Parleys Reservoir Weather Forecast

    • 44
    • 69

    Rain Showers Likely

    • 46
    • 65

    Rain Showers

    • 31
    • 56

    Rain Showers

    • 27
    • 41

    Chance Snow Showers

    • 35
    • 53

    Chance Rain Showers

    • 31
    • 51

    Chance Rain Showers

Today 9 Oct Blackfoot Mountains

Sunny. Highs 67 to 75.

Tonight 9 Oct Blackfoot Mountains

Mostly clear in the evening. Then mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms after midnight. Lows 42 to 52.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Parleys Reservoir Temperature Statistics

October Temperature

Idaho Falls Regional Airport (29.2 miles)

  • Lowest 6 October, 2025

    30 °F

  • Average October

    50.1 °F

  • Highest 2 October, 2025

    77 °F

Climate (2020–Present)

Idaho Falls Regional Airport (29.2 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    58.9 °F
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