FPUS55 KBOI 270637 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 1237 AM MDT Mon Apr 27 2026 Forecast Updated. Spot temperatures are for .SUNDAY THROUGH SUNDAY..., Monday, Monday night, and Tuesday. IDZ011-271400- West Central Mountains- 1237 AM MDT Mon Apr 27 2026 .TODAY...Partly cloudy after midnight, then partly cloudy with scattered snow showers this morning. Partly cloudy with scattered snow showers, isolated rain showers and thunderstorms this afternoon. Patchy fog this morning. Chance of precipitation 30 percent. Highs 40 to 55. .TONIGHT...Partly cloudy. A chance of rain and snow showers in the evening. Areas of fog after midnight. Chance of precipitation 30 percent. Lows 25 to 35. .TUESDAY...Areas of fog in the morning. Mostly sunny. Highs 44 to 59. .TUESDAY NIGHT...Decreasing clouds. Lows 31 to 41. .WEDNESDAY...Mostly sunny. Highs 48 to 63. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Patchy fog through the day. Lows 30 to 41. Highs 54 to 69. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 35 to 44. Highs 58 to 71. .FRIDAY NIGHT...Partly cloudy. Lows 37 to 47. .SATURDAY...Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 61 to 73. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 39 to 49. .SUNDAY...Partly cloudy. A slight chance of rain showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Chance of rain 40 percent. Highs 61 to 74. && TEMPERATURE McCall 24 50 25 54 $$ = IDZ013-271400- Boise Mountains- 1237 AM MDT Mon Apr 27 2026 .TODAY...Patchy fog. Mostly sunny, then isolated snow showers this afternoon. Chance of snow 20 percent. Highs 42 to 57. .TONIGHT...Partly cloudy with a slight chance of snow showers in the evening, then mostly clear after midnight. Patchy fog after midnight. Chance of snow 20 percent. Lows 18 to 33. .TUESDAY...Areas of fog in the morning. Sunny. Highs 47 to 62. .TUESDAY NIGHT...Partly cloudy. Lows 24 to 39. .WEDNESDAY...Mostly sunny. Highs 52 to 67. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 27 to 42. Highs 58 to 73. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 31 to 46. Highs 63 to 78. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 33 to 48. .SUNDAY...Partly cloudy. A chance of rain showers, mainly in the afternoon. Chance of rain 40 percent. Highs 63 to 77. && TEMPERATURE Idaho City 26 56 28 61 $$ = IDZ028-271400- Camas Prairie- 1237 AM MDT Mon Apr 27 2026 .TODAY...Increasing clouds. Highs 50 to 55. Breezy. West winds 10 to 20 mph. Gusts to 30 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows 24 to 29. Breezy. West winds 10 to 20 mph. Gusts to 30 mph in the evening. .TUESDAY...Sunny. Highs 54 to 59. Breezy. West winds 10 to 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows 28 to 33. Breezy. West winds 10 to 20 mph in the evening, decreasing to around 10 mph after midnight. .WEDNESDAY...Mostly sunny. Highs 58 to 63. Light winds in the morning, becoming west 10 to 15 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 31 to 36. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 62 to 71. Lows 35 to 40. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 38 to 43. Highs 70 to 75. .SATURDAY NIGHT...Mostly cloudy. Lows 42 to 47. .SUNDAY...Partly cloudy. A slight chance of rain showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Highs 70 to 75. && TEMPERATURE Fairfield 25 53 24 56 $$ = IDZ033-271400- Upper Weiser River- 1237 AM MDT Mon Apr 27 2026 .TODAY...Increasing clouds. Highs 54 to 60. Northwest winds up to 10 mph. .TONIGHT...Partly cloudy with a slight chance of rain showers in the evening, then mostly clear after midnight. Chance of rain 20 percent. Lows 32 to 37. North winds up to 10 mph. .TUESDAY...Patchy fog in the morning. Sunny. Highs 58 to 64. Light winds in the morning, becoming southwest around 10 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 38 to 43. Light winds in the evening, becoming north up to 10 mph after midnight. .WEDNESDAY...Mostly sunny. Highs 62 to 69. North winds up to 10 mph. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 38 to 48. Highs 67 to 73. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 70 to 77. Lows 45 to 50. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows 48 to 53. .SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Chance of rain 20 percent. Highs 72 to 78. && TEMPERATURE Council 32 59 34 63 Cambridge 30 60 33 64 $$ = ORZ064-271400- Oregon Lower Treasure Valley- 1237 AM MDT Mon Apr 27 2026 /1137 PM PDT Sun Apr 26 2026/ .TODAY...Increasing clouds. Highs 58 to 63. Northwest winds up to 10 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows 34 to 39. Northwest winds up to 10 mph. .TUESDAY...Patchy fog in the morning. Sunny. Highs 64 to 69. West winds up to 10 mph in the morning, shifting to south in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 39 to 44. Southeast winds up to 10 mph in the evening, shifting to northwest after midnight. .WEDNESDAY...Mostly sunny. Highs 67 to 72. North winds up to 10 mph. