Nelson Dewey State Park Weather Forecast

    • 68
    • 78

    Increasing Clouds

    • 66
    • 84

    Chance Thunderstorms

    • 64
    • 78

    Chance Thunderstorms

    • 70
    • 81

    Chance Thunderstorms

    • 74
    • 88

    Slight Chance Thunderstorms

    • 73
    • 90

    Chance Rain Showers

Today 18 Jul Grant

Partly cloudy. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 18 Jul Grant

Partly cloudy in the Evening, then mostly cloudy with Showers likely with a chance of Thunderstorms after midnight. Warmer with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 70 percent.

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Nelson Dewey State Park Temperature Statistics

July Temperature

Prairie Du Chien Municipal Airport (19.9 miles)

  • Lowest 13 July, 2025

    58.1 °F

  • Average July

    75.2 °F

  • Highest 3 July, 2025

    90.5 °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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