| NWS Forecast for: Challis/Pahsimeroi Valleys Issued by: National Weather Service Pocatello, ID Last Update: 231 AM MDT Wed Aug 19 2026 |  |
| Today: Sunny. Highs 79 to 89. Light and variable winds... Becoming west around 10 mph in the afternoon. Tonight: Mostly clear. Lows 52 to 61. Northwest winds up to 10 mph in the evening...becoming light and variable. Thursday: Sunny. Highs 83 to 93. Light and variable winds... Becoming southwest around 10 mph in the afternoon. Thursday Night: Partly cloudy. Lows 56 to 64. West winds up to 10 mph. Friday: Mostly sunny. Highs 84 to 94. Southeast winds up to 10 mph. Friday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 56 to 64. Saturday: Rain showers likely and a chance of thunderstorms. Highs 76 to 86. Saturday Night And Sunday: Partly cloudy. A slight chance of showers and thunderstorms. Lows 51 to 59. Highs 75 to 85. Sunday Night: Partly cloudy. Lows 49 to 57. Monday: Mostly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 74 to 84. Monday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 50 to 58. Tuesday: Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 73 to 83. | |
| Zone Forecast: Challis/Pahsimeroi Valleys | |
Visit your local NWS office at: https://www.weather.gov/pih |