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 40 to 49. Highs 71 to 76. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 74 to 80. Lows 47 to 52. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 49 to 54. Highs 75 to 80. && TEMPERATURE Ontario 32 62 35 67 $$ = IDZ012-271400- Lower Treasure Valley- 1237 AM MDT Mon Apr 27 2026 .TODAY...Increasing clouds. Highs 58 to 63. Northwest winds 10 to 15 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Patchy fog after midnight. Lows 34 to 39. Northwest winds up to 10 mph with gusts to 20 mph. .TUESDAY...Patchy fog in the morning. Sunny. Highs 63 to 68. Northwest winds up to 10 mph. Gusts to 20 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 39 to 44. East winds up to 10 mph. .WEDNESDAY...Mostly sunny. Highs 67 to 72. Northwest winds up to 10 mph. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 40 to 49. Highs 71 to 80. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 46 to 51. Highs 76 to 81. .SATURDAY NIGHT...Mostly cloudy. Lows 49 to 54. .SUNDAY...Partly cloudy. A slight chance of showers in the afternoon. Chance of rain 20 percent. Highs 76 to 81. && TEMPERATURE Caldwell 33 61 36 66 $$ = IDZ014-271400- Upper Treasure Valley- 1237 AM MDT Mon Apr 27 2026 .TODAY...Mostly clear. Highs 58 to 63. Breezy. Northwest winds 10 to 20 mph. Gusts to 35 mph. .TONIGHT...Decreasing clouds. Lows 32 to 37. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph in the evening, becoming west up to 10 mph after midnight. .TUESDAY...Sunny. Highs 63 to 68. Northwest winds 10 to 15 mph. Gusts to 25 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 36 to 41. North winds 10 to 15 mph with gusts to 25 mph in the evening, shifting to east after midnight. .WEDNESDAY...Mostly sunny. Highs 68 to 73. East winds up to 10 mph in the morning, shifting to northwest around 10 mph in the afternoon. Gusts to 20 mph. .WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 38 to 47. Highs 72 to 81. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 44 to 50. Highs 78 to 83. .SATURDAY NIGHT...Mostly cloudy. Lows 48 to 53. .SUNDAY...Partly cloudy. A chance of showers in the afternoon. Chance of rain 30 percent. Highs 77 to 82. && TEMPERATURE Boise 34 60 37 65 Mountain Home 30 62 32 66 $$ = IDZ016-271400- Western Magic Valley- 1237 AM MDT Mon Apr 27 2026 .TODAY...Mostly clear. Highs 56 to 61. Breezy. West winds 10 to 20 mph. Gusts to 35 mph. .TONIGHT...Mostly clear. Lows 31 to 36. Breezy. West winds 10 to 20 mph. Gusts to 35 mph in the evening. .TUESDAY...Sunny. Highs 59 to 64. West winds 10 to 15 mph with gusts to 25 mph. .TUESDAY NIGHT...Increasing clouds. Lows 33 to 38. West winds 10 to 15 mph with gusts to 25 mph in the evening, shifting to south after midnight. .WEDNESDAY...Mostly sunny. Highs 64 to 69. East winds up to 10 mph in the morning, shifting to northwest around 10 mph in the afternoon. Gusts to 20 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 37 to 42. .THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 68 to 77. Lows 39 to 48. .SATURDAY...Mostly sunny. Highs 77 to 82. .SATURDAY NIGHT...Mostly cloudy. Lows 46 to 51. .SUNDAY...Partly cloudy. A chance of showers in the afternoon. Chance of rain 30 percent. Highs 76 to 81. && TEMPERATURE Jerome 32 57 33 59 Twin Falls 35 57 35 59 $$ = IDZ029-271400- Owyhee Mountains- 1237 AM MDT Mon Apr 27 2026 .TODAY...Increasing clouds. Highs 50 to 55. .TONIGHT...Partly cloudy in the evening, then clearing. Patchy fog after midnight. Lows 30 to 37. .TUESDAY...Patchy fog in the morning. Sunny. Highs 55 to 60. .TUESDAY NIGHT...Partly cloudy. Lows 35 to 42. .WEDNESDAY...Mostly sunny. Highs 58 to 65. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 36 to 46. Highs 63 to 69. .FRIDAY...Sunny. Highs 69 to 74. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 44 to 50. Highs 69 to 75. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 46 to 52. .SUNDAY...Partly cloudy. A slight chance of rain showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Chance of rain 40 percent. Highs 69 to 74. $$ = IDZ015-271400- Southwest Highlands- 1237 AM MDT Mon Apr 27 2026 .TODAY...Increasing clouds. Highs 51 to 59. Breezy. .TONIGHT...Partly cloudy in the evening, then clearing. Lows 28 to 34. .TUESDAY...Sunny. Highs 55 to 63. .TUESDAY NIGHT...Partly cloudy. Lows 33 to 38. .WEDNESDAY...Mostly sunny. Highs 60 to 68. