FPUS55 KBOI 230633 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 1232 AM MDT Mon Mar 23 2026 Forecast Updated. Spot temperatures are for .SUNDAY THROUGH SUNDAY..., Monday, Monday night, and Tuesday. IDZ011-231400- West Central Mountains- 1232 AM MDT Mon Mar 23 2026 .TODAY...Decreasing clouds. Highs 48 to 63. .TONIGHT...Mostly cloudy. Lows 34 to 45. .TUESDAY...A chance of rain and snow showers in the morning, then rain showers likely in the afternoon. Chance of precipitation 60 percent. No snow accumulation. Highs 47 to 62. .TUESDAY NIGHT...Rain showers likely, mainly in the evening. Chance of rain 60 percent. Lows 39 to 48. .WEDNESDAY...Rain showers likely. A chance of snow showers in the afternoon. Chance of precipitation 60 percent. Little snow accumulation expected. Highs 47 to 62. .WEDNESDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Chance of precipitation 40 percent. Colder with lows 24 to 33. .THURSDAY...Partly cloudy. A slight chance of snow showers in the morning. Chance of snow 20 percent. Cooler with highs 38 to 49. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Warmer. Lows 18 to 30. Highs 49 to 59. .FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows 27 to 41. Highs 54 to 67. && TEMPERATURE McCall 24 57 34 55 $$ = IDZ013-231400- Boise Mountains- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 54 to 67. .TONIGHT...Increasing clouds. Lows 31 to 46. .TUESDAY...Mostly cloudy in the morning, then becoming partly sunny. A 30 percent chance of rain showers. Highs 57 to 72. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 34 to 49. .WEDNESDAY...Partly cloudy. A chance of rain showers, mainly in the morning. Chance of rain 30 percent. Highs 55 to 70. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then partly cloudy with a slight chance of snow showers after midnight. Chance of snow 20 percent. Lows 22 to 37. .THURSDAY...Sunny, cooler with highs 41 to 55. Breezy. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Warmer. Lows 15 to 30. Highs 52 to 64. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 23 to 38. Highs 57 to 70. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 29 to 44. Highs 59 to 73. && TEMPERATURE Idaho City 32 67 42 72 $$ = IDZ028-231400- Camas Prairie- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 61 to 66. Light winds, becoming southwest 10 to 15 mph this afternoon. .TONIGHT...Partly cloudy. Lows 37 to 42. West winds 10 to 15 mph in the evening, becoming light after midnight. .TUESDAY...Partly sunny. Highs 66 to 71. Breezy. Light winds in the morning, becoming west 10 to 20 mph with gusts to 30 mph in the afternoon. .TUESDAY NIGHT...Increasing clouds. Lows 40 to 45. Windy. West winds 15 to 25 mph in the evening, becoming northwest around 10 mph after midnight. .WEDNESDAY...Mostly sunny. Highs 66 to 71. Windy. Northwest winds around 10 mph in the morning, increasing to west 15 to 25 mph with gusts to 35 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 31 to 36. Windy. .THURSDAY...Sunny. Much cooler with highs 51 to 56. Windy. .THURSDAY NIGHT AND FRIDAY...Increasing clouds. Lows 24 to 29. Highs 57 to 62. Breezy. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 34 to 39. Highs 64 to 69. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 37 to 42. Highs 67 to 72. && TEMPERATURE Fairfield 31 63 38 69 $$ = IDZ033-231400- Upper Weiser River- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 60 to 67. Light winds. .TONIGHT...Mostly cloudy. Lows 43 to 48. Light winds. .TUESDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 63 to 68. South winds up to 10 mph. Gusts to 20 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of showers. Lows 46 to 51. South winds around 10 mph. .WEDNESDAY...Mostly cloudy with a 30 percent chance of showers. Highs 63 to 68. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain showers in the evening, then partly cloudy after midnight. Chance of rain 20 percent. Much colder with lows 30 to 35. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Cooler. Highs 50 to 55. Lows 27 to 32. .FRIDAY...Mostly sunny. Highs 58 to 63. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 35 to 40. Highs 64 to 69. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 40 to 45. Highs 68 to 73. && TEMPERATURE Council 35 66 44 66 Cambridge 35 67 44 67 $$ = ORZ064-231400- Oregon Lower Treasure Valley- 1232 AM MDT Mon Mar 23 2026 /1132 PM PDT Sun Mar 22 2026/ .TODAY...Mostly cloudy. Highs 62 to 67. Light winds. .TONIGHT...Mostly cloudy. Lows 44 to 49. Light winds. .TUESDAY...Mostly cloudy. A slight chance of showers in the afternoon. Chance of rain 20 percent. Highs 68 to 74. Light winds in the morning, becoming south 10 to 15 mph with gusts to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening. Chance of rain 20 percent. Lows 46 to 51. Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening. .WEDNESDAY...Mostly cloudy. Highs 67 to 72. Breezy. West winds 10 to 20 mph. Gusts to 30 mph in the afternoon. .WEDNESDAY NIGHT...Decreasing clouds. Colder with lows 33 to 38. Windy. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Much cooler. Highs 53 to 58. Lows 29 to 34. Breezy. .FRIDAY...Mostly sunny. Highs 59 to 64. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 36 to 41. Highs 67 to 72. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 40 to 46. Highs 71 to 76. && TEMPERATURE Ontario 35 66 44 72 $$ = IDZ012-231400- Lower Treasure Valley- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 64 to 69. Light winds. .TONIGHT...Increasing clouds. Lows 44 to 49. Light winds. .TUESDAY...Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of rain showers. Highs 70 to 78. Southeast winds up to 10 mph. Gusts to 20 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers in the evening. Chance of rain 20 percent. Lows 47 to 52. Breezy. Southeast winds 10 to 20 mph in the evening, becoming south up to 10 mph after midnight. .WEDNESDAY...Partly cloudy with a 20 percent chance of showers. Highs 69 to 74. South winds up to 10 mph in the morning, shifting to west with gusts to 25 mph in the afternoon. .WEDNESDAY NIGHT...Decreasing clouds. Colder with lows 34 to 39. Windy. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Much cooler. Highs 53 to 58. Lows 29 to 34. Windy. .FRIDAY...Mostly sunny. Highs 61 to 66. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 37 to 42. Highs 68 to 73. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 41 to 46. Highs 72 to 77. && TEMPERATURE Caldwell 37 66 45 76 $$ = IDZ014-231400- Upper Treasure Valley- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 66 to 71. Light winds, becoming northwest around 10 mph this afternoon. .TONIGHT...Increasing clouds. Lows 43 to 48. Northwest winds around 10 mph in the evening, shifting to southeast up to 10 mph after midnight. .TUESDAY...Partly sunny. Warmer with highs 75 to 81. Light winds in the morning, becoming southeast 10 to 15 mph in the afternoon. .TUESDAY NIGHT...Increasing clouds. Lows 46 to 51. Breezy. Southeast winds 10 to 20 mph with gusts to 30 mph in the evening, shifting to west around 10 mph after midnight. .WEDNESDAY...Mostly sunny. Highs 72 to 78. Breezy. Southeast winds around 10 mph in the morning, shifting to northwest 10 to 20 mph with gusts to 30 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Colder with lows 34 to 39. Windy. .THURSDAY...Sunny. Much cooler with highs 53 to 58. Windy. .THURSDAY NIGHT...Partly cloudy. Lows 28 to 33. Breezy. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Highs 63 to 68. Lows 37 to 42. .SATURDAY...Partly sunny. Highs 71 to 76. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 40 to 46. Highs 74 to 79. && TEMPERATURE Boise 38 67 48 76 Mountain Home 37 69 44 78 $$ = IDZ016-231400- Western Magic Valley- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 66 to 71. Light winds, becoming northwest around 10 mph this afternoon. .TONIGHT...Partly cloudy. Lows 41 to 46. West winds around 10 mph in the evening, shifting to southeast after midnight. .TUESDAY...Mostly sunny. Highs 74 to 79. South winds around 10 mph in the morning, shifting to west with gusts to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 46 to 51. Breezy. Southwest winds 10 to 20 mph. .WEDNESDAY...Sunny. Highs 74 to 79. Breezy. West winds 10 to 20 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Much cooler. Lows 35 to 40. Highs 52 to 57. Windy. .THURSDAY NIGHT...Partly cloudy. Lows 27 to 32. Breezy. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Warmer. Highs 63 to 68. Lows 37 to 42. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Highs 71 to 76. Lows 42 to 47. .SUNDAY...Mostly sunny. Highs 73 to 78. && TEMPERATURE Jerome 39 66 44 74 Twin Falls 39 67 45 77 $$ = IDZ029-231400- Owyhee Mountains- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 59 to 65. .TONIGHT...Increasing clouds. Lows 44 to 50. .TUESDAY...Partly sunny. Warmer with highs 71 to 76. Breezy. Gusts to 35 mph in the afternoon. .TUESDAY NIGHT...Increasing clouds. Lows 45 to 51. Windy. West winds around 25 mph with gusts to 35 mph in the evening. .WEDNESDAY...Mostly sunny. Highs 65 to 71. Windy. West winds around 25 mph in the afternoon. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Much cooler. Lows 26 to 35. Highs 46 to 51. Windy. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Highs 54 to 61. Lows 36 to 42. .SATURDAY...Partly sunny. Warmer with highs 63 to 71. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 42 to 47. Highs 67 to 72. $$ = IDZ015-231400- Southwest Highlands- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 64 to 69. .TONIGHT...Partly cloudy. Lows 43 to 48. .TUESDAY...Partly sunny in the morning, then clearing. Warmer with highs 73 to 80. Windy. Southwest winds around 25 mph with gusts to 40 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 42 to 48. Windy. Southwest winds 25 to 30 mph in the evening. .WEDNESDAY...Mostly sunny. Highs 72 to 77. Windy. West winds around 25 mph with gusts to 35 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Colder with lows 31 to 36. Windy. .THURSDAY...Sunny. Much cooler with highs 50 to 55. Windy. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Warmer. Lows 26 to 31. Highs 59 to 65. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 36 to 41. Highs 69 to 74. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 42 to 47. Highs 71 to 76. $$ = IDZ030-231400- Southern Twin Falls County- 1232 AM MDT Mon Mar 23 2026 .TODAY...Mostly cloudy. Highs 65 to 70. .TONIGHT...Partly cloudy. Lows 44 to 49. .TUESDAY...Mostly sunny. Warmer with highs 75 to 80. Breezy. Gusts to 35 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 46 to 51. Breezy. Gusts to 35 mph in the evening. .WEDNESDAY...Sunny. Highs 74 to 79. Windy. West winds around 25 mph in the afternoon. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Much cooler. Lows 33 to 38. Highs 50 to 55. Windy. .THURSDAY NIGHT...Increasing clouds. Lows 27 to 32. Breezy. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Warmer. Highs 61 to 66. Lows 37 to 42. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Warmer. Highs 70 to 75. Lows 43 to 48. .SUNDAY...Mostly sunny. Highs 72 to 77. $$ = ORZ062-231400- Baker County- 1132 PM PDT Sun Mar 22 2026 .TODAY...Mostly cloudy. Highs 60 to 65. Light winds, becoming southeast up to 10 mph this afternoon. .TONIGHT...Mostly cloudy. Lows 37 to 46. Southeast winds up to 10 mph. .TUESDAY...Rain showers likely, mainly in the afternoon. Chance of rain 60 percent. Highs 61 to 68. Breezy. Light winds in the morning, becoming south 10 to 20 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows 41 to 49. Breezy. Southwest winds 10 to 20 mph. .WEDNESDAY...Decreasing clouds. A 30 percent chance of rain showers. Highs 57 to 66. Windy. Southwest winds 10 to 15 mph in the morning, becoming west 15 to 25 mph with gusts to 35 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. A chance of rain and snow showers in the evening. Chance of precipitation 30 percent. Much colder with lows 24 to 33. Windy. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Cooler. Highs 46 to 53. Lows 21 to 31. Breezy. .FRIDAY...Sunny. Not as cool with highs 56 to 63. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 30 to 39. Highs 63 to 69. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 33 to 44. Highs 66 to 72. && TEMPERATURE Baker City 25 65 37 66 $$ = ORZ061-231400- Harney County- 1132 PM PDT Sun Mar 22 2026 .TODAY...Mostly cloudy. Highs 61 to 69. Northeast winds up to 10 mph after midnight, becoming light this morning, then becoming southwest 10 to 15 mph this afternoon. .TONIGHT...Increasing clouds. Lows 38 to 47. Southwest winds 10 to 15 mph. .TUESDAY...Partly sunny. Highs 67 to 76. Windy. Southwest winds 10 to 15 mph in the morning, increasing to 20 to 30 mph with gusts to 40 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 47. Windy. West winds 20 to 30 mph with gusts to 40 mph in the evening, becoming southwest 10 to 20 mph after midnight. .WEDNESDAY...Partly sunny. Highs 61 to 70. Windy. West winds 15 to 25 mph. Gusts to 35 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Much colder with lows 23 to 30. Windy. .THURSDAY...Sunny. Much cooler with highs 48 to 54. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Warmer. Lows 21 to 29. Highs 58 to 65. .FRIDAY NIGHT...Mostly cloudy. Lows 29 to 39. .SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 66 to 74. Lows 32 to 44. && TEMPERATURE Burns 26 66 38 73 $$ = ORZ063-231400- Malheur County- 1232 AM MDT Mon Mar 23 2026 /1132 PM PDT Sun Mar 22 2026/ .TODAY...Mostly cloudy. Highs 61 to 71. Light winds, becoming northeast 10 to 15 mph this afternoon. .TONIGHT...Increasing clouds. Lows 42 to 49. East winds 10 to 15 mph in the evening, shifting to southwest after midnight. .TUESDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs 71 to 81. Windy. Southwest winds 10 to 15 mph in the morning, increasing to 15 to 25 mph with gusts to 40 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 44 to 51. Windy. West winds 15 to 25 mph with gusts to 40 mph in the evening, becoming southwest 10 to 15 mph after midnight. .WEDNESDAY...Partly sunny. Highs 66 to 76. Windy. Southwest winds 10 to 15 mph in the morning, becoming west 15 to 25 mph with gusts to 35 mph in the afternoon. .WEDNESDAY NIGHT...Decreasing clouds. Much colder with lows 28 to 36. Windy. .THURSDAY...Sunny. Much cooler with highs 49 to 56. Breezy. .THURSDAY NIGHT...Partly cloudy. Lows 24 to 32. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Warmer. Highs 56 to 66. Lows 33 to 40. .SATURDAY...Partly sunny. Highs 65 to 74. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 36 to 45. Highs 69 to 75. $$ =