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

Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. Tropical storm conditions are possible along the east coast of Florida beginning Monday. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest today Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

70°F

21°C

Humidity 59%
Wind Speed NE 6 mph
Barometer 30.18 in (1021.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Sep 5:51 pm CDT
Extended Forecast for

Round Lake Heights IL

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, clear, with a low around 52. East wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Light north wind becoming east northeast 5 to 10 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Northeast wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, clear, with a low around 52. East wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Light north wind becoming east northeast 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 55. Northeast wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
Last Update:
4:11 pm CDT Sep 28, 2025
Forecast Valid:
6pm CDT Sep 28, 2025-6pm CDT Oct 5, 2025
 
Forecast Discussion
 
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Additional Resources

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