Fort Thompson Recreation Area Weather Forecast

    • 54
    • 65

    Chance Thunderstorms

    • 52
    • 68

    Mostly Cloudy

    • 56
    • 74

    Partly Sunny

    • 57
    • 81

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 52
    • 73

    Mostly Sunny

Today 18 Sep Buffalo

Cloudy. A chance of Showers with a slight chance of Thunderstorms late this Morning, then a chance of Thunderstorms this afternoon. Near steady temperature in the mid 60s. East Winds 5 to 10 Mph, becoming north 10 to 15 Mph this afternoon. Chance of rain 50 percent.

Tonight 18 Sep Buffalo

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 50s. Northwest Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Thompson Recreation Area Temperature Statistics

September Temperature

Chamberlain, Chamberlain Municipal Airport (21.1 miles)

  • Lowest 6 September, 2025

    37.8 °F

  • Average September

    67 °F

  • Highest 8 September, 2025

    89.1 °F

Climate (2020–Present)

Chamberlain, Chamberlain Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.2 °F
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