Effigy Mounds National Monument Weather Forecast

    • 47
    • 66

    Chance Rain Showers

    • 48
    • 79

    Chance Rain Showers

    • 41
    • 66

    Mostly Sunny

    • 54
    • 73

    Chance Thunderstorms

    • 56
    • 78

    Chance Thunderstorms

    • 57
    • 81

    Chance Rain Showers

Today 11 May Clayton

Mostly sunny. Highs in the mid 60s. Southeast Winds around 5 Mph.

Tonight 11 May Clayton

Partly cloudy. Warmer with Lows in the upper 40s. Southeast Winds 10 to 20 Mph. Gusts up to 30 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

May Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 2 May, 2026

    31.1 °F

  • Average May

    52.2 °F

  • Highest 4 May, 2026

    80.4 °F

Climate (2021–Present)

Prairie Du Chien Municipal Airport (5.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.5 °F
Get WillyWeather+ to remove ads