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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

26°F

-3°C

Humidity	69%
Wind Speed	W 10 G 26 mph
Barometer	29.87 in (1013.0 mb)
Dewpoint	17°F (-8°C)
Visibility	10.00 mi
Wind Chill	16°F (-9°C)
Last update	21 Jan 12:51 pm CST

More Information:

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

Extended Forecast for

Winthrop Harbor IL

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

Click here for hazard details and duration

Extreme Cold Watch

This Afternoon
High: 28 °F
Partly Sunny
Tonight
Low: 11 °F
Snow Likely
and Patchy
Blowing Snow
Thursday
High: 22 °F
Mostly Sunny
then Slight
Chance Snow
Thursday Night
Low: -11 °F
Partly Cloudy
Friday
High: -2 °F
Slight Chance
Snow then
Mostly Sunny
Friday Night
Low: -11 °F
Mostly Cloudy
then Slight
Chance Snow
Saturday
High: 9 °F
Chance Snow
Saturday Night
Low: 5 °F
Chance Snow
Sunday
High: 17 °F
Chance Snow

Detailed Forecast

This Afternoon

Partly sunny, with a high near 28. West wind around 15 mph, with gusts as high as 30 mph.

Tonight

Snow likely, mainly before 9pm. Patchy blowing snow between 9pm and 1am. Cloudy, then gradual clearing toward daybreak, with a low around 11. Wind chill values between zero and 5. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Thursday

A chance of flurries between 9am and 3pm, then a slight chance of snow after 3pm. Mostly sunny, with a high near 22. Wind chill values between -5 and 5. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Thursday Night

Partly cloudy, with a low around -11. Wind chill values between -20 and -30. Northwest wind around 15 mph, with gusts as high as 30 mph.

Friday

A 20 percent chance of snow before noon. Mostly sunny and cold, with a high near -2. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Friday Night

A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -11. Northwest wind around 10 mph.

Saturday

A 40 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 9. Northwest wind 5 to 10 mph.

Saturday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 5. Northwest wind 5 to 10 mph.

Sunday

A 40 percent chance of snow. Mostly cloudy, with a high near 17.