Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 8, 09:00 AM CST until December 9, 06:00 AM CST

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Fair

-2°F

-19°C

Humidity	84%
Wind Speed	N 7 mph
Barometer	30.21 in
Dewpoint	-6°F (-21°C)
Visibility	10.00 mi
Wind Chill	-15°F (-26°C)
Last update	7 Dec 6:15 pm CST

More Information:

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

Extended Forecast for

Grand Portage MN

Winter Weather Advisory December 8, 09:00am until December 9, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 0 °F
Increasing
Clouds
Monday
High: 23 °F
Chance Snow
Monday Night
Low: 14 °F
Snow
Tuesday
High: 24 °F
Chance Snow
Tuesday Night
Low: 9 °F
Chance Snow
and Blustery
Wednesday
High: 18 °F
Slight Chance
Snow and
Blustery then
Mostly Sunny
Wednesday Night
Low: 6 °F
Mostly Cloudy
Thursday
High: 20 °F
Mostly Sunny
then Slight
Chance Snow
Thursday Night
Low: 7 °F
Slight Chance
Snow

Detailed Forecast

Tonight

Increasing clouds, with a low around 0. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

Monday

A 40 percent chance of snow after noon. Mostly cloudy, with a high near 23. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

Monday Night

Snow. Low around 14. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Tuesday

A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 24. Northwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

Tuesday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 9. Blustery, with a northeast wind 5 to 15 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.

Wednesday

A 20 percent chance of snow before noon. Mostly sunny, with a high near 18. Blustery, with a north wind 10 to 15 mph, with gusts as high as 30 mph.

Wednesday Night

Mostly cloudy, with a low around 6. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

Thursday

A slight chance of snow after noon. Mostly sunny, with a high near 20. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday Night

A slight chance of snow. Mostly cloudy, with a low around 7. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

Friday

A slight chance of snow. Mostly cloudy, with a high near 15. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Friday Night

Mostly cloudy, with a low around 0. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 35 mph.