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

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Mostly Cloudy

45°F

7°C

Humidity 74%
Wind Speed W 12 G 23 mph
Barometer 29.72 in (1006.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 18 Apr 6:51 am CDT
Extended Forecast for

Fox Lake IL

Flood Warning until April 18, 08:00am
Click here for hazard details and duration
...
  •  
    Flood Warning until April 18, 08:00am

    NOW until 8:00am Sat

    Flood Warning

  • Today

    High: 49 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 32. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 48. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 48 °F

    Frost then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Widespread frost after midnight. Otherwise, mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.

    Low: 29 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 52 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 49. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Tonight
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 32. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
A 30 percent chance of showers after 1pm. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 48. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Widespread frost after midnight. Otherwise, mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Showers likely. Mostly cloudy, with a low around 58.
Friday
A chance of showers. Mostly cloudy, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fox Lake IL
 42.4°N 88.2°W
Last Update:
6:46 am CDT Apr 18, 2026
Forecast Valid:
7am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation