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

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Partly Cloudy

73°F

23°C

Humidity 51%
Wind Speed SE 3 mph
Barometer 30.14 in (1020.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Aug 9:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: Mostly sunny, with a high near 79. South southeast wind around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 66. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 83. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 67. West northwest wind 5 to 10 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. North northeast wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. South southeast wind around 5 mph.
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 66. South southwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 83. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 67. West northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 78. North northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 85.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 72.
Monday
A chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
9:31 am CDT Aug 25, 2026
Forecast Valid:
10am CDT Aug 25, 2026-6pm CDT Aug 31, 2026
 
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