FPUS55 KBOI 122031 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 230 PM MDT Tue May 12 2026 Spot temperatures are for tonight, Wednesday, Wednesday night, and Thursday. IDZ011-130400- West Central Mountains- 230 PM MDT Tue May 12 2026 .TONIGHT...Partly cloudy. Lows 50 to 60. .WEDNESDAY...Partly cloudy with scattered rain showers. Isolated thunderstorms in the afternoon. Chance of rain 30 percent. Much cooler with highs 59 to 72. Temperature falling into the upper 50s in the afternoon. Windy. Southwest winds around 25 mph in the afternoon. Gusts to 40 mph. .WEDNESDAY NIGHT...Decreasing clouds. Much colder with lows 32 to 42. Breezy. Gusts to 35 mph in the evening. .THURSDAY...Patchy fog in the morning. Sunny. Highs 52 to 67. .THURSDAY NIGHT...Mostly clear. Lows 33 to 43. .FRIDAY...Sunny. Highs 54 to 68. .FRIDAY NIGHT...Increasing clouds. Lows 32 to 42. .SATURDAY...Partly cloudy. A slight chance of snow showers in the afternoon. Chance of snow 20 percent. Cooler with highs 43 to 56. .SATURDAY NIGHT...Mostly cloudy with a chance of snow showers in the evening, then partly cloudy with a slight chance of snow showers after midnight. Areas of fog after midnight. Chance of snow 30 percent. Lows 26 to 36. .SUNDAY...Patchy fog in the morning. Partly cloudy with a 20 percent chance of snow showers. Highs 44 to 57. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Areas of fog after midnight. Lows 28 to 38. .MONDAY...Patchy fog in the morning. Mostly sunny. Highs 51 to 65. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 32 to 42. Highs 56 to 70. && TEMPERATURE McCall 50 68 33 61 $$ = IDZ013-130400- Boise Mountains- 230 PM MDT Tue May 12 2026 .TONIGHT...Partly cloudy. Lows 45 to 60. .WEDNESDAY...Partly cloudy. Scattered rain showers in the morning, then isolated rain showers and thunderstorms in the afternoon. Chance of rain 30 percent. Not as warm with highs 64 to 78. Temperature falling into the mid 60s in the afternoon. Windy. West winds around 25 mph with gusts to 45 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Much colder with lows 27 to 42. Windy. Northwest winds around 25 mph with gusts to 45 mph in the evening. .THURSDAY...Sunny. Highs 56 to 70. .THURSDAY NIGHT...Clear. Lows 28 to 43. .FRIDAY...Sunny. Highs 58 to 73. .FRIDAY NIGHT...Mostly clear. Lows 27 to 42. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs 46 to 61. Lows 20 to 35. .SUNDAY...Partly cloudy. A slight chance of snow showers in the afternoon. Chance of snow 20 percent. Highs 48 to 62. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 21 to 36. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 54 to 69. Lows 26 to 41. .TUESDAY...Sunny. Highs 61 to 74. && TEMPERATURE Idaho City 51 76 35 69 $$ = IDZ028-130400- Camas Prairie- 230 PM MDT Tue May 12 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Partly cloudy. Lows 49 to 54. Northeast winds up to 10 mph. Gusts to 25 mph this evening. .WEDNESDAY...Partly sunny in the morning, then clearing. Not as warm with highs 74 to 79. Temperature falling into the upper 60s in the afternoon. Very windy. South winds 10 to 15 mph with gusts to 40 mph in the morning, increasing to west 25 to 35 mph with gusts to 60 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Much colder with lows 32 to 37. Very windy. West winds 25 to 35 mph with gusts to 55 mph in the evening, decreasing to 10 to 20 mph with gusts to 40 mph after midnight. .THURSDAY...Sunny, cooler with highs 63 to 68. Windy. West winds 10 to 20 mph with gusts to 30 mph in the morning, increasing to 20 to 30 mph with gusts to 40 mph in the afternoon. .THURSDAY NIGHT...Clear. Lows 32 to 37. Windy. West winds 15 to 25 mph with gusts to 35 mph in the evening, becoming northwest around 10 mph after midnight. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 66 to 71. Lows 32 to 37. Breezy. .SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Cooler. Highs 55 to 61. Lows 26 to 32. Windy. