Fort Thompson Weather Forecast

    • 71
    • 98

    Slight Chance Thunderstorms

    • 69
    • 94

    Partly Sunny

    • 71
    • 96

    Chance Thunderstorms

    • 66
    • 90

    Chance Thunderstorms

    • 66
    • 88

    Partly Sunny

    • 67
    • 90

    Mostly Sunny

Today 27 Jul Buffalo

Partly sunny. Areas of smoke. Hot with Highs in the mid 90s. East Winds around 10 Mph.

Tonight 27 Jul Buffalo

Mostly cloudy with a 50 percent chance of Thunderstorms. Patchy smoke. Lows in the lower 70s. Northeast Winds 5 to 10 Mph, becoming north after midnight.

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Fort Thompson Temperature Statistics

July Temperature

Chamberlain, Chamberlain Municipal Airport (21.1 miles)

  • Lowest 22 July, 2026

    61.7 °F

  • Average July

    77 °F

  • Highest 25 July, 2026

    100.4 °F

Climate (2021–2026)

Chamberlain, Chamberlain Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    59.6 °F
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