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

22°F

-6°C

Humidity	85%
Wind Speed	Calm
Barometer	29.96 in (1016.5 mb)
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Last update	21 Jan 3:51 am CST

More Information:

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

Extended Forecast for

2 Miles NNW Winthrop Harbor IL

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

Winter Weather Advisory January 21, 04:37am until January 21, 06:00am

Click here for hazard details and duration

Extreme Cold Watch

Winter Weather Advisory

Winter Weather Advisory January 21, 04:37am until January 21, 06:00am
NOW until 6:00am Wed
Winter Weather Advisory
Overnight
Low: 21 °F
Heavy Snow
Wednesday
High: 26 °F
Snow Likely
then Slight
Chance Snow
Showers
Wednesday Night
Low: 10 °F
Snow Showers
and Patchy
Blowing Snow
Thursday
High: 20 °F
Mostly Sunny
then Slight
Chance Snow
Showers and
Breezy
Thursday Night
Low: -11 °F
Partly Cloudy
Friday
High: -3 °F
Slight Chance
Snow then
Mostly Sunny
Friday Night
Low: -10 °F
Mostly Cloudy
Saturday
High: 5 °F
Partly Sunny
then Slight
Chance Snow

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 21. South wind around 10 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

Snow likely before 10am, then a slight chance of snow showers after 5pm. Mostly cloudy, with a high near 26. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow showers, mainly before 10pm. Patchy blowing snow before 3am. Low around 10. Wind chill values between -5 and 5. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday

A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 20. Wind chill values between -5 and 5. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

Thursday Night

Partly cloudy, with a low around -11. West 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 -3. Northwest wind around 15 mph, with gusts as high as 30 mph.

Friday Night

Mostly cloudy, with a low around -10. Northwest wind around 10 mph.

Saturday

A 20 percent chance of snow after noon. Partly sunny and cold, with a high near 5. Northwest wind 5 to 10 mph.

Saturday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 0.

Sunday

A 30 percent chance of snow. Mostly cloudy, with a high near 13.