Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

61°F

16°C

Humidity 97%
Wind Speed SE 7 mph
Barometer 29.73 in (1005.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 4:51 am CDT
Extended Forecast for

Zion IL

Flood Watch until April 15, 06:00am
Flood Advisory until April 15, 06:45am
Click here for hazard details and duration
Flood Watch
Flood Advisory
  •  
    Flood Watch until April 15, 06:00am
    Flood Advisory until April 15, 06:45am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am.  High near 72. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am.  Low around 50. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am.  Mostly cloudy, with a high near 65. Southwest wind 5 to 10 mph becoming northwest in the afternoon.  Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm.  Mostly cloudy, with a low around 46. North northeast wind around 5 mph becoming south after midnight.  Chance of precipitation is 10%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 61. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. High near 72. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Low around 50. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 65. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 46. North northeast wind around 5 mph becoming south after midnight. Chance of precipitation is 10%.
Friday
Mostly cloudy, with a high near 62.
Friday Night
Showers and possibly a thunderstorm. Low around 48. Chance of precipitation is 80%.
Saturday
A chance of showers. Partly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
4:26 am CDT Apr 15, 2026
4am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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Additional Resources

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