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

Hazardous Weather Outlook

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Overcast

21°F

-6°C

Humidity	92%
Wind Speed	NE 9 mph
Barometer	30.05 in (1019.2 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	11°F (-12°C)
Last update	20 Jan 11:56 pm CST

More Information:

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

Extended Forecast for

De Witt IA

Overnight
Low: 18 °F
Snow Likely
Wednesday
High: 30 °F
Mostly Sunny
then Chance
Snow
Wednesday Night
Low: 10 °F
Chance Snow
and Patchy
Blowing Snow
then Mostly
Clear
Thursday
High: 21 °F
Mostly Sunny
Thursday Night
Low: -10 °F
Partly Cloudy
Friday
High: -3 °F
Cold
Friday Night
Low: -10 °F
Mostly Cloudy
Saturday
High: 5 °F
Cold
Saturday Night
Low: -3 °F
Mostly Cloudy

Detailed Forecast

Overnight

Snow likely, mainly before 3am. Cloudy, with a steady temperature around 18. East wind 5 to 10 mph becoming west. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

Wednesday

A 40 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 30. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday Night

A chance of snow before 10pm, then a chance of flurries between 10pm and 11pm. Patchy blowing snow between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Wind chill values as low as -5. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 21. Wind chill values as low as -5. West wind around 10 mph, with gusts as high as 20 mph.

Thursday Night

Partly cloudy, with a low around -10.

Friday

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

Friday Night

Mostly cloudy, with a low around -10.

Saturday

Mostly cloudy and cold, with a high near 5.

Saturday Night

Mostly cloudy, with a low around -3.