Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog/Mist

41°F

5°C

Humidity	96%
Wind Speed	E 8 mph
Barometer	29.78 in (1009.1 mb)
Dewpoint	40°F (4°C)
Visibility	0.75 mi
Wind Chill	36°F (2°C)
Last update	27 Dec 11:51 pm CST

More Information:

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

Extended Forecast for

Round Lake Heights IL

Wind Advisory December 28, 06:00pm until December 29, 06:00pm

Click here for hazard details and duration

Wind Advisory

Overnight
Low: 44 °F
Areas Drizzle
and Fog
Sunday
High: 54 °F
Showers and
Areas Fog
Sunday Night
Low: 19 °F
Windy.
Rain/Snow
then Snow
Monday
High: 24 °F
Snow Likely
and Windy
then Mostly
Cloudy and
Blustery
Monday Night
Low: 10 °F
Mostly Cloudy
and Blustery
then Partly
Cloudy
Tuesday
High: 26 °F
Partly Sunny
Tuesday Night
Low: 21 °F
Mostly Cloudy
Wednesday
High: 30 °F
Mostly Cloudy
Wednesday Night
Low: 11 °F
Chance Snow
then Mostly
Cloudy

Detailed Forecast

Overnight

Areas of drizzle with scattered showers. Widespread fog, mainly after 1am. Otherwise, cloudy, with a steady temperature around 44. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.

Sunday

Showers. Areas of fog before noon. High near 54. Southeast wind 5 to 10 mph becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday Night

Rain before 8pm, then rain and snow between 8pm and 9pm, then snow after 9pm. Low around 19. Wind chill values as low as -1. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Monday

Snow likely before noon. Mostly cloudy, with a high near 24. Wind chill values as low as -2. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 10. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Tuesday

Partly sunny, with a high near 26.

Tuesday Night

Mostly cloudy, with a low around 21.

Wednesday

Mostly cloudy, with a high near 30.

Wednesday Night

A chance of snow before midnight. Mostly cloudy, with a low around 11.

New Year's Day

Mostly sunny, with a high near 19.