Monona Weather Forecast

    • 68
    • 89

    Rain Showers Likely

    • 57
    • 81

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 61
    • 80

    Partly Sunny

    • 65
    • 84

    Partly Sunny

Today 20 Jul Clayton

Areas of smoke in the morning. Mostly sunny with a chance of Showers and Thunderstorms. Hot with Highs in the lower 90s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 100 in the afternoon.

Tonight 20 Jul Clayton

A chance of Thunderstorms in the evening. Partly cloudy with a chance of Showers. Humid with Lows in the upper 60s. West Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 105 early in the evening.

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Monona Temperature Statistics

July Temperature

Prairie Du Chien Municipal Airport (13.7 miles)

  • Lowest 12 July, 2026

    62.1 °F

  • Average July

    76.6 °F

  • Highest 17 July, 2026

    91.9 °F

Climate (2021–2026)

Prairie Du Chien Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.6 °F
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