Island Lake Weather Forecast

    • 55
    • 78

    Increasing Clouds

    • 58
    • 80

    Partly Sunny

    • 63
    • 83

    Rain Showers Likely

    • 66
    • 84

    Slight Chance Rain Showers

    • 65
    • 83

    Chance Thunderstorms

    • 60
    • 81

    Chance Rain Showers

Today 1 Sep Mahnomen

Mostly sunny. Highs 75 to 80. West Winds 5 to 15 Mph.

Tonight 1 Sep Mahnomen

Clear. Lows in the mid 50s. Southwest Winds around 5 Mph.

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Island Lake Temperature Statistics

September Temperature

Fosston, Fosston Municipal Airport (11.2 miles)

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  • Average September

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Climate (2021–2026)

Fosston, Fosston Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    39.3 °F

  • Average High 2021–2026

    48.6 °F
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