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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. 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 70%
Wind Speed NE 5 mph
Barometer 30.33 in (1028.7 mb)
Dewpoint 5°F (-15°C)
Visibility NA
Wind Chill5°F (-15°C)
Last update 25 Dec 5:56 am CST
Extended Forecast for

Grand Marais MN

Winter Weather Advisory December 25, 03:00pm until December 26, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: A chance of flurries between 11am and noon, then a chance of snow after noon. Increasing clouds, with a high near 28. Breezy, with a northeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

    High: 28 °F

    Breezy.
    Chance
    Flurries then
    Chance Snow

  • Tonight

    Tonight: Snow and sleet. Patchy fog before 10pm, then patchy fog after 11pm. Temperature falling to near 25 by 11pm, then rising to around 31 during the remainder of the night. Breezy, with a southeast wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 25 °F⇑

    Snow/Sleet
    and Patchy
    Fog

  • Friday

    Friday: A chance of drizzle, snow, freezing rain, and sleet before 11am, then a chance of snow between 11am and noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 36. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 50%. Little or no snow and sleet accumulation expected.

    High: 36 °F

    Chance Wintry
    Mix and
    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of drizzle. Cloudy, with a high near 38. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 38 °F

    Chance
    Drizzle

  • Saturday Night

    Saturday Night: A chance of drizzle before 3am, then a chance of drizzle or freezing rain. Cloudy, with a low around 26. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Drizzle then
    Chance
    Drizzle/Freezing
    Rain

  • Sunday

    Sunday: A chance of snow and freezing rain before noon, then a chance of snow. Mostly cloudy, with a high near 35. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 35 °F

    Breezy.
    Chance Wintry
    Mix then
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 7. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 50 mph.

    Low: 7 °F

    Chance Snow
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 14. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 45 mph.

    High: 14 °F

    Partly Sunny
    and Blustery

Detailed Forecast

Christmas Day
A chance of flurries between 11am and noon, then a chance of snow after noon. Increasing clouds, with a high near 28. Breezy, with a northeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow and sleet. Patchy fog before 10pm, then patchy fog after 11pm. Temperature falling to near 25 by 11pm, then rising to around 31 during the remainder of the night. Breezy, with a southeast wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Friday
A chance of drizzle, snow, freezing rain, and sleet before 11am, then a chance of snow between 11am and noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 36. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 50%. Little or no snow and sleet accumulation expected.
Friday Night
Mostly cloudy, with a low around 28. Northwest wind around 5 mph becoming southeast after midnight.
Saturday
A chance of drizzle. Cloudy, with a high near 38. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A chance of drizzle before 3am, then a chance of drizzle or freezing rain. Cloudy, with a low around 26. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Sunday
A chance of snow and freezing rain before noon, then a chance of snow. Mostly cloudy, with a high near 35. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 50 mph.
Monday
Partly sunny, with a high near 14. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 45 mph.
Monday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 5. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 35 mph.
Tuesday
A chance of snow. Mostly cloudy, with a high near 21. Breezy, with a west wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 4. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
A slight chance of snow. Partly sunny, with a high near 13. Blustery, with a northwest wind around 15 mph, with gusts as high as 30 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
3:09 am CST Dec 25, 2025
Forecast Valid:
6am CST Dec 25, 2025-6pm CST Dec 31, 2025
 
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