National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.

Pacific tropical moisture wrapping into a storm over the southwest U.S. will continue a multi-day heavy rainfall event this week that will extend into the Midwest and southern Plains. Considerable flash flooding is possible across portions of New Mexico and west Texas today through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

61°F

16°C

Humidity 81%
Wind Speed SW 6 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Sep 8:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 75. South southwest wind around 5 mph, with gusts as high as 10 mph.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly between noon and 3pm. Cloudy, with a high near 71. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Cloudy, with a low around 67. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 73. South southwest wind around 5 mph becoming west in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 61. Chance of precipitation is 90%.

    Low: 61 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 75. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tonight
Mostly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Showers likely, mainly between noon and 3pm. Cloudy, with a high near 71. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of showers. Cloudy, with a low around 67. South southwest wind around 10 mph, with gusts as high as 15 mph.
Thursday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 73. South southwest wind around 5 mph becoming west in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Thursday Night
Showers. Low around 61. Chance of precipitation is 90%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
9:01 am CDT Sep 29, 2026
Forecast Valid:
9am CDT Sep 29, 2026-6pm CDT Oct 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation