Deaver Reservoir Weather Forecast

    • 45
    • 61

    Rain Showers

    • 45
    • 63

    Rain Showers Likely

    • 47
    • 69

    Mostly Sunny

    • 51
    • 75

    Slight Chance Thunderstorms

    • 50
    • 76

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

Today 19 Sep North Bighorn Basin

Showers with a chance of Thunderstorms. Some Thunderstorms may produce gusty Winds and small hail. Breezy. Near steady temperature in the lower 60s. Northwest Winds 20 to 25 Mph with Gusts up to 35 Mph. Chance of rain 80 percent.

Tonight 19 Sep North Bighorn Basin

A slight chance of Thunderstorms in the evening. Mostly cloudy with Showers likely. Some Thunderstorms may produce gusty Winds and small hail in the evening. Breezy with Lows in the mid 40s. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 60 percent.

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  • Temperature Real-Time

Deaver Reservoir Temperature Statistics

September Temperature

Powell Municipal Airport (7.5 miles)

  • Lowest 15 September, 2026

    37.4 °F

  • Average September

    62.2 °F

  • Highest 4 September, 2026

    87.8 °F

Climate (2021–2026)

Powell Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    57.3 °F
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