| NWS Forecast for: Centennial Mountains/Island Park Issued by: National Weather Service Pocatello, ID Last Update: 1232 PM MDT Tue Aug 4 2026 |  |
| Tonight: Mostly clear. Areas of smoke. Lows 42 to 52. Wednesday: Sunny. Patchy smoke. Highs 76 to 84. Wednesday Night: Mostly clear. Patchy smoke. Lows 45 to 55. Thursday: Sunny, warmer. Patchy smoke. Highs 83 to 92. Thursday Night: Mostly clear. Lows 49 to 59. Friday: Sunny. Highs 86 to 94. Friday Night: Mostly clear. Lows 50 to 60. Saturday: Sunny. Highs 86 to 94. Saturday Night: Partly cloudy. Lows 52 to 62. Sunday: Sunny. Highs 85 to 93. Sunday Night: Partly cloudy. Lows 51 to 61. Monday: Sunny. Highs 84 to 92. Monday Night: Partly cloudy. Lows 52 to 62. Tuesday: Sunny. Highs 82 to 90. | |
| Zone Forecast: Centennial Mountains/Island Park | |
Visit your local NWS office at: https://www.weather.gov/pih |