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 35 to 40. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 65 to 75. Lows 37 to 43. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 42 to 47. Highs 73 to 80. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .SUNDAY...Mostly cloudy in the morning, then partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Chance of rain 40 percent. Highs 70 to 77. $$ = IDZ030-271400- Southern Twin Falls County- 1237 AM MDT Mon Apr 27 2026 .TODAY...Mostly clear. Highs 53 to 58. .TONIGHT...Mostly clear. Lows 29 to 34. .TUESDAY...Sunny. Highs 56 to 61. .TUESDAY NIGHT...Partly cloudy. Lows 34 to 39. .WEDNESDAY...Mostly sunny. Highs 61 to 66. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 36 to 41. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 65 to 75. Lows 39 to 44. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 43 to 48. Highs 74 to 79. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain showers in the evening. Chance of rain 20 percent. Lows 46 to 51. .SUNDAY...Partly cloudy. A slight chance of rain showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Highs 73 to 78. $$ = ORZ062-271400- Baker County- 1137 PM PDT Sun Apr 26 2026 .TODAY...Mostly clear after midnight, then partly cloudy with scattered rain and snow showers this morning. Partly cloudy with scattered rain and snow showers, and isolated thunderstorms this afternoon. Chance of precipitation 30 percent. Highs 51 to 59. Northwest winds up to 10 mph with gusts to 20 mph. .TONIGHT...Partly cloudy with a slight chance of rain showers in the evening, then mostly clear after midnight. Areas of fog after midnight. Chance of rain 20 percent. Lows 28 to 35. Northwest winds up to 10 mph with gusts to 20 mph. .TUESDAY...Areas of fog in the morning. Mostly sunny. Highs 58 to 65. Southwest winds up to 10 mph. .TUESDAY NIGHT...Decreasing clouds. Lows 32 to 42. Southeast winds up to 10 mph in the evening, becoming light after midnight. .WEDNESDAY...Mostly sunny. Highs 60 to 68. North winds up to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 33 to 42. Highs 66 to 72. .THURSDAY NIGHT...Increasing clouds. Lows 37 to 47. .FRIDAY...Sunny. Highs 69 to 76. .FRIDAY NIGHT...Partly cloudy. Lows 39 to 49. .SATURDAY...Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 68 to 76. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain showers in the evening. Chance of rain 20 percent. Lows 41 to 50. .SUNDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Chance of rain 20 percent. Highs 69 to 77. && TEMPERATURE Baker City 25 55 28 63 $$ = ORZ061-271400- Harney County- 1137 PM PDT Sun Apr 26 2026 .TODAY...Increasing clouds. Highs 53 to 58. Northwest winds 10 to 15 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows 27 to 34. Northwest winds 10 to 15 mph. .TUESDAY...Mostly sunny. Highs 58 to 64. West winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 31 to 38. Northwest winds up to 10 mph. .WEDNESDAY...Sunny. Highs 62 to 67. North winds up to 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 33 to 40. Highs 66 to 72. .THURSDAY NIGHT...Partly cloudy. Lows 35 to 44. .FRIDAY...Sunny. Highs 70 to 76. .FRIDAY NIGHT...Partly cloudy. Lows 38 to 46. .SATURDAY...Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 70 to 77. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain showers in the evening. Chance of rain 20 percent. Lows 40 to 47. .SUNDAY...Partly cloudy. A chance of rain showers, mainly in the afternoon. Chance of rain 30 percent. Highs 68 to 75. && TEMPERATURE Burns 24 57 27 63 $$ = ORZ063-271400- Malheur County- 1237 AM MDT Mon Apr 27 2026 /1137 PM PDT Sun Apr 26 2026/ .TODAY...Mostly sunny, then isolated rain showers and thunderstorms this afternoon. Chance of rain 20 percent. Highs 54 to 60. Northwest winds 10 to 15 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Lows 29 to 38. North winds 10 to 15 mph in the evening, shifting to southwest after midnight. .TUESDAY...Patchy fog in the morning. Sunny. Highs 59 to 66. Southwest winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 34 to 43. East winds up to 10 mph. .WEDNESDAY...Mostly sunny. Highs 63 to 70. North winds up to 10 mph. Gusts to 20 mph in the afternoon. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 35 to 44. Highs 67 to 74. .THURSDAY NIGHT...Increasing clouds. Lows 37 to 47. .FRIDAY...Sunny. Highs 72 to 78. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 41 to 51. Highs 72 to 80. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain showers in the evening. Chance of rain 20 percent. Lows 44 to 52. .SUNDAY...Partly cloudy. A chance of rain showers in the afternoon. Chance of rain 30 percent. Highs 72 to 78. $$ =