Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

61°F

16°C

Humidity 84%
Wind Speed Calm
Barometer 29.95 in (1014.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 12:52 am CDT
Extended Forecast for

Bannockburn IL

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers, mainly after 1pm.  High near 69. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Slight Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before midnight.  Low around 57. East northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A 10 percent chance of showers before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 67. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 77.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Calm wind.
Sunday
Showers, mainly after 1pm. High near 69. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before midnight. Low around 57. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 67. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 54. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 58.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Bannockburn IL
 42.19°N 87.83°W
12:41 am CDT Jun 21, 2026
12am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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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