Nelson Dewey State Park Weather Forecast

    • 39
    • 60

    Decreasing Clouds

    • 50
    • 63

    Rain Showers Likely

    • 44
    • 62

    Rain Showers Likely

    • 38
    • 59

    Chance Rain Showers

    • 45
    • 66

    Mostly Sunny

    • 50
    • 73

    Partly Sunny

Today 29 Apr Grant

Mostly cloudy. Much cooler with Highs around 60. West Winds 10 to 20 Mph with Gusts up to 30 Mph, becoming northwest 10 to 15 Mph this afternoon.

Tonight 29 Apr Grant

Mostly clear in the Evening, then becoming partly cloudy. Colder with Lows in the upper 30s. North Winds around 5 Mph, becoming east after midnight.

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Nelson Dewey State Park Temperature Statistics

April Temperature

Prairie Du Chien Municipal Airport (19.9 miles)

  • Lowest 8 April, 2025

    20.7 °F

  • Average April

    46.9 °F

  • Highest 22 April, 2025

    72.7 °F

Climate (2020–Present)

Prairie Du Chien Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.9 °F
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