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, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

3°F

-16°C

Humidity	72%
Wind Speed	N 6 mph
Barometer	30.35 in (1030.0 mb)
Dewpoint	-4°F (-20°C)
Visibility	NA
Wind Chill	-8°F (-22°C)
Last update	8 Dec 2:56 am CST

More Information:

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

Extended Forecast for

Grand Marais MN

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

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 4 °F
Mostly Cloudy
Monday
High: 25 °F
Chance Snow
then Snow
Likely and
Breezy
Monday Night
Low: 18 °F
Heavy Snow
and Breezy
then Snow
Likely
Tuesday
High: 27 °F
Mostly Sunny
then Chance
Snow
Tuesday Night
Low: 10 °F
Snow Likely
then Chance
Snow
Wednesday
High: 20 °F
Slight Chance
Snow then
Mostly Sunny
Wednesday Night
Low: 5 °F
Partly Cloudy
Thursday
High: 21 °F
Partly Sunny
Thursday Night
Low: 5 °F
Chance Snow

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 4. West wind around 5 mph.

Monday

A chance of flurries before 7am, then snow likely, mainly after 4pm. Mostly cloudy, with a high near 25. Breezy, with a west wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Monday Night

Snow, mainly before 1am. The snow could be heavy at times. Low around 18. Breezy, with a southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Tuesday

A 40 percent chance of snow, mainly after 5pm. Partly sunny, with a high near 27. Northwest wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

Snow likely, mainly between 9pm and midnight. Mostly cloudy, with a low around 10. Northeast wind 5 to 10 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Wednesday

A 20 percent chance of snow before noon. Mostly sunny, with a high near 20. Northwest wind around 10 mph, with gusts as high as 30 mph.

Wednesday Night

Partly cloudy, with a low around 5. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

Partly sunny, with a high near 21. Northwest wind around 5 mph, with gusts as high as 15 mph.

Thursday Night

A chance of snow, mainly after midnight. Mostly cloudy, with a low around 5. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday

A chance of snow. Partly sunny, with a high near 16. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Friday Night

Mostly cloudy, with a low around -2. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Saturday

Mostly sunny, with a high near 13. Northwest wind around 10 mph, with gusts as high as 25 mph.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around -1. Northwest wind around 5 mph, with gusts as high as 15 mph.

Sunday

A slight chance of snow. Partly sunny, with a high near 19. Northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.