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

Heat Continues Across the Southern Plains and Gulf Coast; Heavy Rainfall from the Tennessee Valley to Southeast on Friday

Hazardous heat will continue across the Southern Plains, Gulf Coast and Desert Southwest through the weekend. Additional heat will build into the Great Basin and Northern Plains this weekend. A stalled front is expected to bring periods of heavy to excessive rainfall and flooding from the Tennessee Valley to the Southeast U.S on Friday. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

64°F

18°C

Humidity 68%
Wind Speed SW 6 mph
Barometer 30.16 in (1020.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 24 Jul 4:51 am CDT
Extended Forecast for

Round Lake Park IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 80. Light south southwest wind becoming south southeast 5 to 10 mph in the morning.

    High: 80 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. West southwest wind 5 to 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    High: 91 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 80. Light south southwest wind becoming south southeast 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 60. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Partly sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 70. West southwest wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Park IL
 42.33°N 88.08°W
Last Update:
2:46 am CDT Jul 24, 2026
Forecast Valid:
5am CDT Jul 24, 2026-6pm CDT Jul 30, 2026
 
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Additional Resources

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Chance of Precipitation