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

Mississippi Valley Summer Heat Wave; Severe Thunderstorms and Flooding Possible to the North

A dangerous summer heat wave will continue much of the Plains, Mid/Lower Mississippi Valley, Southeast U.S. today and Thursday. Areas of severe thunderstorms may occur today and again on Thursday from parts of the northern/central Rockies and High Plains into the Ohio Valley and Carolinas. Excessive rainfall over similar areas may bring flash flooding today and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Mostly Cloudy

77°F

25°C

Humidity 71%
Wind Speed NE 12 mph
Barometer 30.01 in (1015.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 6 Jul 2:52 pm CDT
Extended Forecast for

Lake Forest IL

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 75. North northeast wind 10 to 15 mph.

    Partly Sunny

    High: 75 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. North northeast wind 5 to 10 mph.

    Mostly Cloudy

    Low: 67 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. East wind around 5 mph, with gusts as high as 10 mph.

    Chance
    T-storms

    High: 74 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 65 °F

  • Friday

    Friday: Partly sunny, with a high near 72. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Partly Sunny

    High: 72 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 62.

    Partly Cloudy

    Low: 62 °F

  • Saturday

    Saturday: Sunny, with a high near 72.

    Sunny

    High: 72 °F

  • Saturday
    Night

    Saturday Night: Clear, with a low around 61.

    Clear

    Low: 61 °F

  • Sunday

    Sunday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 75. North northeast wind 10 to 15 mph.
Tonight
Mostly cloudy, with a low around 67. North northeast wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. East wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph.
Friday
Partly sunny, with a high near 72. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Sunny, with a high near 72.
Saturday Night
Clear, with a low around 61.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Lake Forest IL
 42.26°N 87.85°W
Last Update:
2:16 pm CDT Jul 6, 2022
Forecast Valid:
3pm CDT Jul 6, 2022-6pm CDT Jul 12, 2022
 
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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