Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Light Snow

25°F

-4°C

Humidity	100%
Wind Speed	N 17 G 25 mph
Barometer	29.60 in
Dewpoint	25°F (-4°C)
Visibility	5.00 mi
Wind Chill	12°F (-11°C)
Last update	10 Dec 6:35 am CST

More Information:

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

Extended Forecast for

Fort Atkinson IA

Winter Weather Advisory December 10, 06:42am until December 10, 08:00am

Click here for hazard details and duration

...

Winter Weather Advisory December 10, 06:42am until December 10, 08:00am
NOW until 8:00am Wed
Winter Weather Advisory
Today
High: 26 °F⇓
Chance Snow
and Blustery
Tonight
Low: 7 °F
Mostly Cloudy
Thursday
High: 20 °F
Partly Sunny
then Snow
Likely
Thursday Night
Low: 9 °F
Snow Likely
then Chance
Snow
Friday
High: 19 °F
Partly Sunny
Friday Night
Low: -3 °F
Mostly Cloudy
Saturday
High: 5 °F
Chance Snow
Saturday Night
Low: -14 °F
Partly Cloudy

Detailed Forecast

Today

A chance of snow with scattered flurries before 1pm, then a slight chance of snow between 1pm and 5pm. Cloudy, with a temperature falling to around 20 by 5pm. Blustery, with a northwest wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

Tonight

Mostly cloudy, with a low around 7. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.

Thursday

Snow likely after noon. Increasing clouds, with a high near 20. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 9. Southeast wind around 6 mph becoming north after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday

Partly sunny, with a high near 19. Northwest wind 6 to 15 mph, with gusts as high as 23 mph.

Friday Night

Mostly cloudy, with a low around -3. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

Saturday

A 50 percent chance of snow. Mostly cloudy and cold, with a high near 5. Northwest wind 8 to 10 mph.

Saturday Night

Partly cloudy, with a low around -14. Northwest wind around 8 mph.

Sunday

Sunny and cold, with a high near 1. Northwest wind around 7 mph becoming south in the afternoon.

Sunday Night

Partly cloudy, with a low around -8. South wind 6 to 11 mph, with gusts as high as 20 mph.