Island Lake Weather Forecast

    • 43
    • 67

    Mostly Sunny

    • 31
    • 73

    Chance Snow

    • 20
    • 39

    Chance Snow

    • 20
    • 33

    Partly Sunny

    • 27
    • 42

    Mostly Sunny

    • 37
    • 60

    Partly Sunny

    • 37
    • 61

    Mostly Sunny

Today 15 Apr Mahnomen

Sunny. Highs in the mid 60s. Southwest Winds around 10 Mph.

Tonight 15 Apr Mahnomen

Mostly clear. Lows in the mid 40s. South Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

April Temperature

Fosston, Fosston Municipal Airport (11.2 miles)

  • Lowest 7 April, 2026

    -4 °F

  • Average April

    30 °F

  • Highest 12 April, 2026

    55.4 °F

Climate (2021–Present)

Fosston, Fosston Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    30.1 °F

  • Average 2021–2026

    40.1 °F

  • Average High 2021–2026

    49.5 °F
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