Sweet Marsh State Wildlife Management Area Weather Forecast

    • 9
    • 23

    Blustery

    • 25
    • 30

    Chance Snow

    • 5
    • 32

    Chance Snow

    • -1
    • 10

    Mostly Cloudy

    • 3
    • 16

    Partly Sunny

    • 1
    • 14

    Partly Sunny

Today 14 Jan Bremer

Mostly Cloudy, then becoming mostly sunny this Morning, then becoming sunny. Windy and much cooler with Highs in the lower 20s. North Winds 20 to 30 Mph with Gusts up to 40 Mph.

Tonight 14 Jan Bremer

Mostly clear. Lows around 10 above. Northwest Winds 10 to 15 Mph.

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Sweet Marsh State Wildlife Management Area Temperature Statistics

January Temperature

Oelwein Municipal Airport (16.2 miles)

  • Lowest 1 January, 2026

    8.6 °F

  • Average January

    27.5 °F

  • Highest 8 January, 2026

    42.8 °F

Climate (2021–Present)

Oelwein Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.9 °F
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