Blackfoot Reservoir Weather Forecast

    • 58
    • 82

    Slight Chance Thunderstorms

    • 57
    • 80

    Partly Sunny

    • 56
    • 82

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 56
    • 76

    Chance Thunderstorms

    • 54
    • 71

    Rain Showers Likely

Today 20 Aug Blackfoot Mountains

Mostly sunny. A slight chance of rain Showers in the morning. Then a slight chance of Showers and Thunderstorms in the afternoon. Highs 83 to 93.

Tonight 20 Aug Blackfoot Mountains

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows 51 to 61.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackfoot Reservoir Temperature Statistics

August Temperature

Afton WY (36.7 miles)

  • Lowest 9 August, 2025

    32 °F

  • Average August

    61.4 °F

  • Highest 12 August, 2025

    84.2 °F

Climate (2020–Present)

Afton WY (36.7 miles)

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  • Average Low 2020–2025

    25.2 °F

  • Average 2020–2025

    38.7 °F

  • Average High 2020–2025

    51.6 °F
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