Lannon Lake Weather Forecast

    • 28
    • 45

    Chance Snow

    • 26
    • 39

    Chance Rain/Snow

    • 25
    • 39

    Partly Sunny

    • 26
    • 48

    Rain/Snow Likely

    • 25
    • 37

    Chance Snow

    • 18
    • 39

    Snow Likely

Today 9 Mar Big Stone

Partly sunny. Much Colder with Highs in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Mar Big Stone

Partly cloudy with a slight chance of snow in the Evening, then mostly cloudy with a chance of snow after midnight. Snow accumulation up to 1 inch possible. Lows in the upper 20s. North Winds 10 to 15 Mph. Chance of snow 50 percent.

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  • Temperature Real-Time

Lannon Lake Temperature Statistics

March Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    31.9 °F

  • Highest 3 March, 2026

    51.8 °F

Climate (2021–Present)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    54.6 °F
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