Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

27°F

-3°C

Humidity	81%
Wind Speed	W 7 mph
Barometer	30.04 in (1018.0 mb)
Dewpoint	22°F (-6°C)
Visibility	10.00 mi
Wind Chill	19°F (-7°C)
Last update	11 Dec 5:54 am CST

More Information:

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

Extended Forecast for

3 Miles W Atwood IL

Winter Weather Advisory December 11, 03:00pm until December 12, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 29 °F
Cloudy then
Snow Likely
Tonight
Low: 25 °F
Wintry Mix
then Snow
Likely
Friday
High: 32 °F
Mostly Cloudy
Friday Night
Low: 13 °F
Mostly Cloudy
Saturday
High: 17 °F
Chance Snow
then Snow
Saturday Night
Low: -8 °F
Chance Snow
then Mostly
Clear
Sunday
High: 4 °F
Cold
Sunday Night
Low: -8 °F
Mostly Clear
Monday
High: 25 °F
Sunny

Detailed Forecast

Today

Snow likely, mainly after 5pm. Cloudy, with a high near 29. West northwest wind 6 to 8 mph becoming south southeast in the afternoon. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow, possibly mixed with freezing rain, becoming all snow after 11pm. Low around 25. South southeast wind 6 to 9 mph becoming northeast after midnight. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 2 to 4 inches possible.

Friday

Mostly cloudy, with a high near 32. North northeast wind 8 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 16 mph.

Friday Night

Mostly cloudy, with a low around 13. Wind chill values between 2 and 7. West northwest wind 9 to 11 mph, with gusts as high as 16 mph.

Saturday

Snow, mainly after noon. High near 17. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 30 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around -8. Northwest wind around 11 mph, with gusts as high as 16 mph.

Sunday

Sunny and cold, with a high near 4. Northwest wind 6 to 11 mph, with gusts as high as 16 mph.

Sunday Night

Mostly clear, with a low around -8.

Monday

Sunny, with a high near 25.

Monday Night

Partly cloudy, with a low around 13.

Tuesday

Mostly sunny, with a high near 35.

Tuesday Night

Mostly cloudy, with a low around 27.