National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

13°F

-11°C

Humidity 64%
Wind Speed Calm
Barometer 30.00 in (1018.4 mb)
Dewpoint 3°F (-16°C)
Visibility NA
Last update 30 Dec 12:56 pm CST
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Snow likely, mainly between 2pm and 5pm. Cloudy, with a high near 18. West wind around 5 mph becoming north. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 18 °F

    Snow Likely

  • Tonight

    Tonight: A 20 percent chance of snow before 7pm. Mostly cloudy, with a low around 4. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 4 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a steady temperature around 6. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 6 °F

    Becoming
    Sunny and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -2. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.

    Low: -2 °F

    Mostly Clear
    and Blustery

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after noon. Mostly sunny, with a high near 12. Blustery, with a west wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 12 °F

    Mostly Sunny
    and Blustery
    then Slight
    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 4. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 4 °F

    Mostly Cloudy
    then Mostly
    Clear and
    Blustery

  • Friday

    Friday: Sunny, with a high near 14. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 14 °F

    Sunny and
    Blustery

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. Blustery, with a northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 4 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17. Northwest wind around 5 mph, with gusts as high as 15 mph.

    High: 17 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly between 2pm and 5pm. Cloudy, with a high near 18. West wind around 5 mph becoming north. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A 20 percent chance of snow before 7pm. Mostly cloudy, with a low around 4. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a steady temperature around 6. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.
Wednesday Night
Mostly clear, with a low around -2. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.
New Year's Day
A 20 percent chance of snow after noon. Mostly sunny, with a high near 12. Blustery, with a west wind 10 to 15 mph, with gusts as high as 35 mph.
Thursday Night
Partly cloudy, with a low around 4. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 14. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 4. Blustery, with a northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 17. Northwest wind around 5 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 8. Northwest wind around 5 mph.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 23. Northwest wind around 5 mph.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 14. Northwest wind around 5 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 24. Northwest wind around 5 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
12:17 pm CST Dec 30, 2025
Forecast Valid:
1pm CST Dec 30, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation