Island Lake Weather Forecast

    • 39
    • 68

    Slight Chance Thunderstorms

    • 36
    • 62

    Rain Showers Likely

    • 33
    • 46

    Rain Showers

    • 31
    • 47

    Chance Rain/Snow

    • 30
    • 47

    Slight Chance Rain Showers

    • 36
    • 57

    Partly Sunny

Today 15 May Bottineau

Mostly sunny. Areas of blowing dust. Very windy. Highs around 70. West Winds 25 to 35 Mph with Gusts up to 50 Mph.

Tonight 15 May Bottineau

Areas of blowing dust in the evening. Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows around 40. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of rain 20 percent.

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Island Lake Temperature Statistics

May Temperature

ROLLA (26.7 miles)

  • Lowest 7 May, 2026

    19.4 °F

  • Average May

    45.7 °F

  • Highest 11 May, 2026

    71.6 °F

Climate (2021–Present)

ROLLA (26.7 miles)

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  • Average Low 2021–2026

    28.8 °F

  • Average 2021–2026

    38.8 °F

  • Average High 2021–2026

    48.4 °F
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