72. .SUNDAY NIGHT...Partly cloudy. Lows 39 to 45. .MEMORIAL DAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 64 to 74. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows 40 to 46. .TUESDAY...Breezy. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 58 to 68. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 56 28 50 / 30 100 50 $$ MTZ327-202200- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. A 20 percent chance of thunderstorms and snow showers late in the afternoon. Highs 46 to 56. West winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of snow and rain after midnight. Lows in the lower 30s. Northwest winds 10 to 15 mph shifting to the north after midnight. Gusts up to 30 mph. Chance of precipitation 50 percent. .THURSDAY...Mostly sunny. Highs 45 to 55. North winds 5 to 15 mph. Gusts up to 45 mph decreasing to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows around 30. North winds up to 10 mph shifting to the southeast after midnight. Gusts up to 25 mph. .FRIDAY...Not as cool. Mostly sunny. Highs 52 to 62. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY...Warmer, sunny. Highs 58 to 70. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows around 40. Highs 62 to 72. .MEMORIAL DAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 62 to 72. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 37 to 43. .TUESDAY...Mostly sunny with slight chance of rain and snow in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs 55 to 65. Chance of precipitation 70 percent. $$ MTZ328-202200- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. A 20 percent chance of thunderstorms late in the afternoon. Highs 56 to 62. West winds 5 to 15 mph. .TONIGHT...Rain and slight chance of thunderstorms in the evening, then rain and snow likely after midnight. Snow accumulation up to 1 inch. Lows in the mid 30s. North winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly sunny. A 50 percent chance of rain and snow in the morning. Highs 52 to 58. North winds 10 to 20 mph. Gusts up to 45 mph decreasing to 35 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Northeast winds up to 10 mph with gusts to around 30 mph shifting to the south after midnight. .FRIDAY...Warmer. Mostly sunny. Highs 61 to 67. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY...Warmer, sunny. Highs 69 to 77. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs 73 to 79. .MEMORIAL DAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 73 to 79. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 40s. .TUESDAY...Breezy. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 67 to 73. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Dillon 61 34 57 / 10 80 30 $$ MTZ329-202200- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 1232 PM MDT Wed May 20 2026 .REST OF TODAY...Mostly cloudy. A 20 percent chance of thunderstorms late in the afternoon. Highs 49 to 57. West winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Rain, snow showers and slight chance of thunderstorms in the evening, then rain likely and chance of snow after midnight. Snow accumulation up to 3 inches. Snow level 7600 feet. Lows in the lower 30s. North winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Mostly cloudy with a 50 percent chance of snow in the morning, then mostly sunny in the afternoon. Highs 44 to 52. North winds 10 to 25 mph with gusts to around 50 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s. North winds 5 to 15 mph with gusts to around 35 mph shifting to the southeast up to 5 mph after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 53 to 61. South winds up to 5 mph shifting to the west with gusts to around 25 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY...Warmer, sunny. Highs 62 to 70. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SUNDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 65 to 73. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. .MEMORIAL DAY...Windy, sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 66 to 72. .MONDAY NIGHT...Breezy. Partly cloudy. Lows in the lower 40s. .TUESDAY...Windy. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 66. Chance of precipitation 40 percent. $$