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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

56°F

13°C

Humidity 57%
Wind Speed SW 18 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 21 Apr 7:51 am CDT
Extended Forecast for

3 Miles SW Antioch IL

Flood Warning April 21, 08:18am until April 29, 01:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning April 21, 08:18am until April 29, 01:00pm

    NOW until 1:00pm Wed

    Flood Warning

  • Today

    High: 73 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West wind around 5 mph becoming north northeast in the evening.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71. Northeast wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Friday Night

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

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 47. West wind around 5 mph becoming north northeast in the evening.
Wednesday
Sunny, with a high near 71. Northeast wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind around 5 mph, with gusts as high as 10 mph.
Thursday
Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 46.
Monday
A chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Antioch IL
 42.44°N 88.14°W
Last Update:
5:41 am CDT Apr 21, 2026
Forecast Valid:
8am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
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