Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

27°F

-3°C

Humidity	75%
Wind Speed	W 13 mph
Barometer	30.12 in (1021.5 mb)
Dewpoint	20°F (-7°C)
Visibility	10.00 mi
Wind Chill	16°F (-9°C)
Last update	12 Jan 6:51 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

Today
High: 42 °F
Sunny
Tonight
Low: 34 °F
Partly Cloudy
then Slight
Chance Rain
Tuesday
High: 46 °F
Slight Chance
Rain
Tuesday Night
Low: 25 °F
Mostly Cloudy
then Slight
Chance
Rain/Snow
Wednesday
High: 32 °F
Windy. Snow
Likely then
Chance Snow
Wednesday Night
Low: 15 °F
Chance Snow
and Windy
Thursday
High: 25 °F
Slight Chance
Snow
Thursday Night
Low: 20 °F
Chance Snow
Friday
High: 32 °F
Snow Likely

Detailed Forecast

Today

Sunny, with a high near 42. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

Tonight

A 20 percent chance of rain after 5am. Increasing clouds, with a low around 34. Southwest wind 10 to 15 mph.

Tuesday

A 20 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind around 15 mph, with gusts as high as 25 mph.

Tuesday Night

A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 25. West wind 10 to 15 mph. Chance of precipitation is 20%.

Wednesday

Snow likely, mainly before noon. Mostly cloudy, with a high near 32. Windy, with a north wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Wednesday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 15. Windy, with a north wind 15 to 25 mph, with gusts as high as 30 mph.

Thursday

A 20 percent chance of snow. Mostly sunny, with a high near 25. Northwest wind 5 to 15 mph becoming west in the afternoon.

Thursday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 20. Southwest wind 5 to 10 mph.

Friday

Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 17.

Saturday

A 40 percent chance of snow. Mostly cloudy, with a high near 23.