Lannon Lake Weather Forecast

    • 71
    • 87

    Chance Thunderstorms

    • 67
    • 97

    Slight Chance Thunderstorms

    • 66
    • 90

    Slight Chance Thunderstorms

    • 67
    • 91

    Chance Thunderstorms

    • 69
    • 93

    Rain Showers Likely

    • 72
    • 94

    Chance Thunderstorms

Today 28 Jun Big Stone

Mostly cloudy. Showers likely with a chance of Thunderstorms this Morning, then a slight chance of Thunderstorms this afternoon. Breezy with Highs in the upper 80s. Southeast Winds 15 to 25 Mph. Chance of rain 70 percent.

Tonight 28 Jun Big Stone

Partly cloudy. Humid with Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

June Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 14 June, 2026

    48.2 °F

  • Average June

    67.6 °F

  • Highest 7 June, 2026

    89.6 °F

Climate (2021–2026)

Wheaton Municipal Airport (16.8 miles)

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

  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    54.4 °F
Get WillyWeather+ to remove ads