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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

4°F

-16°C

Humidity	66%
Wind Speed	W 12 mph
Barometer	30.34 in (1030.5 mb)
Dewpoint	-5°F (-21°C)
Visibility	10.00 mi
Wind Chill	-12°F (-24°C)
Last update	20 Jan 8:51 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

Winter Weather Advisory January 20, 09:00pm until January 21, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 19 °F
Increasing
Clouds
Tonight
Low: 15 °F
Snow Likely
then Heavy
Snow
Wednesday
High: 26 °F
Chance Snow
then Mostly
Cloudy
Wednesday Night
Low: 10 °F
Breezy.
Chance Snow
Showers then
Mostly Cloudy
Thursday
High: 18 °F
Mostly Sunny
Thursday Night
Low: -9 °F
Partly Cloudy
Friday
High: 0 °F
Mostly Sunny
then Slight
Chance Snow
Friday Night
Low: -9 °F
Partly Cloudy
then Slight
Chance Snow
Saturday
High: 7 °F
Slight Chance
Snow

Detailed Forecast

Today

Increasing clouds, with a high near 19. Wind chill values between -10 and zero. West wind around 10 mph.

Tonight

Snow, mainly after 11pm. The snow could be heavy at times. Low around 15. South wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday

A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a high near 26. West wind 10 to 15 mph.

Wednesday Night

A 50 percent chance of snow showers before midnight. Mostly cloudy, with a low around 10. Wind chill values between -5 and 5. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

Thursday

Mostly sunny, with a high near 18. West wind around 15 mph, with gusts as high as 25 mph.

Thursday Night

Partly cloudy, with a low around -9. West wind 10 to 15 mph.

Friday

A 20 percent chance of snow after noon. Mostly sunny and cold, with a high near 0. Northwest wind 10 to 15 mph.

Friday Night

A 20 percent chance of snow after midnight. Partly cloudy, with a low around -9. Northwest wind around 10 mph.

Saturday

A 20 percent chance of snow. Mostly cloudy and cold, with a high near 7.

Saturday Night

A 30 percent chance of snow. Mostly cloudy, with a low around -1.