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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

0°F

-18°C

Humidity 57%
Wind Speed W 8 mph
Barometer 29.95 in (1017.0 mb)
Dewpoint -12°F (-24°C)
Visibility NA
Wind Chill-14°F (-26°C)
Last update 1 Jan 6:56 am CST
Extended Forecast for

Grand Marais MN

Cold Weather Advisory January 1, 07:33am until January 1, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 1, 07:33am until January 1, 10:00am

    NOW until 10:00am Thu

    Cold Weather Advisory

  • New Year's Day

    High: 10 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly clear, with a low around 0. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 13. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 13 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 17. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 17 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 0. Northwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 0 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of snow after noon. Partly sunny, with a high near 20. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 20 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Southeast wind around 5 mph.

    Low: 14 °F

    Snow Likely

Detailed Forecast

New Year's Day
A chance of flurries between 11am and 4pm. Mostly sunny, with a high near 10. West wind around 10 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 0. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 13. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 4. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 17. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 0. Northwest wind around 5 mph, with gusts as high as 15 mph.
Sunday
A chance of snow after noon. Partly sunny, with a high near 20. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Southeast wind around 5 mph.
Monday
Mostly cloudy, with a high near 29. Northeast wind around 5 mph becoming west in the afternoon.
Monday Night
Mostly cloudy, with a low around 20. Northwest wind around 5 mph becoming south in the evening.
Tuesday
A chance of snow. Mostly cloudy, with a high near 33. South wind around 5 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 18. West wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 29. West wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.36°W
Last Update:
5:26 am CST Jan 1, 2026
Forecast Valid:
7am CST Jan 1, 2026-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation