7-Day Zone Forecast for Centennial Mountains/Island Park (Text-Only)
NWS Forecast for: Centennial Mountains/Island Park
Issued by: National Weather Service Pocatello, ID
Last Update: 1232 PM MDT Sun Oct 4 2026
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Tonight: Mostly clear. Lows 41 to 51.

Monday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. Highs 73 to 80.

Monday Night: Mostly clear. Lows 41 to 51.

Tuesday: Sunny. Highs 71 to 78.

Tuesday Night: Mostly clear. Lows 40 to 50.

Wednesday Through Thursday: Clear. Highs 69 to 77. Lows 39 to 49.

Thursday Night And Friday: Mostly clear. Lows 38 to 48. Highs 68 to 75.

Friday Night: Partly cloudy. Lows 39 to 49.

Saturday: Mostly sunny with a slight chance of rain. Highs 63 to 70.

Saturday Night: Mostly cloudy with a chance of rain. Lows 34 to 44.

Sunday: Partly sunny with a chance of rain and snow. Highs 50 to 57.







Zone Forecast: Centennial Mountains/Island Park

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