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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

40°F

4°C

Humidity 79%
Wind Speed E 9 mph
Barometer 30.19 in (1023.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Nov 5:51 am CST
Extended Forecast for

Wonder Lake IL

  • Today

    Today: Cloudy, with a high near 44. East northeast wind around 5 mph becoming calm in the afternoon.

    High: 44 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 39. East wind around 5 mph becoming calm.

    Low: 39 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 53. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 53 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. West southwest wind around 5 mph becoming north after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 51. North wind around 5 mph, with gusts as high as 10 mph.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 44. East northeast wind around 5 mph becoming calm in the afternoon.
Tonight
Cloudy, with a low around 39. East wind around 5 mph becoming calm.
Thursday
Cloudy, with a high near 53. Light south southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 38. West southwest wind around 5 mph becoming north after midnight.
Friday
Partly sunny, with a high near 51. North wind around 5 mph, with gusts as high as 10 mph.
Friday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 33.
Saturday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.39°N 88.38°W
Last Update:
3:51 am CST Nov 19, 2025
Forecast Valid:
5am CST Nov 19, 2025-6pm CST Nov 25, 2025
 
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