| NWS Forecast for: Challis/Pahsimeroi Valleys Issued by: National Weather Service Pocatello, ID Last Update: 1222 PM MDT Tue May 19 2026 | |
| Tonight: Mostly cloudy with isolated rain showers in the evening...then partly cloudy after midnight. Lows 31 to 38. West winds around 10 mph in the evening...becoming light and variable. Wednesday: Mostly sunny in the morning...then mostly cloudy with isolated rain showers in the afternoon. Highs 57 to 67. Light and variable winds...becoming west around 10 mph in the afternoon. Wednesday Night: Mostly cloudy. Scattered rain showers in the evening...then scattered rain showers and snow showers after midnight. Little or no snow accumulation. Lows 35 to 42. Northwest winds 10 to 15 mph. Thursday: Mostly sunny with isolated rain showers and snow showers. Highs 58 to 68. North winds 10 to 15 mph. Thursday Night: Partly cloudy. Lows 35 to 42. North winds up to 10 mph. Friday And Friday Night: Partly cloudy. Highs 63 to 73. Lows 37 to 44. Saturday: Sunny. Highs 68 to 78. Saturday Night: Partly cloudy. Lows 39 to 46. Sunday: Sunny. Highs 71 to 81. Sunday Night: Partly cloudy. Lows 41 to 49. Memorial Day: Sunny, breezy. Highs 71 to 81. Monday Night: Partly cloudy. Breezy. Lows 39 to 46. Tuesday: Sunny. Highs 65 to 75. | |
| Zone Forecast: Challis/Pahsimeroi Valleys | |
Visit your local NWS office at: https://www.weather.gov/pih |