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, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Light Rain Fog/Mist

54°F

12°C

Humidity	100%
Wind Speed	SE 9 mph
Barometer	29.35 in (993.9 mb)
Dewpoint	54°F (12°C)
Visibility	2.50 mi
Wind Chill	51°F (11°C)
Last update	28 Dec 2:53 pm CST

More Information:

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

Extended Forecast for

Westmont IL

Wind Advisory December 28, 06:00pm until December 29, 03:00pm

Click here for hazard details and duration

Wind Advisory

This Afternoon
High: 56 °F
Rain Likely
and Patchy
Fog
Tonight
Low: 19 °F
Windy. Cloudy
then Snow
Showers
Likely
Monday
High: 24 °F
Chance Snow
Showers and
Windy
Monday Night
Low: 14 °F
Partly Cloudy
and Blustery
then Partly
Cloudy
Tuesday
High: 29 °F
Partly Sunny
Tuesday Night
Low: 25 °F
Mostly Cloudy
Wednesday
High: 32 °F
Mostly Cloudy
then Slight
Chance Snow
Wednesday Night
Low: 16 °F
Chance Snow
then Mostly
Cloudy
New Year's Day
High: 21 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Rain likely and possibly a thunderstorm before 5pm, then a slight chance of rain and thunderstorms after 5pm. Patchy fog. Otherwise, cloudy, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Snow showers likely, mainly after 3am. Cloudy, with a low around 19. Wind chill values as low as -1. Windy, with a west wind 20 to 25 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday

A 50 percent chance of snow showers before noon. Mostly cloudy, with a high near 24. Wind chill values as low as zero. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 45 mph.

Monday Night

Partly cloudy, with a low around 14. Wind chill values as low as -1. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

Tuesday

Partly sunny, with a high near 29. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly cloudy, with a low around 25.

Wednesday

A 20 percent chance of snow after noon. Mostly cloudy, with a high near 32.

Wednesday Night

A chance of snow before midnight. Mostly cloudy, with a low around 16.

New Year's Day

Mostly sunny, with a high near 21.