Lannon Lake Weather Forecast

    • 57
    • 76

    Slight Chance Thunderstorms

    • 53
    • 73

    Partly Sunny

    • 56
    • 75

    Partly Sunny

    • 60
    • 74

    Chance Rain Showers

    • 66
    • 80

    Rain Showers Likely

    • 66
    • 89

    Chance Thunderstorms

Today 23 Jun Big Stone

Partly sunny with a 50 percent chance of Thunderstorms. Highs in the upper 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Jun Big Stone

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. West Winds 5 to 10 Mph.

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  • 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

    68.1 °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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