Union Slough National Wildlife Refuge Weather Forecast

    • 32
    • 48

    Increasing Clouds

    • 27
    • 51

    Mostly Sunny

    • 47
    • 65

    Mostly Sunny

    • 46
    • 74

    Sunny

    • 58
    • 79

    Partly Sunny

    • 51
    • 77

    Rain Showers Likely

Today 18 Apr Kossuth

Mostly sunny and breezy. Much cooler with Highs in the upper 40s. Northwest Winds 15 to 25 Mph.

Tonight 18 Apr Kossuth

Mostly clear in the Evening, then becoming partly cloudy. Breezy with Lows in the lower 30s. Northwest Winds 20 to 25 Mph with Gusts up to 35 Mph, becoming west 5 to 10 Mph after midnight.

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Union Slough National Wildlife Refuge Temperature Statistics

April Temperature

Algona (13.7 miles)

  • Lowest 7 April, 2026

    21.2 °F

  • Average April

    45.2 °F

  • Highest 13 April, 2026

    78.8 °F

Climate (2021–Present)

Algona (13.7 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    58.7 °F
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