FPUS55 KBOI 222031 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 230 PM MDT Sat Aug 22 2026 Spot temperatures are for tonight, Sunday, Sunday night, and Monday. IDZ011-230400- West Central Mountains- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Partly cloudy. Scattered showers and thunderstorms this evening. Patchy blowing dust this evening. Patchy fog after midnight. Chance of rain 30 percent. Lows 47 to 59. .SUNDAY...Areas of fog in the morning. Sunny. Highs 72 to 86. .SUNDAY NIGHT...Partly cloudy. Lows 44 to 55. .MONDAY...Mostly sunny. Highs 77 to 90. .MONDAY NIGHT...Partly cloudy. Lows 50 to 62. .TUESDAY...Sunny. Highs 78 to 91. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 51 to 62. Highs 74 to 89. .THURSDAY NIGHT...Partly cloudy. Lows 47 to 57. .FRIDAY...Sunny. Highs 73 to 87. .FRIDAY NIGHT...Increasing clouds. Lows 47 to 57. .SATURDAY...Sunny. Highs 71 to 85. && TEMPERATURE McCall 47 80 42 85 $$ = IDZ013-230400- Boise Mountains- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Patchy smoke this evening. Mostly cloudy with scattered rain showers and thunderstorms this evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 48 to 63. .SUNDAY...Areas of fog in the morning. Sunny. Highs 75 to 89. .SUNDAY NIGHT...Partly cloudy. Lows 43 to 58. .MONDAY...Mostly sunny. Highs 79 to 94. .MONDAY NIGHT...Partly cloudy. Lows 47 to 62. .TUESDAY...Sunny. Highs 79 to 94. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 62. Highs 79 to 94. .THURSDAY...Partly cloudy. A slight chance of rain showers in the morning. Chance of rain 20 percent. Highs 76 to 90. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 43 to 58. Highs 75 to 90. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 43 to 58. Highs 73 to 88. && TEMPERATURE Idaho City 50 88 44 93 $$ = IDZ028-230400- Camas Prairie- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with isolated showers and thunderstorms this evening, then partly cloudy after midnight. Chance of rain 20 percent. Lows 51 to 56. Southeast winds 10 to 15 mph this evening, becoming light after midnight. .SUNDAY...Sunny. Highs 83 to 88. Light winds in the morning, becoming southwest 10 to 15 mph with gusts to 30 mph in the afternoon. .SUNDAY NIGHT...Increasing clouds. Lows 44 to 52. West winds 10 to 15 mph with gusts to 30 mph in the evening, becoming light after midnight. .MONDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs 85 to 90. Light winds in the morning, becoming southeast around 10 mph with gusts to 20 mph in the afternoon. .MONDAY NIGHT...Decreasing clouds. Lows 50 to 55. Southwest winds 10 to 15 mph in the evening, becoming light after midnight. .TUESDAY...Sunny. Highs 86 to 91. .TUESDAY NIGHT...Increasing clouds. Lows 52 to 57. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 86 to 91. Lows 51 to 56. .THURSDAY...Partly cloudy. A slight chance of showers in the morning. Chance of rain 20 percent. Highs 84 to 89. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 47 to 52. Highs 82 to 87. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 46 to 52. Highs 80 to 85. && TEMPERATURE Fairfield 51 86 45 88 $$ = IDZ033-230400- Upper Weiser River- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Areas of blowing dust this evening. Partly cloudy. Lows 60 to 65. South winds up to 10 mph this evening, shifting to northwest after midnight. .SUNDAY...Sunny. Highs 84 to 91. Southwest winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 56 to 62. Southwest winds up to 10 mph in the evening, shifting to north after midnight. .MONDAY...Mostly sunny. Highs 88 to 95. Northeast winds up to 10 mph with gusts to 20 mph in the morning, becoming light in the afternoon. .MONDAY NIGHT...Increasing clouds. Lows 60 to 66. Light winds in the evening, becoming northeast up to 10 mph after midnight. .TUESDAY...Sunny. Highs 90 to 95. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 59 to 68. Highs 85 to 95. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 56 to 62. Highs 85 to 91. .SATURDAY...Sunny. Highs 83 to 89. && TEMPERATURE Council 62 90 59 94 Cambridge 60 90 56 94 $$ = ORZ064-230400- Oregon Lower Treasure Valley- 230 PM MDT Sat Aug 22 2026 /130 PM PDT Sat Aug 22 2026/ .TONIGHT...Patchy blowing dust this evening. Partly cloudy. Lows 63 to 68. West winds 10 to 15 mph with gusts to 25 mph. .SUNDAY...Sunny. Highs 89 to 94. Southwest winds 10 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows 58 to 63. East winds up to 10 mph in the evening, shifting to northwest with gusts to 25 mph after midnight. .MONDAY...Mostly sunny. Highs 91 to 96. Northwest winds up to 10 mph in the morning, becoming light in the afternoon. .MONDAY NIGHT...Increasing clouds. Lows 61 to 67. Light winds. .TUESDAY...Sunny. Highs 93 to 98. .TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 58 to 68. Highs 89 to 98. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 58 to 64. Highs 88 to 93. && TEMPERATURE Ontario 63 92 58 94 $$ = IDZ012-230400- Lower Treasure Valley- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Patchy blowing dust this evening. Partly cloudy. Lows 61 to 66. Southwest winds up to 10 mph with gusts to 20 mph. .SUNDAY...Sunny. Highs 88 to 93. West winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 61. Northwest winds up to 10 mph. .MONDAY...Mostly sunny. Highs 91 to 96. Light winds. .MONDAY NIGHT...Partly cloudy. Lows 60 to 65. Southeast winds up to 10 mph. .TUESDAY...Sunny. Highs 93 to 98. .TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 58 to 68. Highs 88 to 97. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 57 to 62. Highs 86 to 91. && TEMPERATURE Caldwell 61 91 55 93 $$ = IDZ014-230400- Upper Treasure Valley- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Patchy blowing dust this evening. Partly cloudy. Lows 59 to 64. South winds 10 to 15 mph with gusts to 25 mph. .SUNDAY...Sunny. Highs 89 to 94. Northwest winds 10 to 15 mph. .SUNDAY NIGHT...Increasing clouds. Lows 54 to 59. Northwest winds 10 to 15 mph. .MONDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Chance of rain 20 percent. Highs 91 to 96. Northeast winds up to 10 mph in the morning, shifting to southeast in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 59 to 66. Southeast winds up to 10 mph. .TUESDAY...Sunny. Highs 93 to 98. .TUESDAY NIGHT...Decreasing clouds. Lows 61 to 68. .WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 89 to 99. Lows 56 to 65. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 56 to 61. Highs 86 to 91. && TEMPERATURE Boise 64 90 59 93 Mountain Home 61 92 55 95 $$ = IDZ016-230400- Western Magic Valley- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Patchy blowing dust this evening. Mostly cloudy with scattered showers and thunderstorms this evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 61 to 66. Southeast winds 10 to 15 mph with gusts to 25 mph. .SUNDAY...Sunny. Highs 85 to 90. West winds around 10 mph with gusts to 20 mph. .SUNDAY NIGHT...Increasing clouds. Lows 57 to 62. South winds up to 10 mph with gusts to 20 mph. .MONDAY...Cloudy in the morning, then becoming partly sunny. A chance of showers with a slight chance of thunderstorms. Chance of rain 30 percent. Highs 88 to 93. East winds up to 10 mph. .MONDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Chance of rain 20 percent. Lows 58 to 63. Southeast winds around 10 mph. .TUESDAY...Sunny. Highs 89 to 94. .TUESDAY NIGHT...Mostly cloudy. Lows 61 to 66. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 89 to 94. Lows 60 to 65. .THURSDAY...Partly cloudy. A slight chance of showers in the morning. Chance of rain 20 percent. Highs 86 to 91. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows 57 to 62. Highs 83 to 90. && TEMPERATURE Jerome 64 85 61 88 Twin Falls 66 86 62 88 $$ = IDZ029-230400- Owyhee Mountains- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Patchy blowing dust this evening. Partly cloudy. Lows 55 to 65. .SUNDAY...Sunny. Highs 81 to 88. .SUNDAY NIGHT...Mostly cloudy. Lows 54 to 62. .MONDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Chance of rain 20 percent. Highs 84 to 92. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Chance of rain 20 percent. Lows 57 to 65. .TUESDAY...Sunny. Highs 86 to 92. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 57 to 67. Highs 82 to 92. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 53 to 61. Highs 81 to 88. