Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

71°F

22°C

Humidity 66%
Wind Speed S 8 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Aug 11:53 pm CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 66. South wind 5 to 10 mph.

    Low: 66 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 84. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 7pm.  Mostly clear, with a low around 66. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 66 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 66. South wind 5 to 10 mph.
Wednesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 84. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 66. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 80. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Mostly cloudy, with a low around 72.
Monday
Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
8:16 pm CDT Aug 25, 2026
12am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database