Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

81°F

27°C

Humidity 77%
Wind Speed W 14 mph
Barometer 29.87 in (1010.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Jul 8:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly between noon and 5pm.  Partly sunny, with a temperature rising to near 90 by 11am, then falling to around 82 during the remainder of the day. Heat index values as high as 99. West wind around 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: Patchy smoke after 8pm. Mostly clear, with a low around 68. North northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 68 °F

    Patchy Smoke

  • Sunday

    Sunday: Patchy smoke. Sunny, with a high near 79. East northeast wind 5 to 10 mph.

    High: 79 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 73. Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

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

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly between noon and 5pm. Partly sunny, with a temperature rising to near 90 by 11am, then falling to around 82 during the remainder of the day. Heat index values as high as 99. West wind around 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.
Tonight
Patchy smoke after 8pm. Mostly clear, with a low around 68. North northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday
Patchy smoke. Sunny, with a high near 79. East northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 68. East northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
3:55 am CDT Jul 18, 2026
9am CDT Jul 18, 2026-6pm CDT Jul 24, 2026
 
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