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 60 to 65. Lows 30 to 35. Breezy. .TUESDAY...Sunny. Highs 66 to 71. Breezy. && TEMPERATURE Fairfield 49 77 33 67 $$ = IDZ033-130400- Upper Weiser River- 230 PM MDT Tue May 12 2026 .TONIGHT...Increasing clouds. Lows 58 to 63. East winds up to 10 mph with gusts to 20 mph. .WEDNESDAY...Mostly cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Chance of rain 30 percent. Not as warm with highs 70 to 76. Temperature falling into the mid 60s in the afternoon. Windy. South winds 10 to 15 mph in the morning, becoming west 15 to 25 mph in the afternoon. Gusts to 40 mph. .WEDNESDAY NIGHT...Mostly clear. Much cooler with lows 39 to 44. Breezy. Northwest winds 10 to 20 mph with gusts to 35 mph in the evening, decreasing to around 10 mph after midnight. .THURSDAY...Sunny. Highs 66 to 72. Southwest winds up to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows 40 to 45. Northwest winds up to 10 mph. .FRIDAY...Sunny. Highs 68 to 74. .FRIDAY NIGHT AND SATURDAY...Increasing clouds. Cooler. Lows 40 to 45. Highs 57 to 62. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 33 to 38. Highs 58 to 63. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 35 to 44. Highs 65 to 75. && TEMPERATURE Council 60 75 41 70 Cambridge 59 75 41 72 $$ = ORZ064-130400- Oregon Lower Treasure Valley- 230 PM MDT Tue May 12 2026 /130 PM PDT Tue May 12 2026/ ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Increasing clouds. Lows 59 to 64. Northeast winds up to 10 mph this evening, shifting to southwest after midnight. Gusts to 20 mph. .WEDNESDAY...Mostly cloudy in the morning, then clearing. Not as warm with highs 73 to 78. Temperature falling to around 70 in the afternoon. Windy. West winds 10 to 20 mph in the morning, increasing to 20 to 30 mph in the afternoon. Gusts to 50 mph. .WEDNESDAY NIGHT...Mostly clear. Much cooler with lows 42 to 47. Breezy. Northwest winds 10 to 20 mph. Gusts to 40 mph in the evening, decreasing to 25 mph after midnight. .THURSDAY...Sunny. Highs 73 to 78. West winds around 10 mph. .THURSDAY NIGHT...Mostly clear. Lows 44 to 49. North winds 10 to 15 mph. .FRIDAY...Sunny. Highs 73 to 78. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Cooler. Lows 43 to 48. Highs 61 to 66. Breezy. .SATURDAY NIGHT...Partly cloudy. Lows 37 to 42. Windy. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 62 to 67. Lows 38 to 43. Breezy. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 69 to 74. Lows 41 to 46. .TUESDAY...Sunny. Highs 74 to 79. && TEMPERATURE Ontario 61 76 45 75 $$ = IDZ012-130400- Lower Treasure Valley- 230 PM MDT Tue May 12 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Increasing clouds. Lows 59 to 64. Southeast winds up to 10 mph with gusts to 20 mph. .WEDNESDAY...Mostly cloudy with isolated showers in the morning, then sunny in the afternoon. Chance of rain 20 percent. Not as warm with highs 75 to 80. Temperature falling into the lower 70s in the afternoon. Windy. Southwest winds 10 to 20 mph in the morning, increasing to west 20 to 30 mph in the afternoon. Gusts to 45 mph. .WEDNESDAY NIGHT...Mostly clear. Much cooler with lows 42 to 47. Windy. Northwest winds 15 to 25 mph with gusts to 40 mph in the evening, decreasing to around 10 mph with gusts to 25 mph after midnight. .THURSDAY...Sunny. Highs 72 to 77. Northwest winds up to 10 mph with gusts to 20 mph. .THURSDAY NIGHT...Mostly clear. Lows 44 to 49. North winds up to 10 mph with gusts to 20 mph. .FRIDAY...Sunny. Highs 74 to 79. .FRIDAY NIGHT...Increasing clouds. Lows 42 to 47. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Cooler. Highs 61 to 66. Lows 36 to 41. Breezy. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 62 to 67. Lows 38 to 43. Breezy. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 69 to 74. Lows 41 to 46. .TUESDAY...Sunny. Highs 75 to 80. && TEMPERATURE Caldwell 61 78 45 75 $$ = IDZ014-130400- Upper Treasure Valley- 230 PM MDT Tue May 12 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Increasing clouds. Lows 58 to 65. East winds 10 to 15 mph with gusts to 25 mph. .WEDNESDAY...Partly sunny in the morning, then clearing. Not as warm with highs 78 to 88. Temperature falling into the mid 70s in the afternoon. Windy. South winds 10 to 20 mph with gusts to 40 mph in the morning, increasing to west 20 to 30 mph with gusts to 55 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Much cooler with lows 42 to 47. Windy. Northwest winds 20 to 30 mph with gusts to 50 mph in the evening, decreasing to 10 to 15 mph with gusts to 30 mph after midnight. .THURSDAY...Sunny. Not as warm with highs 72 to 77. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph. .THURSDAY NIGHT...Clear. Lows 42 to 47. Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening. .FRIDAY...Sunny. Highs 75 to 80. Breezy. .FRIDAY NIGHT...Mostly clear. Lows 40 to 46. Breezy. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Cooler. Highs 62 to 67. Lows 36 to 41. Windy. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 61 to 66. Lows 36 to 42. Windy. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 69 to 74. Lows 39 to 45. .TUESDAY...Sunny. Highs 76 to 81. && TEMPERATURE Boise 65 78 47 73 Mountain Home 59 86 44 75 $$ = IDZ016-130400- Western Magic Valley- 230 PM MDT Tue May 12 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Partly cloudy. Lows 55 to 61. Southeast winds 10 to 15 mph with gusts to 25 mph. .WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms in the afternoon. Chance of rain 20 percent. Highs 84 to 89. Temperature falling into the upper 70s in the afternoon. Windy. South winds 10 to 15 mph with gusts to 35 mph in the morning, increasing to west 20 to 30 mph with gusts to 55 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Much cooler with lows 41 to 46. Very windy. West winds 25 to 35 mph with gusts to 55 mph in the evening, decreasing to 10 to 20 mph with gusts to 30 mph after midnight. .THURSDAY...Sunny, cooler with highs 69 to 74. Windy. West winds 15 to 25 mph with gusts to 35 mph. .THURSDAY NIGHT...Clear. Lows 40 to 45. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph in the evening, shifting to southwest around 10 mph after midnight. .FRIDAY...Sunny. Highs 73 to 78. Breezy. .FRIDAY NIGHT...Mostly clear. Lows 39 to 44. Breezy. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Cooler. Highs 61 to 66. Lows 35 to 40. Windy. .SUNDAY...Sunny. Highs 58 to 63. Windy. .SUNDAY NIGHT...Decreasing clouds. Lows 33 to 38. Breezy. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 66 to 71. Lows 37 to 42. .TUESDAY...Sunny. Highs 72 to 77. && TEMPERATURE Jerome 59 86 45 70 Twin Falls 61 87 44 71 $$ = IDZ029-130400- Owyhee Mountains- 230 PM MDT Tue May 12 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Increasing clouds. Lows 56 to 65. .WEDNESDAY...Partly sunny in the morning, then clearing. Much cooler with highs 70 to 75. Temperature falling into the mid 60s in the afternoon. Windy. Southwest winds 25 to 30 mph with gusts to 50 mph. .WEDNESDAY NIGHT...Mostly clear. Much colder with lows 38 to 45. Windy. Northwest winds around 25 mph with gusts to 45 mph in the evening. .THURSDAY...Sunny. Highs 67 to 72. .THURSDAY NIGHT...Clear. Lows 40 to 47. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 67 to 73. Lows 38 to 45. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Cooler. Highs 56 to 61. Lows 31 to 38. Windy. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 54 to 59. Lows 33 to 40. Breezy. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 62 to 67. Lows 37 to 45. .TUESDAY...Sunny. Highs 68 to 74. $$ = IDZ015-130400- Southwest Highlands- 230 PM MDT Tue May 12 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Increasing clouds. Lows 53 to 61. .WEDNESDAY...Mostly sunny. Highs 77 to 86. Temperature falling into the mid 70s in the afternoon. Windy. Southwest winds 25 to 30 mph. Gusts to 45 mph in the morning, increasing to 55 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Much colder with lows 37 to 42. Windy. Northwest winds 25 to 30 mph with gusts to 50 mph in the evening. .THURSDAY...Sunny, cooler with highs 69 to 75. .THURSDAY NIGHT...Clear. Lows 39 to 44. .FRIDAY...Sunny. Highs 71 to 76. .FRIDAY NIGHT...Mostly clear. Lows 37 to 42. .SATURDAY THROUGH SUNDAY...Partly cloudy. Cooler. Highs 54 to 64. Lows 31 to 36. Windy. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 31 to 41. Highs 63 to 69. Breezy. .TUESDAY...Sunny. Highs 70 to 76. $$ = IDZ030-130400- Southern Twin Falls County- 230 PM MDT Tue May 12 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Partly cloudy. Lows 55 to 61. .WEDNESDAY...Partly cloudy. Isolated thunderstorms in the afternoon. Highs 83 to 88. Temperature falling into the upper 70s in the afternoon. Windy. Southwest winds 25 to 30 mph. Gusts to 35 mph in the morning, increasing to 55 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Much colder with lows 39 to 44. Windy. Northwest winds 25 to 30 mph with gusts to 50 mph in the evening. .THURSDAY...Sunny, cooler with highs 69 to 74. .THURSDAY NIGHT...Clear. Lows 41 to 46. .FRIDAY...Sunny. Highs 72 to 77. .FRIDAY NIGHT...Mostly clear. Lows 39 to 44. .SATURDAY THROUGH SUNDAY...Partly cloudy. Cooler. Highs 56 to 64. Lows 32 to 37. Windy. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 32 to 42. Highs 64 to 69. Breezy. .TUESDAY...Sunny. Highs 71 to 76. $$ = ORZ062-130400- Baker County- 130 PM PDT Tue May 12 2026 .TONIGHT...Increasing clouds. Lows 51 to 61. South winds 10 to 15 mph with gusts to 30 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming mostly sunny. Scattered rain showers. Chance of rain 30 percent. Much cooler with highs 64 to 73. Temperature falling to around 60 in the afternoon. Windy. West winds 15 to 25 mph with gusts to 45 mph. .WEDNESDAY NIGHT...Mostly clear. Patchy fog after midnight. Colder with lows 34 to 44. Windy. Northwest winds 15 to 25 mph with gusts to 40 mph in the evening, decreasing to 10 to 15 mph with gusts to 30 mph after midnight. .THURSDAY...Areas of fog in the morning. Sunny. Highs 65 to 73. West winds up to 10 mph with gusts to 20 mph. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows 35 to 45. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph. .FRIDAY...Areas of fog in the morning. Sunny. Highs 64 to 72. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Patchy fog. Cooler. Lows 30 to 40. Highs 52 to 60. Breezy. .SUNDAY...Areas of fog in the morning. Mostly sunny. Highs 55 to 62. Breezy. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 32 to 42. Highs 63 to 70. .TUESDAY...Sunny. Highs 68 to 75. && TEMPERATURE Baker City 51 68 34 70 $$ = ORZ061-130400- Harney County- 130 PM PDT Tue May 12 2026 .TONIGHT...Increasing clouds. Lows 45 to 55. Breezy. Southwest winds 10 to 20 mph with gusts to 40 mph. .WEDNESDAY...Decreasing clouds. Much cooler with highs 61 to 69. Windy. West winds 20 to 30 mph with gusts to 45 mph. .WEDNESDAY NIGHT...Mostly clear. Colder with lows 31 to 40. Breezy. Northwest winds 10 to 20 mph. Gusts to 35 mph in the evening, decreasing to 25 mph after midnight. .THURSDAY...Patchy fog in the morning. Sunny. Highs 67 to 75. West winds up to 10 mph with gusts to 20 mph. .THURSDAY NIGHT...Clear. Lows 34 to 42. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph. .FRIDAY...Sunny. Highs 65 to 75. .FRIDAY NIGHT AND SATURDAY...Increasing clouds. Cooler. Lows 31 to 39. Highs 55 to 61. Breezy. .SATURDAY NIGHT...Partly cloudy. Lows 25 to 34. Breezy. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 57 to 62. Lows 29 to 37. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 64 to 70. Lows 33 to 41. .TUESDAY...Sunny. Highs 69 to 76. && TEMPERATURE Burns 47 66 31 72 $$ = ORZ063-130400- Malheur County- 230 PM MDT Tue May 12 2026 /130 PM PDT Tue May 12 2026/ ...WIND ADVISORY REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ WEDNESDAY TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT... .TONIGHT...Increasing clouds. Lows 54 to 62. Breezy. South winds 10 to 20 mph with gusts to 30 mph. .WEDNESDAY...Decreasing clouds. Not as warm with highs 68 to 76. Temperature falling into the upper 60s in the afternoon. Windy. West winds 20 to 30 mph with gusts to 50 mph. .WEDNESDAY NIGHT...Mostly clear. Much colder with lows 37 to 45. Windy. Northwest winds 15 to 25 mph with gusts to 40 mph in the evening, becoming west 10 to 15 mph with gusts to 25 mph after midnight. .THURSDAY...Sunny. Highs 70 to 78. West winds up to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows 39 to 47. Breezy. Northwest winds 10 to 20 mph. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 70 to 77. Lows 36 to 45. Breezy. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Cooler. Highs 57 to 64. Lows 30 to 39. Breezy. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 58 to 64. Lows 33 to 42. Breezy. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 66 to 72. Lows 36 to 45. .TUESDAY...Sunny. Highs 71 to 79. $$ =