FPUS55 KBOI 212031 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 230 PM MDT Sun Jun 21 2026 Spot temperatures are for tonight, Monday, Monday night, and Tuesday. IDZ011-220400- West Central Mountains- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly clear. Lows 42 to 52. .MONDAY...Sunny. Highs 69 to 82. .MONDAY NIGHT...Mostly clear. Lows 43 to 54. .TUESDAY...Sunny. Highs 73 to 87. .TUESDAY NIGHT...Increasing clouds. Lows 47 to 57. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 74 to 89. Lows 49 to 58. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 73 to 87. Lows 47 to 57. .FRIDAY...Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 40 percent. Cooler with highs 59 to 73. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Rain showers likely. Areas of fog after midnight. Chance of rain 70 percent. Lows 40 to 49. .SATURDAY...Areas of fog in the morning. Rain showers in the morning, then rain showers likely with a slight chance of thunderstorms in the afternoon. Chance of rain 80 percent. Cooler with highs 49 to 63. .SATURDAY NIGHT...Decreasing clouds. A chance of rain showers. A slight chance of thunderstorms in the evening, then a chance of snow showers after midnight. Areas of fog after midnight. Chance of precipitation 30 percent. Lows 33 to 43. .SUNDAY...Areas of fog in the morning. Partly cloudy with a chance of rain and snow showers. A slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs 50 to 64. && TEMPERATURE McCall 43 76 43 80 $$ = IDZ013-220400- Boise Mountains- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly clear. Lows 38 to 53. .MONDAY...Sunny. Highs 72 to 86. .MONDAY NIGHT...Mostly clear. Lows 39 to 54. .TUESDAY...Sunny. Highs 76 to 90. .TUESDAY NIGHT...Increasing clouds. Lows 43 to 58. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 77 to 92. Lows 45 to 60. .THURSDAY NIGHT...Partly cloudy. Lows 44 to 59. .FRIDAY...Partly cloudy. A chance of rain showers, mainly in the afternoon. Chance of rain 30 percent. Not as warm with highs 64 to 79. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms. Areas of fog through the day. Chance of rain 30 percent. Cooler. Lows 36 to 51. Highs 54 to 69. .SATURDAY NIGHT...Decreasing clouds. A slight chance of thunderstorms in the evening. A slight chance of rain showers. Areas of fog after midnight. Chance of rain 20 percent. Lows 27 to 42. .SUNDAY...A chance of snow showers in the morning. Areas of fog in the morning. Partly cloudy with a chance of rain showers. Chance of precipitation 30 percent. Highs 53 to 68. && TEMPERATURE Idaho City 43 84 44 89 $$ = IDZ028-220400- Camas Prairie- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Clear. Lows 42 to 48. Breezy. Northwest winds 10 to 20 mph. Gusts to 30 mph this evening. .MONDAY...Sunny. Highs 78 to 83. Breezy. West winds 10 to 20 mph. Gusts to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 43 to 49. Breezy. Northwest winds 10 to 20 mph. Gusts to 30 mph in the evening. .TUESDAY...Sunny. Highs 82 to 87. Light winds in the morning, becoming southwest around 10 mph with gusts to 20 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 49 to 54. Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening. .WEDNESDAY...Sunny. Highs 84 to 89. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 49 to 54. Highs 82 to 87. Breezy. .THURSDAY NIGHT AND FRIDAY...Increasing clouds. Lows 49 to 54. Highs 74 to 79. Breezy. .FRIDAY NIGHT...Partly cloudy. A slight chance of rain showers after midnight. Chance of rain 20 percent. Cooler with lows 40 to 45. Windy. .SATURDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 20 percent. Cooler with highs 61 to 66. Windy. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 31 to 36. Highs 60 to 65. Windy. && TEMPERATURE Fairfield 42 81 43 85 $$ = IDZ033-220400- Upper Weiser River- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly clear. Lows 52 to 57. North winds 10 to 15 mph. .MONDAY...Sunny. Highs 82 to 88. North winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 53 to 58. North winds 10 to 15 mph. .TUESDAY...Sunny. Highs 86 to 92. Northeast winds up to 10 mph in the morning, becoming light in the afternoon. .TUESDAY NIGHT...Increasing clouds. Lows 57 to 62. Light winds in the evening, becoming north 10 to 15 mph after midnight. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 87 to 94. Lows 59 to 64. .THURSDAY NIGHT...Increasing clouds. Lows 56 to 61. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Chance of rain 30 percent. Not as warm. Highs 73 to 78. Lows 49 to 54. .SATURDAY...Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Highs 65 to 71. .SATURDAY NIGHT...Decreasing clouds. A slight chance of thunderstorms in the evening. A slight chance of rain showers. Chance of rain 20 percent. Lows 42 to 47. .SUNDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. && TEMPERATURE Council 54 86 55 91 Cambridge 52 87 53 91 $$ = ORZ064-220400- Oregon Lower Treasure Valley- 230 PM MDT Sun Jun 21 2026 /130 PM PDT Sun Jun 21 2026/ .TONIGHT...Clear. Lows 56 to 61. North winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Sunny. Highs 87 to 92. North winds around 10 mph with gusts to 20 mph. .MONDAY NIGHT...Mostly clear. Lows 57 to 62. North winds around 10 mph. .TUESDAY...Sunny. Highs 90 to 95. North winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 62 to 67. Light winds in the evening, becoming northwest 10 to 15 mph after midnight. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 92 to 98. Lows 63 to 68. .THURSDAY NIGHT...Increasing clouds. Lows 60 to 65. Breezy. .FRIDAY...Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Not as warm with highs 77 to 82. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers in the evening. Chance of rain 20 percent. Lows 52 to 57. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs 70 to 76. Lows 46 to 51. Breezy. && TEMPERATURE Ontario 57 90 57 94 $$ = IDZ012-220400- Lower Treasure Valley- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Clear. Lows 53 to 58. Northwest winds up to 10 mph with gusts to 20 mph. .MONDAY...Sunny. Highs 86 to 91. Northwest winds 10 to 15 mph with gusts to 25 mph. .MONDAY NIGHT...Mostly clear. Lows 54 to 59. Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening. .TUESDAY...Sunny. Highs 90 to 95. Light winds. .TUESDAY NIGHT...Mostly clear. Lows 59 to 64. North winds up to 10 mph. .WEDNESDAY...Sunny. Highs 92 to 97. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 61 to 66. Highs 92 to 97. .THURSDAY NIGHT...Partly cloudy. Lows 59 to 64. .FRIDAY...Partly cloudy. A chance of showers, mainly in the morning. Chance of rain 30 percent. Not as warm with highs 78 to 83. .FRIDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Chance of rain 30 percent. Lows 50 to 55. .SATURDAY...Partly cloudy. A slight chance of showers in the morning. Chance of rain 20 percent. Highs 69 to 74. Breezy. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 44 to 49. Highs 70 to 75. && TEMPERATURE Caldwell 54 88 54 92 $$ = IDZ014-220400- Upper Treasure Valley- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Clear. Lows 52 to 57. Northwest winds 10 to 15 mph. .MONDAY...Sunny. Highs 87 to 92. Northwest winds 10 to 15 mph with gusts to 25 mph. .MONDAY NIGHT...Mostly clear. Lows 53 to 58. North winds 10 to 15 mph. Gusts to 25 mph in the evening. .TUESDAY...Sunny. Highs 91 to 96. East winds up to 10 mph in the morning, shifting to northwest around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 58 to 63. Northwest winds up to 10 mph. .WEDNESDAY...Sunny. Highs 93 to 98. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 59 to 64. Highs 93 to 98. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Not as warm. Lows 59 to 64. Highs 81 to 86. Breezy. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows 49 to 54. Breezy. .SATURDAY...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Chance of rain 20 percent. Not as warm with highs 70 to 75. Windy. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 42 to 47. Highs 70 to 75. Windy. && TEMPERATURE Boise 54 89 56 93 Mountain Home 53 90 55 95 $$ = IDZ016-220400- Western Magic Valley- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Clear. Lows 51 to 57. West winds 10 to 15 mph. .MONDAY...Sunny. Highs 85 to 90. Breezy. West winds 10 to 20 mph. Gusts to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 52 to 57. Northwest winds 10 to 15 mph with gusts to 25 mph in the evening, shifting to south after midnight. .TUESDAY...Sunny. Highs 89 to 94. Northeast winds up to 10 mph with gusts to 20 mph. .TUESDAY NIGHT...Mostly clear. Lows 57 to 62. Northwest winds around 10 mph in the evening, shifting to southeast up to 10 mph after midnight. .WEDNESDAY...Sunny. Highs 90 to 95. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 57 to 62. Highs 90 to 95. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 81 to 86. Lows 49 to 54. Windy. .SATURDAY...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Chance of rain 20 percent. Cooler with highs 67 to 72. Windy. .SATURDAY NIGHT...Mostly clear. Lows 41 to 46. Windy. .SUNDAY...Sunny. Highs 66 to 71. Windy. && TEMPERATURE Jerome 54 85 55 89 Twin Falls 57 86 57 90 $$ = IDZ029-220400- Owyhee Mountains- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly clear. Lows 47 to 56. .MONDAY...Sunny. Highs 78 to 84. .MONDAY NIGHT...Mostly clear. Lows 49 to 58. .TUESDAY...Sunny. Highs 83 to 89. .TUESDAY NIGHT...Mostly clear. Lows 52 to 62. .WEDNESDAY...Sunny. Highs 84 to 90. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 54 to 64. Highs 85 to 91. .THURSDAY NIGHT...Partly cloudy. Lows 53 to 62. .FRIDAY...Partly cloudy. A slight chance of showers in the afternoon. Chance of rain 20 percent. Not as warm with highs 72 to 79. .FRIDAY 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. Cooler with lows 42 to 52. Breezy. .SATURDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 20 percent. Cooler with highs 62 to 68. Breezy. