Fort Thompson Weather Forecast

    • 41
    • 49

    Rain Showers

    • 30
    • 48

    Rain Showers

    • 32
    • 51

    Slight Chance Rain Showers

    • 34
    • 61

    Chance Rain Showers

    • 33
    • 60

    Partly Sunny

    • 39
    • 66

    Mostly Sunny

Today 26 Apr Buffalo

Showers. Near steady temperature in the mid 40s. East Winds 15 to 20 Mph. Chance of rain near 100 percent.

Tonight 26 Apr Buffalo

Showers. Near steady temperature in the mid 40s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Thompson Temperature Statistics

April Temperature

Chamberlain, Chamberlain Municipal Airport (21.1 miles)

  • Lowest 10 April, 2026

    18.5 °F

  • Average April

    44 °F

  • Highest 16 April, 2026

    85.3 °F

Climate (2021–Present)

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

    59.7 °F
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