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.

Mostly Cloudy

77°F

25°C

Humidity 79%
Wind Speed E 8 mph
Barometer 30.08 in (1017.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Aug 12:53 pm CDT
Extended Forecast for

Oak Forest IL

Flood Watch August 14, 10:00pm until August 15, 10:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 79. East northeast wind around 10 mph.

    High: 79 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 70. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. High near 85. Heat index values as high as 95. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 85 °F

    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 73. South southwest wind 5 to 10 mph.

    Low: 73 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 79. East northeast wind around 10 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 70. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. High near 85. Heat index values as high as 95. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 73. South southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. West northwest wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oak Forest IL
 41.6°N 87.75°W
Last Update:
1:21 pm CDT Aug 14, 2026
Forecast Valid:
1pm CDT Aug 14, 2026-6pm CDT Aug 20, 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