Lannon Lake Weather Forecast

    • 51
    • 70

    Rain Showers

    • 50
    • 70

    Chance Rain Showers

    • 52
    • 76

    Chance Rain Showers

    • 55
    • 77

    Slight Chance Rain Showers

    • 53
    • 73

    Slight Chance Rain Showers

    • 56
    • 75

    Chance Rain Showers

Today 17 Jun Big Stone

Mostly cloudy. A chance of Showers late this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs around 70. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 17 Jun Big Stone

Mostly cloudy with Showers likely with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Lannon Lake Temperature Statistics

June Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 14 June, 2026

    48.2 °F

  • Average June

    70.3 °F

  • Highest 7 June, 2026

    89.6 °F

Climate (2021–2026)

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

    54.4 °F
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