Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
76°F
24°C
| Humidity | 72% |
| Wind Speed | SW 20 G 31 mph |
| Barometer | 29.82 in (1009.0 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 18 May 9:51 am CDT |
Extended Forecast for
4 Miles NNW Old Mill Creek IL
Today

High: 82 °F
Chance
Showers and
BreezyTonight
Low: 67 °F
Slight Chance
T-storms then
Showers
Likely and
BreezyTuesday
High: 78 °F
Breezy.
Showers
Likely then
Chance
T-stormsTuesday Night

Low: 47 °F
Mostly Cloudy
Wednesday

High: 59 °F
Mostly Sunny
Wednesday Night

Low: 41 °F
Partly Cloudy
Thursday

High: 58 °F
Mostly Sunny
Thursday Night

Low: 45 °F
Mostly Cloudy
Friday

High: 65 °F
Mostly Cloudy
Detailed Forecast
Today
A slight chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm. Cloudy, with a high near 82. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 67. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 4pm. Partly sunny, with a high near 78. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 47. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 59. North wind around 10 mph becoming east northeast in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Mostly cloudy, with a high near 65.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles NNW Old Mill Creek IL
42.48°N 88.01°W
42.48°N 88.01°W
10:06 am CDT May 18, 2026
10am CDT May 18, 2026-6pm CDT May 24, 2026



