Lannon Lake Weather Forecast
- 50
- 72
Mostly Sunny
- 50
- 78
Chance Thunderstorms
- 54
- 73
Rain Showers Likely
- 51
- 72
Rain Showers
- 52
- 71
Slight Chance Thunderstorms
- 53
- 76
Partly Sunny
Today 14 Jun Big Stone
Sunny. Highs in the lower 70s. Northwest Winds around 15 Mph with Gusts up to 25 Mph.
Tonight 14 Jun Big Stone
Mostly clear. Lows in the upper 40s. Northwest Winds 10 to 15 Mph, becoming west around 5 Mph after midnight.
Lannon Lake Temperature Statistics
June Temperature
Wheaton Municipal Airport (16.8 miles)
Lowest 6 June, 2026
57.2 °FAverage June
72.2 °FHighest 7 June, 2026
89.6 °F
Climate (2021–Present)
Wheaton Municipal Airport (16.8 miles)
Average Low 2021–2026
34.7 °FAverage 2021–2026
44.6 °FAverage High 2021–2026
54.5 °F