Parleys Reservoir Weather Forecast

    • 51
    • 77

    Isolated Thunderstorms

    • 50
    • 78

    Becoming Sunny

    • 51
    • 80

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 50
    • 82

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 52
    • 86

    Mostly Sunny

Today 22 Jul Blackfoot Mountains

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs 74 to 84.

Tonight 22 Jul Blackfoot Mountains

Partly cloudy. Isolated Showers and Thunderstorms in the evening. Then isolated rain Showers after midnight. Some Thunderstorms may produce gusty Winds in the evening. Lows 48 to 58.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Parleys Reservoir Temperature Statistics

July Temperature

Idaho Falls Regional Airport (29.2 miles)

  • Lowest 17 July, 2025

    44.7 °F

  • Average July

    70.4 °F

  • Highest 1 July, 2025

    97.6 °F

Climate (2020–Present)

Idaho Falls Regional Airport (29.2 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    58.9 °F
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