Dismal Swamp State Wildlife Management Area Weather Forecast

    • 61
    • 81

    Slight Chance Thunderstorms

    • 58
    • 81

    Slight Chance Thunderstorms

    • 55
    • 81

    Chance Thunderstorms

    • 59
    • 85

    Slight Chance Thunderstorms

    • 59
    • 84

    Chance Thunderstorms

Today 30 May Big Stone

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs around 80. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 30 May Big Stone

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows around 60. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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Dismal Swamp State Wildlife Management Area Temperature Statistics

May Temperature

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

  • Lowest 7 May, 2026

    30.2 °F

  • Average May

    58 °F

  • Highest 25 May, 2026

    93.2 °F

Climate (2021–Present)

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

    55.2 °F
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