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.

31°F

-1°C

Humidity 69%
Wind Speed SE 17 G 26 mph
Barometer 29.99 in (1017.2 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 25 Dec 7:56 pm CST
Extended Forecast for

Grand Marais MN

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

    NOW until 12:00pm Fri

    Winter Weather Advisory

  • Tonight

    Low: 31 °F

    Wintry Mix
    and Patchy
    Fog

  • Friday

    Friday: A chance of drizzle, snow, freezing rain, and sleet before 11am, then a slight chance of drizzle between 11am and noon. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a high near 36. South wind around 5 mph becoming north 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 Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. North wind around 5 mph becoming southeast after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of drizzle or freezing rain before 9am, then a chance of drizzle. Cloudy, with a high near 38. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Drizzle/Freezing
    Rain then
    Chance
    Drizzle

  • Saturday Night

    Saturday Night: A chance of rain before midnight, then a chance of drizzle between midnight and 3am, then a chance of drizzle or freezing rain after 3am. Cloudy, with a low around 30. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 30 °F

    Chance Rain
    then Chance
    Drizzle/Freezing
    Rain

  • Sunday

    Sunday: A chance of drizzle, snow, and freezing rain before noon, then a chance of snow. Mostly cloudy, with a high near 36. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 40%.

    High: 36 °F

    Chance Wintry
    Mix then
    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 7. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph.

    Low: 7 °F

    Chance Snow
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 14. Blustery, with a northwest wind around 20 mph, with gusts as high as 45 mph.

    High: 14 °F

    Mostly Sunny
    and Blustery

Detailed Forecast

Tonight
Snow, possibly mixed with sleet before 4am, then snow likely, possibly mixed with rain and sleet between 4am and 5am, then snow likely, possibly mixed with rain after 5am. Patchy fog after 2am. Steady temperature around 31. Breezy, with a southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow and sleet accumulation of 1 to 2 inches possible.
Friday
A chance of drizzle, snow, freezing rain, and sleet before 11am, then a slight chance of drizzle between 11am and noon. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a high near 36. South wind around 5 mph becoming north in the afternoon. Chance of precipitation is 50%. Little or no snow and sleet accumulation expected.
Friday Night
Mostly cloudy, with a low around 27. North wind around 5 mph becoming southeast after midnight.
Saturday
A slight chance of drizzle or freezing rain before 9am, then a chance of drizzle. Cloudy, with a high near 38. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A chance of rain before midnight, then a chance of drizzle between midnight and 3am, then a chance of drizzle or freezing rain after 3am. Cloudy, with a low around 30. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Sunday
A chance of drizzle, snow, and freezing rain before noon, then a chance of snow. Mostly cloudy, with a high near 36. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph.
Monday
Mostly sunny, with a high near 14. Blustery, with a northwest wind around 20 mph, with gusts as high as 45 mph.
Monday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 6. 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 20. West wind around 10 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 3. 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 11. Blustery, with a northwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around -2. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
New Year's Day
Mostly sunny, with a high near 11. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 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:
4:51 pm CST Dec 25, 2025
Forecast Valid:
8pm CST Dec 25, 2025-6pm CST Jan 1, 2026
 
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