Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Overcast

18°F

-8°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.14 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 24 Dec 6:55 am CST
Extended Forecast for

12 Miles WNW Grand Marais/Cook County Airport MN

  • Today

    Today: A slight chance of snow before 10am, then a chance of flurries between 10am and 11am.  Mostly cloudy, with a high near 29. South wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 4. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Partly Cloudy

  • Christmas Day

    Christmas Day: A chance of flurries before noon, then snow likely, mainly after 5pm.  Mostly cloudy, with a high near 23. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Mostly Cloudy
    then Snow
    Likely

  • Thursday Night

    Thursday Night: Snow.  Low around 17. Breezy, with a southeast wind 5 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 17 °F

    Snow and
    Breezy

  • Friday

    Friday: A 50 percent chance of snow before noon.  Mostly cloudy, with a high near 32. Southeast wind around 5 mph becoming calm  in the morning. Winds could gust as high as 15 mph.  New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Calm wind becoming south around 5 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow.  Cloudy, with a high near 34. Southeast wind around 5 mph, with gusts as high as 15 mph.

    High: 34 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of snow.  Mostly cloudy, with a low around 5. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 5 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow.  Cloudy, with a high near 14. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 40 mph.

    High: 14 °F

    Chance Snow
    and Blustery

Detailed Forecast

Today
A slight chance of snow before 10am, then a chance of flurries between 10am and 11am. Mostly cloudy, with a high near 29. South wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 4. North wind 5 to 10 mph, with gusts as high as 20 mph.
Christmas Day
A chance of flurries before noon, then snow likely, mainly after 5pm. Mostly cloudy, with a high near 23. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow. Low around 17. Breezy, with a southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
A 50 percent chance of snow before noon. Mostly cloudy, with a high near 32. Southeast wind around 5 mph becoming calm in the morning. Winds could gust as high as 15 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 23. Calm wind becoming south around 5 mph after midnight.
Saturday
A chance of rain and snow. Cloudy, with a high near 34. Southeast wind around 5 mph, with gusts as high as 15 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 5. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph.
Sunday
A chance of snow. Cloudy, with a high near 14. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 40 mph.
Sunday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around -7. Blustery, with a northwest wind around 15 mph, with gusts as high as 40 mph.
Monday
Mostly sunny and cold, with a high near 3. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around -8. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 12. West wind 5 to 10 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Grand Marais/Cook County Airport MN
 47.9°N 90.6°W
6:56 am CST Dec 24, 2025
7am CST Dec 24, 2025-6pm CST Dec 30, 2025
 
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