Lannon Lake Weather Forecast

    • 57
    • 81

    Chance Thunderstorms

    • 65
    • 87

    Mostly Sunny

    • 67
    • 92

    Chance Thunderstorms

    • 60
    • 86

    Rain Showers Likely

    • 68
    • 88

    Chance Thunderstorms

    • 69
    • 97

    Chance Thunderstorms

Today 5 Jun Big Stone

Partly sunny. A chance of Thunderstorms this afternoon. Highs in the lower 80s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 5 Jun Big Stone

Mostly clear with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph, becoming south after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

June Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 1 June, 2026

    62.6 °F

  • Average June

    70.9 °F

  • Highest 2 June, 2026

    87.8 °F

Climate (2021–Present)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.5 °F
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