Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

66°F

19°C

Humidity 84%
Wind Speed W 3 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Aug 4:52 am CDT
Extended Forecast for

Bannockburn IL

  • Today

    Today: Mostly sunny, with a high near 77. Northwest wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers after 1am.  Mostly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 77. Northwest wind 5 to 10 mph becoming east northeast in the afternoon.
Tonight
Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 73.
Monday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 72.
Tuesday
A chance of showers. Mostly sunny, with a high near 86.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Bannockburn IL
 42.19°N 87.86°W
3:11 am CDT Aug 27, 2026
5am CDT Aug 27, 2026-6pm CDT Sep 2, 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