| NWS Forecast for: Centennial Mountains/Island Park Issued by: National Weather Service Pocatello, ID Last Update: 109 PM MST Thu Jan 22 2026 |  |
| Tonight: Mostly cloudy. Lows 8 to 18. Friday: Mostly sunny. A slight chance of snow in the morning. Highs 20 to 29. Friday Night: Mostly clear. Colder. Lows 3 below to 7 above zero. Wind chill readings 10 below to 20 below zero. Saturday: Mostly sunny. Highs 18 to 25. Saturday Night: Partly cloudy. Lows 1 below to 9 above zero. Sunday: Sunny. Highs 19 to 26. Sunday Night And Monday: Partly cloudy. Lows 1 to 11. Highs 23 to 30. Monday Night: Mostly cloudy. Lows 7 to 17. Tuesday And Tuesday Night: Partly cloudy. Highs 26 to 33. Lows 9 to 19. Wednesday Through Thursday: Mostly cloudy with a slight chance of snow. Highs 30 to 38. Lows 13 to 23. | |
| Zone Forecast: Centennial Mountains/Island Park | |
Visit your local NWS office at: https://www.weather.gov/pih |