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

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

A Few Clouds

84°F

29°C

Humidity 51%
Wind Speed SW 8 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 4 Aug 5:51 pm CDT
Extended Forecast for

Rosemont IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly after 4pm. Some of the storms could produce heavy rainfall. High near 78. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 10pm. Low around 65. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.

    High: 76 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Showers and thunderstorms, mainly after 4pm. Some of the storms could produce heavy rainfall. High near 78. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and thunderstorms, mainly before 10pm. Low around 65. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 82.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 68.
Sunday
A chance of showers after 1pm. Partly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A chance of showers. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rosemont IL
 41.99°N 87.84°W
Last Update:
2:46 pm CDT Aug 4, 2026
Forecast Valid:
6pm CDT Aug 4, 2026-6pm CDT Aug 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation