Lannon Lake Weather Forecast

    • 27
    • 42

    Cloudy

    • 31
    • 42

    Mostly Cloudy

    • 36
    • 57

    Partly Sunny

    • 40
    • 57

    Mostly Sunny

    • 36
    • 59

    Mostly Sunny

    • 32
    • 52

    Partly Sunny

    • 34
    • 53

    Partly Sunny

Today 5 Nov Big Stone

Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Tonight 5 Nov Big Stone

Cloudy. Lows in the upper 20s. North Winds 5 to 10 Mph, becoming east after midnight.

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Lannon Lake Temperature Statistics

November Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 3 November, 2026

    41 °F

  • Average November

    53.1 °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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