Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

14°F

-10°C

Humidity	64%
Wind Speed	W 8 mph
Barometer	30.22 in (1025.1 mb)
Dewpoint	4°F (-16°C)
Visibility	10.00 mi
Wind Chill	3°F (-16°C)
Last update	30 Dec 9:53 am CST

More Information:

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

Extended Forecast for

Summit IL

Today
High: 24 °F
Mostly Cloudy
then Snow
Likely
Tonight
Low: 23 °F⇑
Snow then
Mostly Cloudy
Wednesday
High: 32 °F
Mostly Cloudy
then Snow
Likely and
Breezy
Wednesday Night
Low: 11 °F
Chance Snow
then Mostly
Clear
New Year's Day
High: 22 °F
Partly Sunny
Thursday Night
Low: 16 °F
Partly Cloudy
Friday
High: 28 °F
Partly Sunny
Friday Night
Low: 18 °F
Mostly Cloudy
Saturday
High: 29 °F
Partly Sunny

Detailed Forecast

Today

A chance of flurries between 1pm and 2pm, then snow likely after 2pm. Cloudy, with a high near 24. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow, mainly before 9pm. Temperature rising to around 27 by 11pm. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Wednesday

Snow likely after noon. Cloudy, with a high near 32. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Wednesday Night

A 30 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 11. Wind chill values as low as zero. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

New Year's Day

Partly sunny, with a high near 22. West wind 5 to 10 mph.

Thursday Night

Partly cloudy, with a low around 16.

Friday

Partly sunny, with a high near 28.

Friday Night

Mostly cloudy, with a low around 18.

Saturday

Partly sunny, with a high near 29.

Saturday Night

Mostly cloudy, with a low around 22.