FPUS55 KBOI 092031 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 230 PM MDT Sat May 9 2026 Spot temperatures are for tonight, Sunday, Sunday night, and Monday. IDZ011-100400- West Central Mountains- 230 PM MDT Sat May 9 2026 .TONIGHT...Partly cloudy. Lows 36 to 46. .SUNDAY...Sunny, warmer with highs 66 to 80. .SUNDAY NIGHT...Increasing clouds. Lows 41 to 51. .MONDAY...Sunny. Highs 65 to 80. .MONDAY NIGHT...Mostly clear. Lows 40 to 52. .TUESDAY...Sunny. Highs 75 to 89. .TUESDAY NIGHT...Partly cloudy. Lows 47 to 57. .WEDNESDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Highs 69 to 83. .WEDNESDAY NIGHT...Decreasing clouds. A slight chance of thunderstorms in the evening. A chance of rain showers. Chance of rain 40 percent. Lows 42 to 52. .THURSDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 63 to 77. .THURSDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms in the evening. Chance of rain 20 percent. Lows 38 to 49. .FRIDAY...Partly cloudy. A chance of rain showers, mainly in the afternoon. Chance of rain 30 percent. Highs 58 to 72. .FRIDAY NIGHT...Partly cloudy. A chance of rain showers in the evening, then a slight chance of rain and snow showers after midnight. Chance of precipitation 30 percent. Lows 36 to 46. .SATURDAY...Partly cloudy with a chance of rain and snow showers, mainly in the afternoon. Chance of precipitation 30 percent. Highs 51 to 64. && TEMPERATURE McCall 36 76 41 75 $$ = IDZ013-100400- Boise Mountains- 230 PM MDT Sat May 9 2026 .TONIGHT...Mostly clear. Lows 34 to 48. .SUNDAY...Sunny. Highs 70 to 85. .SUNDAY NIGHT...Mostly cloudy in the evening, then clearing. Lows 37 to 52. .MONDAY...Sunny. Highs 70 to 84. .MONDAY NIGHT...Mostly clear. Lows 40 to 55. .TUESDAY...Sunny. Highs 78 to 93. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 60. .WEDNESDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Chance of rain 20 percent. Highs 73 to 87. .WEDNESDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. Chance of rain 30 percent. Lows 38 to 53. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 65 to 80. Lows 35 to 50. .FRIDAY NIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of rain showers after midnight. Chance of rain 20 percent. Lows 32 to 47. .SATURDAY...Partly cloudy with a slight chance of rain and snow showers. Chance of precipitation 20 percent. Highs 54 to 69. && TEMPERATURE Idaho City 36 84 43 84 $$ = IDZ028-100400- Camas Prairie- 230 PM MDT Sat May 9 2026 .TONIGHT...Mostly clear. Lows 29 to 36. Breezy. West winds 10 to 20 mph with gusts to 30 mph this evening, becoming northwest up to 10 mph after midnight. .SUNDAY...Sunny. Highs 74 to 79. East winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 40 to 45. East winds around 10 mph. .MONDAY...Sunny. Highs 78 to 83. Light winds in the morning, becoming west 10 to 15 mph with gusts to 35 mph in the afternoon. .MONDAY NIGHT...Decreasing clouds. Lows 39 to 46. West winds 10 to 15 mph. Gusts to 30 mph in the evening. .TUESDAY...Sunny. Highs 85 to 90. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 48 to 53. Highs 80 to 85. Breezy. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of rain showers. Chance of rain 20 percent. Lows 41 to 46. Breezy. .THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 70 to 79. Lows 35 to 43. Windy. .SATURDAY...Sunny. Highs 63 to 68. Windy. && TEMPERATURE Fairfield 30 77 41 81 $$ = IDZ033-100400- Upper Weiser River- 230 PM MDT Sat May 9 2026 .TONIGHT...Partly cloudy. Lows 44 to 49. Light winds this evening, becoming northeast up to 10 mph after midnight. .SUNDAY...Sunny. Highs 80 to 85. South winds up to 10 mph. .SUNDAY NIGHT...Decreasing clouds. Lows 49 to 54. Light winds in the evening, becoming north 10 to 15 mph after midnight. .MONDAY...Sunny. Highs 78 to 83. Northwest winds 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph. .TUESDAY...Sunny, warmer with highs 89 to 95. .TUESDAY NIGHT...Partly cloudy. Lows 56 to 61. .WEDNESDAY...Partly sunny. Highs 81 to 87. