Lake Onalaska Weather Forecast
- 54
- 75
Rain Showers
- 60
- 80
Chance Rain Showers
- 53
- 79
Chance Rain Showers
- 51
- 72
Mostly Sunny
- 51
- 74
Partly Sunny
- 51
- 73
Chance Rain Showers
Today 11 Jun La Crosse
Showers and numerous Thunderstorms. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Not as warm with Highs in the mid 70s. North Winds 10 to 15 Mph. Chance of rain 100 percent.
Tonight 11 Jun La Crosse
Mostly cloudy with a chance of Showers and scattered Thunderstorms this Evening, then mostly clear after midnight. Some Thunderstorms may produce heavy rainfall this evening. Lows in the mid 50s. West Winds 10 to 15 Mph. Gusts up to 30 Mph this evening. Chance of rain 50 percent.
Lake Onalaska Temperature Statistics
June Temperature
La Crosse - La Crosse Regional Airport (2.5 miles)
Lowest 3 June, 2026
53.7 °FAverage June
72.5 °FHighest 4 June, 2026
89.7 °F
Climate (2021–Present)
La Crosse - La Crosse Regional Airport (2.5 miles)
Average Low 2021–2026
40.9 °FAverage 2021–2026
50.3 °FAverage High 2021–2026
59.9 °F