Lannon Lake Weather Forecast

    • 28
    • 49

    Increasing Clouds

    • 20
    • 37

    Decreasing Clouds

    • 21
    • 37

    Mostly Sunny

    • 25
    • 38

    Mostly Sunny

    • 30
    • 41

    Partly Sunny

    • 34
    • 49

    Mostly Sunny

    • 40
    • 51

    Mostly Cloudy

Today 11 Nov Big Stone

Partly sunny with a slight chance of rain in the Morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the lower 50s. Chance of rain 30 percent.

Tonight 11 Nov Big Stone

Mostly cloudy. Colder with Lows in the upper 20s. North Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

November Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 6 November, 2026

    26.6 °F

  • Average November

    45.8 °F

  • Highest 2 November, 2026

    64.4 °F

Climate (2021–2026)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    54.5 °F
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