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.

Fog/Mist

44°F

7°C

Humidity 100%
Wind Speed N 7 mph
Barometer 29.98 in (1016.0 mb)
Dewpoint 44°F (7°C)
Visibility 3.00 mi
Wind Chill40°F (4°C)
Last update 5 Mar 11:53 am CST
Extended Forecast for

Chicago IL

Dense Fog Advisory March 5, 12:05pm until March 5, 03:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 12:05pm until March 5, 03:00pm

    NOW until 3:00pm Thu

    Dense Fog Advisory

  • This Afternoon

    High: 40 °F

    Slight Chance
    Drizzle and
    Areas Dense
    Fog

  • Tonight

    Tonight: Widespread fog, mainly after 9pm. Otherwise, cloudy, with a low around 40. North northeast wind around 5 mph becoming southeast after midnight.

    Low: 40 °F

    Fog

  • Friday

    Friday: Showers likely and possibly a thunderstorm before noon, then a slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Widespread fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 68. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely and
    Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Chance
    T-storms then
    Showers and
    Breezy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 60. Breezy, with a southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 60 °F

    Breezy.
    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A slight chance of drizzle before 2pm. Areas of dense fog. Otherwise, cloudy, with a high near 40. North wind around 5 mph.
Tonight
Widespread fog, mainly after 9pm. Otherwise, cloudy, with a low around 40. North northeast wind around 5 mph becoming southeast after midnight.
Friday
Showers likely and possibly a thunderstorm before noon, then a slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Widespread fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 68. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 60. Breezy, with a southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Showers likely. Mostly cloudy, with a high near 64.
Tuesday Night
Showers. Cloudy, with a low around 43. Breezy.
Wednesday
Rain likely. Mostly cloudy, with a high near 51. Breezy.
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:
11:56 am CST Mar 5, 2026
Forecast Valid:
12pm CST Mar 5, 2026-6pm CDT Mar 11, 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