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.

Overcast

67°F

19°C

Humidity 57%
Wind Speed S 15 G 26 mph
Barometer 29.78 in (1008.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 May 12:53 am CDT
Extended Forecast for

Forest Park IL

  • Overnight

    Overnight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 63. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 63. Southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 86. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 86 °F

    Chance
    Showers then
    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. Breezy. Chance of precipitation is 80%.

    High: 86 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Breezy.

    High: 83 °F

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 63. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 63. Southeast wind around 5 mph, with gusts as high as 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 86. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 69. South wind around 15 mph, with gusts as high as 25 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. Breezy. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Breezy.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forest Park IL
 41.86°N 87.82°W
Last Update:
12:26 am CDT May 16, 2026
Forecast Valid:
1am CDT May 16, 2026-6pm CDT May 22, 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