Lannon Lake Weather Forecast

    • -2
    • 11

    Partly Sunny

    • 17
    • 22

    Partly Sunny

    • 9
    • 36

    Breezy

    • 11
    • 21

    Chance Snow

    • 29
    • 38

    Mostly Sunny

    • 13
    • 45

    Breezy

    • 5
    • 21

    Partly Sunny

Today 22 Feb Big Stone

Partly sunny with scattered Flurries. Near steady temperature around 10 above. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 22 Feb Big Stone

Partly cloudy. Cold with Lows around 2 below. North Winds 15 to 20 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Real-Time

Lannon Lake Temperature Statistics

February Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 3 February, 2026

    -9.4 °F

  • Average February

    27.4 °F

  • Highest 15 February, 2026

    57.2 °F

Climate (2021–Present)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    35.1 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    54.8 °F
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