Lannon Lake Weather Forecast

    • -7
    • 7

    Cold

    • 8
    • 14

    Mostly Cloudy

    • -1
    • 20

    Slight Chance Snow

    • -9
    • 12

    Mostly Cloudy

    • -18
    • -1

    Cold

    • -14
    • -4

    Cold

Today 19 Jan Big Stone

Partly sunny. Colder with Highs around 8 above. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 26 below.

Tonight 19 Jan Big Stone

Mostly cloudy. Patchy blowing snow. Brisk, cold. Near steady temperature around 4 below. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Wind chill Values as low as 31 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lannon Lake Temperature Statistics

January Temperature

Wheaton Municipal Airport (16.8 miles)

  • Lowest 1 January, 2026

    -2.2 °F

  • Average January

    23 °F

  • Highest 12 January, 2026

    44.6 °F

Climate (2021–Present)

Wheaton Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    35 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    54.6 °F
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