Dismal Swamp State Wildlife Management Area Weather Forecast

    • 68
    • 82

    Chance Thunderstorms

    • 66
    • 81

    Rain Showers Likely

    • 68
    • 82

    Rain Showers Likely

    • 60
    • 82

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 58
    • 79

    Partly Sunny

    • 55
    • 80

    Partly Sunny

Today 5 Sep Big Stone

Partly sunny. Highs in the lower 80s. Southeast Winds 10 to 15 Mph.

Tonight 5 Sep Big Stone

Mostly clear this Evening, then mostly cloudy with a chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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Dismal Swamp State Wildlife Management Area Temperature Statistics

September Temperature

Ortonville, Ortonville Muncipal-Martinson Field Airport (13.7 miles)

  • Lowest 1 September, 2026

    55.4 °F

  • Average September

    73.5 °F

  • Highest 3 September, 2026

    95 °F

Climate (2021–2026)

Ortonville, Ortonville Muncipal-Martinson Field Airport (13.7 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    55.1 °F
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