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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

31°F

-1°C

Humidity 89%
Wind Speed Calm
Barometer 30.27 in (1025.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 1:51 am CDT
Extended Forecast for

2 Miles SSE Pistakee Highlands IL

Flood Warning April 20, 02:11am until April 25, 01:00pm
Freeze Warning until April 20, 09:00am
Click here for hazard details and duration
Flood Warning
Freeze Warning
  •  
    Flood Warning April 20, 02:11am until April 25, 01:00pm
    Freeze Warning until April 20, 09:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 26 °F

    Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 54. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 45. West wind around 5 mph becoming north northeast after midnight. Winds could gust as high as 10 mph.

    Low: 45 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread frost. Otherwise, mostly clear, with a low around 26. Calm wind.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 54. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 42. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 73. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 45. West wind around 5 mph becoming north northeast after midnight. Winds could gust as high as 10 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60.
Friday
A chance of showers. Mostly cloudy, with a high near 72.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Pistakee Highlands IL
 42.38°N 88.2°W
Last Update:
1:41 am CDT Apr 20, 2026
Forecast Valid:
2am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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