Heron Lake Weather Forecast

    • -4
    • 20

    Snow

    • -1
    • 8

    Chance Snow

    • 16
    • 26

    Mostly Cloudy

    • 16
    • 38

    Chance Rain/Snow

    • 8
    • 25

    Chance Snow

    • 2
    • 19

    Slight Chance Snow

Today 6 Dec Jackson

A chance of snow in the Morning, then snow in the afternoon. Snow may be heavy at Times in the afternoon. Snow accumulation of 3 to 5 Inches. Cooler with Highs around 20. East Winds 10 to 15 Mph. Chance of snow near 100 percent.

Tonight 6 Dec Jackson

Mostly cloudy. Snow in the evening. Total snow accumulation of 4 to 8 Inches. Colder with Lows around 3 below. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of snow 90 percent. Wind chill Values as low as 14 below after midnight.

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Heron Lake Temperature Statistics

December Temperature

Windom Municipal Airport (13 miles)

  • Lowest 3 December, 2025

    -4 °F

  • Average December

    13.8 °F

  • Highest 3 December, 2025

    33.8 °F

Climate (2020–Present)

Windom Municipal Airport (13 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    56.7 °F
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