Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Light Snow and Breezy

18°F

-8°C

Humidity	81%
Wind Speed	W 22 G 40 mph
Barometer	29.63 in (1003.9 mb)
Dewpoint	13°F (-11°C)
Visibility	3.00 mi
Wind Chill	1°F (-17°C)
Last update	29 Dec 1:52 am CST

More Information:

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

Extended Forecast for

Crystal Lake IL

Winter Weather Advisory until December 29, 03:00pm

Wind Advisory December 29, 02:11am until December 29, 03:00pm

Click here for hazard details and duration

Winter Weather Advisory

Wind Advisory

Winter Weather Advisory until December 29, 03:00pm
Wind Advisory December 29, 02:11am until December 29, 03:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 17 °F
Snow Showers
and Areas
Blowing Snow
Monday
High: 20 °F
Snow Showers
and Areas
Blowing Snow
Monday Night
Low: 12 °F
Decreasing
Clouds
Tuesday
High: 27 °F
Mostly Sunny
then Slight
Chance Snow
Tuesday Night
Low: 22 °F
Mostly Cloudy
Wednesday
High: 30 °F
Cloudy then
Chance Snow
Wednesday Night
Low: 6 °F
Chance Snow
then Partly
Cloudy
New Year's Day
High: 16 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow showers. Areas of blowing snow. Low around 17. Wind chill values as low as -3. Windy, with a west wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

Monday

Snow showers, mainly before 8am, then scattered flurries after 9am. Areas of blowing snow. High near 20. Wind chill values as low as zero. Windy, with a northwest wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Monday Night

Cloudy, then gradually becoming partly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Tuesday

A 20 percent chance of snow after noon. Partly sunny, with a high near 27. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly cloudy, with a low around 22. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Wednesday

A 30 percent chance of snow after noon. Cloudy, with a high near 30.

Wednesday Night

A 30 percent chance of snow before midnight. Partly cloudy, with a low around 6.

New Year's Day

Mostly sunny, with a high near 16.

Thursday Night

Partly cloudy, with a low around 8.

Friday

Partly sunny, with a high near 22.