Lannon Lake Weather Forecast

    • 41
    • 65

    Chance Rain Showers

    • 37
    • 56

    Mostly Cloudy

    • 39
    • 59

    Partly Sunny

    • 36
    • 61

    Partly Sunny

    • 32
    • 54

    Mostly Sunny

    • 43
    • 62

    Mostly Sunny

Today 12 Oct Big Stone

Mostly cloudy with a chance of Showers and drizzle. Highs in the mid 60s. North Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 12 Oct Big Stone

Cloudy. Lows in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Lannon Lake Temperature Statistics

October Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 2 October, 2026

    33.8 °F

  • Average October

    58.2 °F

  • Highest 10 October, 2026

    93.2 °F

Climate (2021–2026)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.4 °F
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