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Chance of rain 30 percent. Lows 50 to 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. A 20 percent chance of showers. Highs 76 to 82. Lows 46 to 51. .FRIDAY...Sunny. Highs 71 to 77. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance of rain showers. Lows 43 to 48. Highs 63 to 69. && TEMPERATURE Council 46 83 50 83 Cambridge 45 84 51 83 $$ = ORZ064-100400- Oregon Lower Treasure Valley- 230 PM MDT Sat May 9 2026 /130 PM PDT Sat May 9 2026/ .TONIGHT...Partly cloudy this evening, then clearing. Lows 45 to 50. Light winds. .SUNDAY...Sunny. Highs 85 to 90. Southeast winds up to 10 mph with gusts to 20 mph. .SUNDAY NIGHT...Partly cloudy. Lows 53 to 58. Breezy. Northeast winds around 10 mph with gusts to 20 mph in the evening, shifting to northwest 10 to 20 mph with gusts to 30 mph after midnight. .MONDAY...Sunny. Highs 83 to 88. North winds 10 to 15 mph. Gusts to 25 mph in the morning. .MONDAY NIGHT...Partly cloudy. Lows 51 to 56. Northeast winds up to 10 mph in the evening, shifting to northwest around 10 mph after midnight. .TUESDAY...Sunny, hotter. Highs 92 to 97. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 58 to 63. Highs 85 to 90. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Chance of rain 20 percent. Lows 53 to 58. Breezy. .THURSDAY...Sunny. Highs 81 to 86. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows 48 to 53. .FRIDAY...Sunny. Highs 75 to 80. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 44 to 49. Highs 68 to 73. && TEMPERATURE Ontario 46 89 55 86 $$ = IDZ012-100400- Lower Treasure Valley- 230 PM MDT Sat May 9 2026 .TONIGHT...Decreasing clouds. Lows 44 to 49. East winds up to 10 mph. Gusts to 20 mph this evening. .SUNDAY...Sunny, warmer with highs 86 to 91. Southeast winds 10 to 15 mph with gusts to 25 mph. .SUNDAY NIGHT...Decreasing clouds. Lows 52 to 57. East winds up to 10 mph in the evening, shifting to northwest after midnight. Gusts to 25 mph. .MONDAY...Sunny. Highs 82 to 87. Northwest winds 10 to 15 mph. .MONDAY NIGHT...Partly cloudy. Lows 51 to 56. North winds up to 10 mph. .TUESDAY...Sunny, hotter. Highs 93 to 98. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 57 to 62. Highs 86 to 91. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Chance of rain 20 percent. Lows 52 to 57. .THURSDAY...Sunny. Highs 81 to 86. .THURSDAY NIGHT...Partly cloudy. A slight chance of showers in the evening. Chance of rain 20 percent. Lows 48 to 53. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 76 to 81. Lows 44 to 49. .SATURDAY...Mostly sunny. Highs 68 to 73. Breezy. && TEMPERATURE Caldwell 45 89 53 85 $$ = IDZ014-100400- Upper Treasure Valley- 230 PM MDT Sat May 9 2026 .TONIGHT...Mostly clear. Lows 41 to 48. Northwest winds 10 to 15 mph with gusts to 30 mph this evening, shifting to east after midnight. .SUNDAY...Sunny, warmer with highs 87 to 92. East winds 10 to 15 mph with gusts to 30 mph. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. East winds 10 to 15 mph with gusts to 30 mph in the evening, shifting to northwest after midnight. .MONDAY...Sunny. Highs 84 to 89. Northwest winds 10 to 15 mph with gusts to 25 mph. .MONDAY NIGHT...Partly cloudy. Lows 49 to 54. Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening. .TUESDAY...Sunny. Highs 94 to 99. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 56 to 62. Highs 88 to 93. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers in the evening. Chance of rain 20 percent. Lows 50 to 56. Breezy. .THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 77 to 87. Lows 43 to 53. Breezy. .SATURDAY...Sunny. Highs 70 to 75. Breezy. && TEMPERATURE Boise 48 89 53 86 Mountain Home 41 89 50 88 $$ = IDZ016-100400- Western Magic Valley- 230 PM MDT Sat May 9 2026 .TONIGHT...Mostly clear. Lows 38 to 44. Breezy. West winds 10 to 20 mph with gusts to 35 mph this evening, shifting to south around 10 mph after midnight. .SUNDAY...Sunny. Highs 82 to 87. East winds 10 to 15 mph. .SUNDAY NIGHT...Decreasing clouds. Lows 48 to 54. East winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Sunny. Highs 83 to 88. West winds 10 to 15 mph with gusts to 25 mph. .MONDAY NIGHT...Decreasing clouds. Lows 49 to 54. Southwest winds 10 to 15 mph. Gusts to 25 mph in the evening. .TUESDAY...Sunny. Highs 91 to 96. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 55 to 60. Highs 86 to 91. Breezy. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Chance of rain 20 percent. Lows 49 to 54. Breezy. .THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 75 to 84. Lows 42 to 51. Breezy. .SATURDAY...Sunny. Highs 69 to 74. Windy. && TEMPERATURE Jerome 42 83 51 84 Twin Falls 44 84 54 84 $$ = IDZ029-100400- Owyhee Mountains- 230 PM MDT Sat May 9 2026 .TONIGHT...Mostly clear. Lows 41 to 50. .SUNDAY...Sunny, warmer with highs 81 to 86. .SUNDAY NIGHT...Partly cloudy. Lows 47 to 55. .MONDAY...Sunny. Highs 75 to 83. .MONDAY NIGHT...Partly cloudy. Lows 48 to 57. .TUESDAY...Sunny. Highs 84 to 91. .TUESDAY NIGHT...Partly cloudy. Lows 54 to 63. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms. Chance of rain 20 percent. Highs 78 to 83. Lows 47 to 56. Breezy. .THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 69 to 78. Lows 41 to 51. .SATURDAY...Mostly sunny. Highs 62 to 67. Breezy. $$ = IDZ015-100400- Southwest Highlands- 230 PM MDT Sat May 9 2026 .TONIGHT...Mostly clear. Lows 38 to 44. .SUNDAY...Sunny, warmer with highs 80 to 88. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 45 to 51. .MONDAY...Sunny. Highs 81 to 87. .MONDAY NIGHT...Partly cloudy. Lows 46 to 53. .TUESDAY...Sunny. Highs 86 to 94. .TUESDAY NIGHT...Partly cloudy. Lows 53 to 59. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms. Chance of rain 20 percent. Highs 81 to 88. Lows 45 to 52. Breezy. .THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 72 to 82. Lows 39 to 48. Breezy. .SATURDAY...Sunny. Highs 66 to 71. Breezy. $$ = IDZ030-100400- Southern Twin Falls County- 230 PM MDT Sat May 9 2026 .TONIGHT...Mostly clear. Lows 39 to 45. .SUNDAY...Sunny, warmer with highs 81 to 86. .SUNDAY NIGHT...Mostly clear. Lows 47 to 53. Breezy. .MONDAY...Sunny. Highs 82 to 87. .MONDAY NIGHT...Partly cloudy. Lows 50 to 55. .TUESDAY...Sunny. Highs 88 to 93. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 54 to 60. Highs 83 to 88. Breezy. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of rain showers. Chance of rain 20 percent. Lows 48 to 53. Breezy. .THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 73 to 81. Lows 42 to 50. .SATURDAY...Sunny. Highs 68 to 73. Breezy. $$ = ORZ062-100400- Baker County- 130 PM PDT Sat May 9 2026 .TONIGHT...Partly cloudy. Lows 39 to 49. Light winds. .SUNDAY...Mostly sunny. Highs 78 to 84. Breezy. Southeast winds 10 to 20 mph with gusts to 30 mph. .SUNDAY NIGHT...Decreasing clouds. Lows 40 to 50. Breezy. Northwest winds 10 to 20 mph. Gusts to 35 mph in the evening, decreasing to 25 mph after midnight. .MONDAY...Sunny. Highs 75 to 82. Northwest winds 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows 42 to 53. Northwest winds up to 10 mph. .TUESDAY...Sunny, warmer with highs 86 to 93. