Effigy Mounds National Monument Weather Forecast
- 68
- 87
Rain Showers
- 63
- 85
Mostly Sunny
- 65
- 85
Partly Sunny
- 66
- 87
Chance Thunderstorms
- 66
- 87
Chance Thunderstorms
- 67
- 87
Chance Thunderstorms
Today 5 Jul Clayton
Partly sunny late this Morning, then mostly cloudy with Showers and Thunderstorms likely this afternoon. Highs in the mid 80s. Temperature falling to around 80 this afternoon. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent. Heat index Values in the mid 90s this afternoon.
Tonight 5 Jul Clayton
Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southwest Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph after midnight. Chance of rain 70 percent.
Effigy Mounds National Monument Temperature Statistics
July Temperature
Prairie Du Chien Municipal Airport (5.6 miles)
Lowest 2 July, 2025
62.1 °FAverage July
75.9 °FHighest 3 July, 2025
90.5 °F
Climate (2020–Present)
Prairie Du Chien Municipal Airport (5.6 miles)
Average Low 2020–2025
40.1 °FAverage 2020–2025
49.5 °FAverage High 2020–2025
58.9 °F