Gann Valley Weather Forecast

    • 61
    • 82

    Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

    • 66
    • 85

    Chance Thunderstorms

    • 68
    • 90

    Mostly Sunny

    • 68
    • 94

    Slight Chance Thunderstorms

    • 67
    • 92

    Slight Chance Thunderstorms

    • 62
    • 87

    Chance Thunderstorms

Today 3 Aug Buffalo

Partly sunny with a 20 percent chance of Thunderstorms. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph.

Tonight 3 Aug Buffalo

Mostly cloudy. A chance of Thunderstorms this evening. Lows in the lower 60s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gann Valley Temperature Statistics

August Temperature

Chamberlain, Chamberlain Municipal Airport (24.2 miles)

  • Lowest 1 August, 2025

    61.7 °F

  • Average August

    69.1 °F

  • Highest 1 August, 2025

    77.5 °F

Climate (2020–Present)

Chamberlain, Chamberlain Municipal Airport (24.2 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.1 °F
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