| NWS Forecast for: Challis/Pahsimeroi Valleys Issued by: National Weather Service Pocatello, ID Last Update: 1231 AM MDT Sun Oct 18 2026 |  |
| Today: Mostly sunny. Highs 57 to 66. Light and variable winds... Becoming south up to 10 mph in the afternoon. Tonight: Mostly clear. Lows 32 to 39. South winds up to 10 mph. Monday: Sunny. Highs 57 to 67. Southeast winds up to 10 mph... Increasing to 10 to 15 mph in the afternoon. Monday Night: Partly cloudy. Lows 35 to 42. Southeast winds up to 10 mph. Tuesday: Partly sunny with a slight chance of rain. Highs 55 to 65. Light and variable winds. Tuesday Night And Wednesday: Partly cloudy. A slight chance of rain. Lows 35 to 42. Highs 56 to 66. Wednesday Night: Partly cloudy with a chance of rain. Lows 37 to 44. Thursday: Mostly cloudy with a chance of rain. Highs 54 to 64. Thursday Night: Rain. Lows 36 to 43. Friday: Rain likely. Highs 44 to 54. Friday Night: Partly cloudy with a slight chance of rain and snow. Lows 29 to 36. Saturday: Mostly sunny. Highs 43 to 52. | |
| Zone Forecast: Challis/Pahsimeroi Valleys | |
Visit your local NWS office at: https://www.weather.gov/pih |