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

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

46°F

8°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 30.40 in (1029.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Oct 6:53 am CDT
Extended Forecast for

5 Miles NE Chicago IL

Dense Fog Advisory October 20, 07:39am until October 20, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory October 20, 07:39am until October 20, 10:00am

    NOW until 10:00am Tue

    Dense Fog Advisory

  • Today

    High: 65 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 48. East northeast wind around 5 mph becoming south after midnight.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 66. South southwest wind around 5 mph becoming calm.

    High: 66 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Today
Patchy dense fog before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming east northeast around 5 mph in the afternoon.
Tonight
Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 48. East northeast wind around 5 mph becoming south after midnight.
Wednesday
Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 66. South southwest wind around 5 mph becoming calm.
Wednesday Night
Partly cloudy, with a low around 52. Calm wind.
Thursday
Sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Chicago IL
 41.88°N 87.62°W
Last Update:
5:46 am CDT Oct 20, 2026
Forecast Valid:
7am CDT Oct 20, 2026-6pm CDT Oct 26, 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