Decorah Weather Forecast

    • 11
    • 33

    Rain/Sleet

    • -3
    • 15

    Chance Snow

    • 18
    • 24

    Snow

    • 30
    • 42

    Partly Sunny

    • 33
    • 51

    Partly Sunny

    • 36
    • 57

    Mostly Cloudy

Today 15 Mar Winneshiek

Sleet, freezing rain with a chance of Thunderstorms this morning. Snow. Patchy blowing snow this morning. Areas of blowing snow this afternoon. Precipitation may be heavy at Times this morning. Snow and sleet accumulation of 1 to 3 Inches. Ice accumulation of up to one tenth of an inch. Very windy. Near steady temperature in the lower 30s. Northeast Winds 25 to 35 Mph. Gusts up to 40 Mph, increasing to 50 Mph this afternoon. Chance of precipitation 100 percent.

Tonight 15 Mar Winneshiek

Snow. Blowing snow. Visibility one quarter mile or less at Times after midnight. Additional snow accumulation of 3 to 5 Inches. Very windy and much Colder with Lows around 10 above. North Winds 25 to 35 Mph with Gusts up to 55 Mph. Chance of snow 100 percent.

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Decorah Temperature Statistics

March Temperature

Decorah (2.5 miles)

  • Lowest 1 March, 2026

    12.2 °F

  • Average March

    38.9 °F

  • Highest 9 March, 2026

    68 °F

Climate (2021–Present)

Decorah (2.5 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    56.8 °F
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