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

Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

77°F

25°C

Humidity 35%
Wind Speed W 13 G 22 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Jun 4:52 pm CDT
Extended Forecast for

Lake Forest IL

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 78. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. North wind 5 to 10 mph becoming light and variable in the evening.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 70. East wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 78. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 59. North wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 70. East wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 57.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.21°N 87.89°W
Last Update:
2:41 pm CDT Jun 19, 2026
Forecast Valid:
4pm CDT Jun 19, 2026-6pm CDT Jun 26, 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