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 54 to 61. Highs 80 to 86. $$ = IDZ015-230400- Southwest Highlands- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Patchy blowing dust this evening. Partly cloudy. Lows 58 to 63. Breezy. .SUNDAY...Mostly sunny. Highs 85 to 90. .SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Chance of rain 20 percent. Lows 56 to 61. .MONDAY...Decreasing clouds. A chance of showers with a slight chance of thunderstorms. Chance of rain 30 percent. Highs 87 to 92. .MONDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 56 to 61. .TUESDAY...Mostly sunny. Highs 87 to 93. .TUESDAY NIGHT...Decreasing clouds. Lows 58 to 63. .WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 85 to 94. Lows 54 to 62. Breezy. .FRIDAY NIGHT...Mostly clear. Lows 54 to 60. Breezy. .SATURDAY...Mostly sunny. Highs 84 to 89. $$ = IDZ030-230400- Southern Twin Falls County- 230 PM MDT Sat Aug 22 2026 .TONIGHT...Patchy blowing dust this evening. Mostly cloudy with scattered showers and thunderstorms this evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 62 to 67. .SUNDAY...Partly cloudy with isolated showers and thunderstorms. Chance of rain 20 percent. Highs 84 to 89. .SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Chance of rain 20 percent. Lows 57 to 62. .MONDAY...Decreasing clouds. A chance of showers with a slight chance of thunderstorms. Chance of rain 40 percent. Highs 87 to 92. .MONDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Chance of rain 30 percent. Lows 58 to 63. .TUESDAY...Mostly sunny. Highs 87 to 92. .TUESDAY NIGHT...Mostly cloudy. Lows 61 to 66. .WEDNESDAY THROUGH SATURDAY...Partly cloudy. Highs 83 to 93. Lows 58 to 65. $$ = ORZ062-230400- Baker County- 130 PM PDT Sat Aug 22 2026 .TONIGHT...Partly cloudy this evening, then clearing. Patchy blowing dust this evening. Cooler with lows 47 to 59. Breezy. West winds 10 to 20 mph with gusts to 30 mph. .SUNDAY...Areas of fog in the morning. Sunny. Highs 81 to 91. West winds up to 10 mph with gusts to 20 mph. .SUNDAY NIGHT...Mostly clear. Lows 42 to 56. Northwest winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Patchy fog in the morning. Mostly sunny. Highs 87 to 95. West winds up to 10 mph in the morning, shifting to east in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 51 to 63. East winds up to 10 mph in the evening, shifting to southwest after midnight. .TUESDAY...Sunny. Highs 88 to 96. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 51 to 65. Highs 87 to 95. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 46 to 59. Highs 82 to 91. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 42 to 56. Highs 82 to 91. .FRIDAY NIGHT...Increasing clouds. Lows 42 to 56. .SATURDAY...Sunny. Highs 80 to 89. && TEMPERATURE Baker City 47 85 42 91 $$ = ORZ061-230400- Harney County- 130 PM PDT Sat Aug 22 2026 .TONIGHT...Decreasing clouds. Patchy blowing dust this evening. Cooler with lows 45 to 55. Breezy. West winds 10 to 20 mph. Gusts to 35 mph this evening, decreasing to 25 mph after midnight. .SUNDAY...Sunny. Highs 77 to 87. West winds up to 10 mph with gusts to 20 mph. .SUNDAY NIGHT...Decreasing clouds. Lows 45 to 55. North winds up to 10 mph with gusts to 20 mph. .MONDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Chance of rain 20 percent. Highs 81 to 91. East winds up to 10 mph. Gusts to 20 mph in the afternoon. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Chance of rain 20 percent. Lows 50 to 59. South winds 10 to 15 mph. Gusts to 25 mph in the evening. .TUESDAY THROUGH FRIDAY...Partly cloudy. Highs 81 to 92. Lows 43 to 58. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 43 to 54. Highs 77 to 87. && TEMPERATURE Burns 45 86 47 91 $$ = ORZ063-230400- Malheur County- 230 PM MDT Sat Aug 22 2026 /130 PM PDT Sat Aug 22 2026/ .TONIGHT...Patchy blowing dust this evening. Partly cloudy. Cooler with lows 54 to 64. Breezy. West winds 10 to 20 mph. Gusts to 30 mph this evening. .SUNDAY...Sunny. Highs 86 to 92. West winds 10 to 15 mph. .SUNDAY NIGHT...Mostly cloudy. Lows 51 to 61. North winds 10 to 15 mph. .MONDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Chance of rain 20 percent. Highs 89 to 94. East winds up to 10 mph with gusts to 20 mph. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Chance of rain 20 percent. Lows 55 to 64. Southeast winds 10 to 15 mph. .TUESDAY...Sunny. Highs 90 to 96. .TUESDAY NIGHT...Increasing clouds. Lows 58 to 67. .WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 86 to 95. Lows 51 to 61. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 51 to 61. Highs 85 to 90. $$ =