Sweet Marsh State Wildlife Management Area Weather Forecast

    • 17
    • 31

    Mostly Cloudy

    • 25
    • 29

    Increasing Clouds

    • 32
    • 41

    Partly Sunny

    • 24
    • 46

    Mostly Cloudy

    • 16
    • 28

    Partly Sunny

    • 26
    • 34

    Chance Snow

    • 12
    • 31

    Chance Snow

Today 10 Jan Bremer

Mostly cloudy with a 40 percent chance of snow. Little or no snow accumulation. Highs in the lower 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 10 Jan Bremer

Mostly cloudy with a chance of Flurries. Near steady temperature around 19. Northwest Winds 15 to 20 Mph with Gusts up to 35 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

    27.3 °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

    48.2 °F

  • Average High 2021–2026

    57.9 °F
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