Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

64°F

18°C

Humidity 81%
Wind Speed NW 3 mph
Barometer 29.97 in (1013.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 13 Sep 1:51 am CDT
Extended Forecast for

Round Lake Heights IL

  • Overnight

    Overnight: Mostly clear, with a low around 56. Northwest wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Scattered showers, mainly after 1pm.  Increasing clouds, with a high near 70. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    High: 70 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 64. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm.  Cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm.  Cloudy, with a high near 71.

    High: 71 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers, mainly after 1am.  Cloudy, with a low around 61.

    Low: 61 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Northwest wind around 5 mph.
Sunday
Scattered showers, mainly after 1pm. Increasing clouds, with a high near 70. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 46. West northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 72. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Cloudy, with a high near 81. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Wednesday
Showers likely, mainly before 1pm. Cloudy, with a high near 71.
Wednesday Night
Showers, mainly after 1am. Cloudy, with a low around 61.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 77.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61.
Friday
A chance of showers. Partly sunny, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58.
Saturday
A chance of showers. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
1:21 am CDT Sep 13, 2026
2am CDT Sep 13, 2026-6pm CDT Sep 19, 2026
 
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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