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 35 to 45. Highs 64 to 69. Breezy. $$ = IDZ015-220400- Southwest Highlands- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly clear. Lows 49 to 54. .MONDAY...Sunny. Highs 82 to 88. .MONDAY NIGHT...Mostly clear. Lows 50 to 56. Breezy. .TUESDAY...Sunny. Highs 87 to 92. .TUESDAY NIGHT...Mostly clear. Lows 54 to 60. .WEDNESDAY...Sunny. Highs 88 to 93. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 55 to 60. Highs 89 to 95. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 55 to 61. Highs 81 to 86. Breezy. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Cooler with lows 45 to 50. Breezy. .SATURDAY...Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Cooler with highs 67 to 72. Breezy. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 36 to 43. Highs 66 to 71. Breezy. $$ = IDZ030-220400- Southern Twin Falls County- 230 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly clear. Lows 52 to 57. .MONDAY...Sunny. Highs 82 to 87. .MONDAY NIGHT...Increasing clouds. Lows 53 to 58. .TUESDAY...Sunny. Highs 87 to 92. .TUESDAY NIGHT...Mostly clear. Lows 58 to 63. .WEDNESDAY...Sunny. Highs 88 to 93. .WEDNESDAY NIGHT...Mostly clear. Lows 57 to 62. .THURSDAY...Sunny. Highs 90 to 95. .THURSDAY NIGHT...Mostly clear. Lows 57 to 62. Breezy. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 82 to 87. Lows 48 to 53. Windy. .SATURDAY...Partly cloudy with a chance of rain showers. A chance of thunderstorms in the afternoon. Chance of rain 30 percent. Much cooler with highs 68 to 73. Windy. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 39 to 44. Highs 65 to 70. Windy. $$ = ORZ062-220400- Baker County- 130 PM PDT Sun Jun 21 2026 .TONIGHT...Clear. Lows 43 to 53. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph. .MONDAY...Sunny. Highs 79 to 87. Northwest winds 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows 45 to 55. North winds 10 to 15 mph. Gusts to 30 mph in the evening. .TUESDAY...Sunny. Highs 83 to 92. Light winds. .TUESDAY NIGHT...Decreasing clouds. Lows 48 to 58. Northwest winds 10 to 15 mph with gusts to 25 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 84 to 94. Lows 50 to 61. .THURSDAY...Mostly sunny. Highs 83 to 93. .THURSDAY NIGHT...Increasing clouds. Lows 47 to 58. Breezy. .FRIDAY...A chance of rain showers in the morning, then rain showers likely with a slight chance of thunderstorms in the afternoon. Chance of rain 60 percent. Much cooler with highs 67 to 76. .FRIDAY NIGHT...Decreasing clouds. A slight chance of thunderstorms in the evening. A chance of rain showers. Areas of fog after midnight. Chance of rain 30 percent. Lows 40 to 51. .SATURDAY...Areas of fog in the morning. Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Highs 59 to 69. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A 20 percent chance of rain showers. Areas of fog through the day. Lows 35 to 46. Highs 62 to 70. && TEMPERATURE Baker City 43 83 45 87 $$ = ORZ061-220400- Harney County- 130 PM PDT Sun Jun 21 2026 .TONIGHT...Mostly clear. Lows 43 to 51. North winds up to 10 mph with gusts to 20 mph. .MONDAY...Sunny. Highs 77 to 87. North winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 46 to 55. Northeast winds up to 10 mph with gusts to 20 mph. .TUESDAY...Sunny. Highs 81 to 91. East winds up to 10 mph. .TUESDAY NIGHT...Decreasing clouds. Lows 49 to 57. Northwest winds 10 to 15 mph. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 81 to 91. Lows 48 to 56. .THURSDAY NIGHT...Increasing clouds. Lows 46 to 55. Breezy. .FRIDAY...Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Chance of rain 30 percent. Not as warm with highs 68 to 78. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of rain showers. Chance of rain 20 percent. Lows 37 to 46. Breezy. .SATURDAY...Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Cooler with highs 59 to 68. Breezy. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Patchy fog through the day. Lows 31 to 39. Highs 61 to 70. Breezy. && TEMPERATURE Burns 43 85 47 90 $$ = ORZ063-220400- Malheur County- 230 PM MDT Sun Jun 21 2026 /130 PM PDT Sun Jun 21 2026/ .TONIGHT...Mostly clear. Lows 48 to 58. North winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Sunny. Highs 83 to 89. North winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 49 to 59. North winds up to 10 mph with gusts to 20 mph. .TUESDAY...Sunny. Highs 88 to 94. Northeast winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 53 to 63. North winds 10 to 15 mph. .WEDNESDAY...Sunny. Highs 89 to 95. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 54 to 64. Highs 88 to 94. .THURSDAY NIGHT...Partly cloudy. Lows 52 to 62. .FRIDAY...Partly cloudy. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Chance of rain 50 percent. Not as warm with highs 74 to 83. Breezy. .FRIDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. Chance of rain 30 percent. Cooler with lows 42 to 52. Breezy. .SATURDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 20 percent. Cooler with highs 66 to 72. Breezy. .SATURDAY NIGHT...Mostly clear. Lows 35 to 45. Breezy. .SUNDAY...Patchy fog in the morning. Sunny. Highs 67 to 74. $$ =