Expires:202601072300;;930333 FPUS55 KPIH 070829 ZFPPIH Zone Forecast Product FOR Idaho National Weather Service Pocatello ID 129 AM MST Wed Jan 7 2026 This forecast may not be representative of the exact location you are interested in. For a site-specific forecast, please visit weather.gov/Pocatello and click the map on the main page. IDZ068-070-072300- Lost River Valley-Challis/Pahsimeroi Valleys- Including Howe, Arco, Mackay, Chilly, and Challis 129 AM MST Wed Jan 7 2026 .TODAY...Partly sunny. A chance of snow in the morning. Snow accumulation up to 2 inches. Highs 30 to 40. Southwest winds 10 to 15 mph. .TONIGHT...Mostly cloudy with a slight chance of snow. Colder. Lows 10 to 19. West winds up to 10 mph. .THURSDAY...Mostly sunny with a slight chance of snow. Highs 21 to 31. Northwest winds 10 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows 6 to 14. West winds 10 to 15 mph. .FRIDAY...Mostly sunny. Highs 23 to 33. West winds around 10 mph. .FRIDAY NIGHT...Mostly clear. Lows 10 to 17. .SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 30 to 40. Lows 13 to 20. .SUNDAY NIGHT...Mostly clear. Lows 15 to 22. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 34 to 42. Lows 17 to 25. .TUESDAY...Partly sunny. Highs 36 to 43. $$