Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

72°F

22°C

Humidity 91%
Wind Speed Calm
Barometer 29.83 in (1009.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 12 Aug 4:52 am CDT
Extended Forecast for

South Barrington IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Areas of fog.  Otherwise, mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    T-storms and
    Areas Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall.  Areas of fog before 9am.  Otherwise, mostly cloudy, with a high near 82. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Heavy Rain
    and Areas Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 79. East wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Northeast wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm.  Mostly cloudy, with a high near 82.

    High: 82 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Areas of fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 82. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 67. North northwest wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 79.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.
Saturday
Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
South Barrington IL
 42.09°N 88.16°W
3:26 am CDT Aug 12, 2026
5am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database