Sweet Marsh State Wildlife Management Area Weather Forecast

    • 29
    • 37

    Areas Freezing Fog

    • 34
    • 43

    Increasing Clouds

    • 31
    • 42

    Rain Likely

    • 26
    • 38

    Chance Snow

    • 16
    • 30

    Chance Snow

    • 22
    • 29

    Partly Sunny

    • 25
    • 38

    Mostly Cloudy

Today 6 Jan Bremer

Cloudy. Areas of fog. Near steady temperature in the upper 30s. Northwest Winds 10 to 15 Mph.

Tonight 6 Jan Bremer

Mostly cloudy. Patchy fog this Evening, then Areas of fog and freezing fog after midnight. Near steady temperature around 30. Northwest Winds 5 to 10 Mph, becoming southwest after midnight.

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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

    20.6 °F

  • Highest 4 January, 2026

    30.2 °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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