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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

60°F

16°C

Humidity 80%
Wind Speed W 8 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 5:51 am CDT
Extended Forecast for

Libertyville IL

  • Today

    Today: Sunny, with a high near 77. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. North northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 70. 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 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 56. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 70. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 77. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 57. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 70. 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 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 56. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday
Mostly sunny, with a high near 70. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 57.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers before 1am. Partly cloudy, with a low around 57.
Thursday
A chance of showers. Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Libertyville IL
 42.28°N 87.97°W
Last Update:
4:16 am CDT Jun 20, 2026
Forecast Valid:
6am CDT Jun 20, 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