Big Snow Lake Weather Forecast

    • 56
    • 72

    Mostly Cloudy

    • 58
    • 74

    Partly Sunny

    • 61
    • 73

    Chance Thunderstorms

    • 62
    • 78

    Chance Thunderstorms

    • 62
    • 81

    Chance Thunderstorms

    • 60
    • 79

    Chance Rain Showers

Today 4 Aug Northern Cook/Northern Lake

Partly sunny with a slight chance of Showers. Areas of smoke. A slight chance of Thunderstorms in the afternoon. Highs in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 4 Aug Northern Cook/Northern Lake

Mostly cloudy with a chance of Sprinkles. Near steady temperature in the upper 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Snow Lake Temperature Statistics

August Temperature

Grand Marais/Cook County Airport (27.3 miles)

  • Lowest 1 August, 2025

    50 °F

  • Average August

    63.6 °F

  • Highest 1 August, 2025

    73.4 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (27.3 miles)

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  • Average Low 2020–2025

    28.7 °F

  • Average 2020–2025

    38.1 °F

  • Average High 2020–2025

    46.7 °F
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