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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

A Few Clouds

89°F

32°C

Humidity 52%
Wind Speed SW 17 G 30 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 9 Aug 11:51 am CDT
Extended Forecast for

Des Plaines IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 94. Heat index values as high as 99. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 96. South southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 5 to 10 mph.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Heat index values as high as 99. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 96. South southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 5 to 10 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
Mostly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A chance of showers. Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Des Plaines IL
 42.04°N 87.9°W
Last Update:
11:27 am CDT Aug 9, 2025
Forecast Valid:
12pm CDT Aug 9, 2025-6pm CDT Aug 15, 2025
 
Forecast Discussion
 
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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