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-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Mostly Cloudy

85°F

29°C

Humidity 68%
Wind Speed NW 13 mph
Barometer 29.87 in (1010.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 18 Jul 12:51 pm CDT
Extended Forecast for

River Forest IL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 3pm.  Partly sunny, with a high near 90. Heat index values as high as 97. North wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    T-storms
    Likely

  • Tonight

    Tonight: Patchy smoke after 8pm. Partly cloudy, with a low around 69. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 69 °F

    Patchy Smoke

  • Sunday

    Sunday: Patchy smoke. Mostly sunny, with a high near 81. East northeast wind 5 to 10 mph.

    High: 81 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. East northeast wind around 5 mph becoming south after midnight.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 87. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 72. Chance of precipitation is 70%.

    Low: 72 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 85.

    High: 85 °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 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 90. Heat index values as high as 97. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy smoke after 8pm. Partly cloudy, with a low around 69. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Patchy smoke. Mostly sunny, with a high near 81. East northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 67. East northeast wind around 5 mph becoming south after midnight.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
River Forest IL
 41.91°N 87.82°W
12:26 pm CDT Jul 18, 2026
1pm CDT Jul 18, 2026-6pm CDT Jul 24, 2026
 
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