Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Mostly Cloudy

70°F

21°C

Humidity 71%
Wind Speed SE 10 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 8 Jun 9:51 am CDT
Extended Forecast for

Round Lake Park IL

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm.  High near 80. Southeast wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then showers likely.  Low around 68. Southeast wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 7am.  Partly sunny, with a high near 85. West wind 5 to 10 mph.

    High: 85 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 69. North northeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 90 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

    Low: 70 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm.  Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 80. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 68. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers, mainly before 7am. Partly sunny, with a high near 85. West wind 5 to 10 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. North northeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.
Wednesday
Mostly sunny, with a high near 90. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
A chance of showers. Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Sunday
A chance of showers. Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Park IL
 42.33°N 88.08°W
5:51 am CDT Jun 8, 2026
10am CDT Jun 8, 2026-6pm CDT Jun 14, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database