Lannon Lake Weather Forecast

    • 21
    • 32

    Breezy

    • 28
    • 37

    Partly Sunny

    • 28
    • 43

    Mostly Cloudy

    • 21
    • 38

    Mostly Cloudy

    • 24
    • 38

    Chance Snow

    • 24
    • 40

    Slight Chance Snow

Today 7 Feb Big Stone

Mostly cloudy and brisk. Near steady temperature in the lower 30s. Southeast Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 7 Feb Big Stone

Mostly cloudy in the Evening, then becoming partly cloudy. Not as cold with Lows in the lower 20s. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

February Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 3 February, 2026

    -9.4 °F
  • Average February

    19 °F
  • Highest 5 February, 2026

    44.6 °F

Climate (2021–Present)

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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