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/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Overcast

19°F

-7°C

Humidity	100%
Wind Speed	S 3 mph
Barometer	30.12 in
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Last update	24 Dec 8:35 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles WNW Grand Portage MN

Today
High: 31 °F
Slight Chance
Snow then
Partly Sunny
Tonight
Low: 5 °F
Partly Cloudy
Christmas Day
High: 25 °F
Slight Chance
Snow then
Heavy Snow
Thursday Night
Low: 18 °F
Heavy Snow
Friday
High: 33 °F
Snow Likely
then Slight
Chance Snow
Friday Night
Low: 24 °F
Mostly Cloudy
Saturday
High: 35 °F
Chance
Rain/Snow
Saturday Night
Low: 10 °F
Chance Snow
Sunday
High: 19 °F
Chance Snow
and Blustery

Detailed Forecast

Today

A slight chance of snow before 11am, then a chance of flurries between 11am and noon. Mostly cloudy, with a high near 31. Southwest 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 5. North wind around 5 mph, with gusts as high as 20 mph.

Christmas Day

Snow likely, mainly after 5pm. The snow could be heavy at times. Cloudy, with a high near 25. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 18. Southeast wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday

Snow likely, mainly before noon. Mostly cloudy, with a high near 33. Southeast wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Friday Night

Mostly cloudy, with a low around 24. Southwest wind around 5 mph becoming calm.

Saturday

A chance of rain and snow, mainly after noon. Mostly cloudy, with a high near 35. South wind around 5 mph, with gusts as high as 15 mph.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 10. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 30 mph.

Sunday

A chance of snow. Mostly cloudy, with a high near 19. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 45 mph.

Sunday Night

A slight chance of snow before midnight. Mostly cloudy, with a low around -3. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 45 mph.

Monday

Mostly sunny, with a high near 7. Blustery, with a northwest wind around 15 mph, with gusts as high as 40 mph.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around -4. Northwest wind 5 to 10 mph, with gusts as high as 30 mph.

Tuesday

A chance of snow. Mostly cloudy, with a high near 15. West wind 5 to 10 mph, with gusts as high as 25 mph.