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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

17°C

62°F

Humidity 90%
Wind Speed SW 20 km/h
Barometer 1001.6 mb (29.60 in)
Dewpoint 15°C (59°F)
Visibility 16 km
Last update 18 Apr 12:51 am CDT
Extended Forecast for

Fox Lake IL

Flood Watch April 18, 01:30am until April 18, 05:00am
Flash Flood Warning April 18, 01:30am until April 18, 02:00am
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch April 18, 01:30am until April 18, 05:00am
    Flash Flood Warning April 18, 01:30am until April 18, 02:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 6 °C

    Showers

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 9. Breezy, with a west wind 30 to 35 km/h, with gusts as high as 50 km/h.

    High: 9 °C

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 0. West wind 20 to 25 km/h decreasing to 10 to 15 km/h in the evening. Winds could gust as high as 40 km/h.

    Low: 0 °C

    Mostly Clear
    then Frost

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 9. West southwest wind 10 to 15 km/h becoming west northwest 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.

    High: 9 °C

    Frost then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Widespread frost after midnight. Otherwise, mostly clear, with a low around -2. North northwest wind 10 to 15 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h.

    Low: -2 °C

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 11.

    High: 11 °C

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 5.

    Low: 5 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °C

    Mostly Sunny

Detailed Forecast

Overnight
Showers, mainly before 2am. Low around 6. West northwest wind 20 to 30 km/h, with gusts as high as 45 km/h. Chance of precipitation is 80%. New precipitation amounts of less than 1 mm possible.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 9. Breezy, with a west wind 30 to 35 km/h, with gusts as high as 50 km/h.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 0. West wind 20 to 25 km/h decreasing to 10 to 15 km/h in the evening. Winds could gust as high as 40 km/h.
Sunday
A 20 percent chance of showers after 1pm. Widespread frost before 7am. Otherwise, mostly sunny, with a high near 9. West southwest wind 10 to 15 km/h becoming west northwest 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.
Sunday Night
Widespread frost after midnight. Otherwise, mostly clear, with a low around -2. North northwest wind 10 to 15 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 11.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Sunny, with a high near 21.
Wednesday Night
Mostly clear, with a low around 10.
Thursday
Mostly sunny, with a high near 26.
Thursday Night
Showers likely. Mostly cloudy, with a low around 14.
Friday
A chance of showers. Mostly cloudy, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fox Lake IL
 42.42°N 88.2°W
Last Update:
1:21 am CDT Apr 18, 2026
Forecast Valid:
1am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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