Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South. Read More >

Hazardous Weather Conditions

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Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Light Snow Fog/Mist

26°F

-3°C

Humidity	84%
Wind Speed	NE 20 mph
Barometer	30.01 in (1017.7 mb)
Dewpoint	22°F (-6°C)
Visibility	2.00 mi
Wind Chill	12°F (-11°C)
Last update	19 Jan 11:53 am CST

More Information:

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

Extended Forecast for

Chicago ILSimilar City Names

Lakeshore Flood Advisory until January 20, 09:00am

Click here for hazard details and duration

Lakeshore Flood Advisory

Lakeshore Flood Advisory until January 20, 09:00am

NOW until
9:00am Sun

Lakeshore Flood Advisory
This
Afternoon

Snow and
Patchy
Blowing Snow
High: 27 °F
Tonight

Snow Showers
and Patchy
Blowing Snow
Low: 14 °F
Sunday

Snow Showers
then Chance
Snow Showers
High: 18 °F
Sunday
Night

Slight Chance
Snow
Low: 8 °F
M.L.King
Day

Mostly Sunny
High: 18 °F
Monday
Night

Mostly Cloudy
Low: 15 °F
Tuesday

Slight Chance
Snow then
Rain/Snow
High: 37 °F
Tuesday
Night

Rain/Snow
Low: 23 °F

Detailed Forecast

This Afternoon

Snow, mainly before 2pm. Patchy blowing snow. High near 27. Windy, with a north northeast wind 25 to 30 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow showers. Patchy blowing snow before midnight. Low around 14. Wind chill values as low as 1. Windy, with a north wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Sunday

Snow showers, mainly before 9am. High near 18. Wind chill values as low as zero. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Sunday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 8. Wind chill values as low as zero. Northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

M.L.King Day

Mostly sunny, with a high near 18. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

Mostly cloudy, with a low around 15.

Tuesday

Snow before 2pm, then rain and snow between 2pm and 4pm, then rain after 4pm. High near 37. Chance of precipitation is 90%.

Tuesday Night

Rain before 10pm, then rain and snow between 10pm and 1am, then a slight chance of snow after 1am. Cloudy, with a low around 23.

Wednesday

Partly sunny, with a high near 27.

Wednesday Night

Partly cloudy, with a low around 17.