Sweet Marsh State Wildlife Management Area Weather Forecast

    • -4
    • 5

    Blowing Snow

    • 13
    • 28

    Mostly Cloudy

    • 22
    • 37

    Mostly Cloudy

    • 24
    • 37

    Chance Rain/Snow

    • -3
    • 36

    Breezy

    • 16
    • 26

    Mostly Cloudy

    • 11
    • 36

    Mostly Cloudy

Today 14 Dec Bremer

Sunny. Highs around 5 above. West Winds around 5 Mph, becoming southwest this afternoon.

Tonight 14 Dec Bremer

Mostly clear this Evening, then becoming partly cloudy. Patchy blowing snow after midnight. Cold with Lows around 3 below. Temperature rising to around 10 above after midnight. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 19 below.

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Sweet Marsh State Wildlife Management Area Temperature Statistics

December Temperature

Oelwein Municipal Airport (16.2 miles)

  • Lowest 4 December, 2025

    -11.2 °F

  • Average December

    17.2 °F

  • Highest 9 December, 2025

    39.2 °F

Climate (2020–Present)

Oelwein Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    57.9 °F
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