Altnow Marsh State Wildlife Management Area Weather Forecast

    • 54
    • 77

    Partly Sunny

    • 59
    • 76

    Mostly Cloudy

    • 45
    • 75

    Chance Rain Showers

    • 41
    • 53

    Chance Rain Showers

    • 37
    • 50

    Partly Sunny

Today 22 Oct Sibley

Sunny. Patchy fog in the morning. Highs in the mid 70s. Southeast Winds up to 10 Mph.

Tonight 22 Oct Sibley

Warmer. Mostly clear. Lows in the mid 50s. Southeast Winds around 5 Mph.

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Altnow Marsh State Wildlife Management Area Temperature Statistics

October Temperature

Glencoe Municipal Airport (11.2 miles)

  • Lowest 17 October, 2026

    31.3 °F

  • Average October

    56.4 °F

  • Highest 10 October, 2026

    89.6 °F

Climate (2021–2026)

Glencoe Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    56.1 °F
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