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 >

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

23°F

-5°C

Humidity 74%
Wind Speed Vrbl 3 mph
Barometer 30.20 in (1024.4 mb)
Dewpoint 16°F (-9°C)
Visibility NA
Last update 24 Dec 9:56 pm CST
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: A chance of snow, mainly before 1am, then a chance of flurries after 4am. Partly cloudy, with a low around 16. Southeast wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 16 °F

    Chance Snow

  • Christmas Day

    Christmas Day: A 50 percent chance of snow, mainly after 2pm. Mostly cloudy, with a high near 29. 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. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Breezy.
    Slight Chance
    Snow then
    Chance Snow

  • Thursday Night

    Thursday Night: Snow before 3am, then snow, possibly mixed with sleet. Temperature rising to around 32 by 4am. 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 90%. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 28 °F⇑

    Breezy. Snow
    Likely then
    Snow/Sleet

  • Friday

    Friday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 36. Southeast wind around 5 mph becoming calm in the morning. Winds could gust as high as 15 mph.

    High: 36 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.

    Low: 31 °F

    Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after noon. Cloudy, with a high near 38. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 38 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Cloudy, with a low around 27. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 33 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 8. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 50 mph.

    Low: 8 °F

    Chance Snow
    and Windy

Detailed Forecast

Tonight
A chance of snow, mainly before 1am, then a chance of flurries after 4am. Partly cloudy, with a low around 16. Southeast wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Christmas Day
A 50 percent chance of snow, mainly after 2pm. Mostly cloudy, with a high near 29. 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. New snow accumulation of less than a half inch possible.
Thursday Night
Snow before 3am, then snow, possibly mixed with sleet. Temperature rising to around 32 by 4am. 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 90%. New snow and sleet accumulation of 1 to 3 inches possible.
Friday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 36. Southeast wind around 5 mph becoming calm in the morning. Winds could gust as high as 15 mph.
Friday Night
Cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Saturday
A 30 percent chance of rain, mainly after noon. Cloudy, with a high near 38. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A chance of rain. Cloudy, with a low around 27. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Sunday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 10 to 15 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 8. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 50 mph.
Monday
Mostly sunny, with a high near 14. Windy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 7. 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 24. Breezy, with a west wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 3. Blustery, with a northwest wind around 15 mph, with gusts as high as 35 mph.
Wednesday
A chance of snow. Mostly sunny, with a high near 12. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 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:
9:36 pm CST Dec 24, 2025
Forecast Valid:
10pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
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