Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Partly Cloudy

79°F

26°C

Humidity 65%
Wind Speed Vrbl 6 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 12:51 pm CDT
Extended Forecast for

Des Plaines IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 78. Northeast wind around 5 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. East wind around 5 mph becoming south southwest after midnight.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 78. Northeast wind around 5 mph.
Tonight
Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 63. East wind around 5 mph becoming south southwest after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Des Plaines IL
 42.04°N 87.9°W
12:17 pm CDT Aug 19, 2026
1pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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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