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 60. .WEDNESDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Highs 78 to 85. .WEDNESDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. Chance of rain 30 percent. Lows 44 to 54. .THURSDAY...Partly cloudy. A slight chance of rain showers in the morning. Chance of rain 20 percent. Highs 74 to 81. .THURSDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of rain showers. Chance of rain 20 percent. Lows 40 to 50. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers. Highs 68 to 75. Lows 36 to 46. .SATURDAY...A slight chance of snow showers in the morning. Partly cloudy with a slight chance of rain showers. Chance of precipitation 20 percent. Highs 60 to 67. && TEMPERATURE Baker City 39 83 41 78 $$ = ORZ061-100400- Harney County- 130 PM PDT Sat May 9 2026 .TONIGHT...Partly cloudy. Lows 37 to 47. East winds 10 to 15 mph. .SUNDAY...Mostly sunny. Warmer with highs 81 to 88. South winds 10 to 15 mph. Gusts to 30 mph in the afternoon. .SUNDAY NIGHT...Decreasing clouds. Lows 39 to 48. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph. .MONDAY...Sunny. Highs 78 to 86. Northwest winds up to 10 mph in the morning, shifting to south in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 44 to 53. Northeast winds 10 to 15 mph. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 83 to 92. Lows 50 to 57. .WEDNESDAY...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Chance of rain 20 percent. Highs 75 to 82. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers in the evening. Chance of rain 20 percent. Lows 43 to 49. Breezy. .THURSDAY...Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 73 to 79. .THURSDAY NIGHT...Partly cloudy with a slight chance of rain showers in the evening, then mostly clear after midnight. Chance of rain 20 percent. Lows 39 to 45. Breezy. .FRIDAY...Partly cloudy. A slight chance of rain showers in the morning. Chance of rain 20 percent. Highs 68 to 74. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 35 to 42. Highs 61 to 67. && TEMPERATURE Burns 38 87 40 83 $$ = ORZ063-100400- Malheur County- 230 PM MDT Sat May 9 2026 /130 PM PDT Sat May 9 2026/ .TONIGHT...Partly cloudy. Lows 38 to 48. East winds up to 10 mph. .SUNDAY...Sunny, warmer with highs 83 to 92. Southeast winds 10 to 15 mph with gusts to 25 mph. .SUNDAY NIGHT...Partly cloudy. Lows 45 to 55. South winds 10 to 15 mph in the evening, shifting to northwest after midnight. Gusts to 30 mph. .MONDAY...Sunny. Highs 80 to 90. North winds 10 to 15 mph. .MONDAY NIGHT...Partly cloudy. Lows 46 to 55. Northeast winds up to 10 mph. .TUESDAY...Sunny. Highs 88 to 95. .TUESDAY NIGHT...Partly cloudy. Lows 53 to 60. .WEDNESDAY...Partly cloudy. A slight chance of showers in the afternoon. Chance of rain 20 percent. Highs 81 to 87. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Chance of rain 20 percent. Lows 46 to 55. Breezy. .THURSDAY...Sunny. Highs 77 to 83. .THURSDAY NIGHT...Partly cloudy. A slight chance of rain showers in the evening. Chance of rain 20 percent. Lows 42 to 51. Breezy. .FRIDAY...Partly cloudy. A slight chance of rain showers in the morning. Chance of rain 20 percent. Highs 71 to 78. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 39 to 47. Highs 64 to 72. Breezy. $$ =