Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Overcast

21°F

-6°C

Humidity	96%
Wind Speed	NE 8 mph
Barometer	29.97 in (1016.3 mb)
Dewpoint	20°F (-7°C)
Visibility	10.00 mi
Wind Chill	11°F (-12°C)
Last update	21 Jan 2:56 am CST

More Information:

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

Extended Forecast for

Thomson IL

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm

Winter Weather Advisory January 21, 05:00pm until January 22, 12:00am

Click here for hazard details and duration

Extreme Cold Watch

Winter Weather Advisory

Overnight
Low: 19 °F
Snow Likely
Wednesday
High: 29 °F
Mostly Cloudy
then Chance
Snow Showers
Wednesday Night
Low: 10 °F
Chance Snow
Showers and
Patchy
Blowing Snow
Thursday
High: 22 °F
Mostly Sunny
then Slight
Chance Snow
Showers
Thursday Night
Low: -11 °F
Mostly Cloudy
Friday
High: -3 °F
Cold
Friday Night
Low: -12 °F
Mostly Cloudy
Saturday
High: 3 °F
Cold
Saturday Night
Low: -3 °F
Mostly Cloudy

Detailed Forecast

Overnight

Snow likely, mainly before 4am. Cloudy, with a low around 19. East wind around 5 mph becoming northwest. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

Wednesday

A 50 percent chance of snow showers after 4pm. Increasing clouds, with a high near 29. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. New snow accumulation of less than a half inch possible.

Wednesday Night

A 40 percent chance of snow showers, mainly before 8pm. Patchy blowing snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Wind chill values as low as -5. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.

Thursday

A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 22. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Night

Mostly cloudy, with a low around -11.

Friday

Mostly sunny and cold, with a high near -3.

Friday Night

Mostly cloudy, with a low around -12.

Saturday

Mostly cloudy and cold, with a high near 3.

Saturday Night

Mostly cloudy, with a low around -3.

Sunday

Partly sunny, with a high near 12.