| NWS Forecast for: Centennial Mountains/Island Park Issued by: National Weather Service Pocatello, ID Last Update: 1231 PM MDT Fri May 22 2026 |  |
| Tonight: Mostly cloudy. A slight chance of rain in the evening. Lows 31 to 41. Saturday: Sunny, warmer. Highs 65 to 73. Saturday Night: Decreasing clouds. Lows 37 to 47. Sunday: Mostly sunny. Highs 70 to 78. Sunday Night: Partly cloudy. Lows 40 to 50. Memorial Day: Sunny. Highs 72 to 81. Monday Night: Partly cloudy. Lows 41 to 51. Tuesday: Mostly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 63 to 71. Tuesday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 35 to 42. Wednesday: Partly sunny with a chance of rain showers, snow and a slight chance of thunderstorms. Highs 61 to 68. Wednesday Night: Partly cloudy with a chance of rain. Lows 35 to 44. Thursday: Partly sunny with a chance of showers and thunderstorms. Highs 65 to 73. Thursday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 36 to 45. Friday: Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 61 to 69. | |
| Zone Forecast: Centennial Mountains/Island Park | |
Visit your local NWS office at: https://www.weather.gov/pih |