Lake Onalaska Weather Forecast

    • 18
    • 31

    Chance Snow

    • 15
    • 28

    Mostly Cloudy

    • 12
    • 24

    Mostly Cloudy

    • 13
    • 27

    Partly Sunny

    • 22
    • 37

    Mostly Cloudy

    • 15
    • 34

    Partly Sunny

Today 20 Feb La Crosse

Snow this morning. Patchy blowing snow. Additional snow accumulation around an inch. Highs around 30. Northwest Winds 10 to 20 Mph. Gusts up to 40 Mph, decreasing to 30 Mph this afternoon. Chance of snow 100 percent.

Tonight 20 Feb La Crosse

Mostly cloudy. Lows around 18. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Onalaska Temperature Statistics

February Temperature

La Crosse - La Crosse Regional Airport (2.5 miles)

  • Lowest 4 February, 2026

    -1.4 °F

  • Average February

    29.7 °F

  • Highest 16 February, 2026

    58.6 °F

Climate (2021–Present)

La Crosse - La Crosse Regional Airport (2.5 miles)

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  • Average Low 2021–2026

    41.1 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    60 °F
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