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

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

79°F

26°C

Humidity 54%
Wind Speed SW 5 mph
Barometer 30.07 in (1017.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 8 Sep 9:52 pm CDT
Extended Forecast for

South Barrington IL

  • Tonight

    Tonight: Isolated showers, then scattered showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. South southwest wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before noon, then isolated showers between noon and 1pm. High near 79. West southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers then
    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63. West wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. North wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. North northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

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

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers, then scattered showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. South southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday
Showers and thunderstorms before noon, then isolated showers between noon and 1pm. High near 79. West southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 63. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 77. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 56. North northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 62.
Saturday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 62.
Sunday
A chance of showers. Partly sunny, with a high near 77.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60.
Monday
A chance of showers. Partly sunny, with a high near 79.
Monday Night
Showers likely. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Barrington IL
 42.09°N 88.16°W
Last Update:
9:46 pm CDT Sep 8, 2026
Forecast Valid:
10pm CDT Sep 8, 2026-6pm CDT Sep 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation