National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 62%
Wind Speed W 10 G 21 mph
Barometer 29.87 in (1010.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 11:51 am CDT
Extended Forecast for

Hainesville IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming south southeast in the evening.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 83. Breezy, with an east wind 10 to 15 mph becoming south southeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 83 °F

    Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 84 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Breezy.

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming south southeast in the evening.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 83. Breezy, with an east wind 10 to 15 mph becoming south southeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Breezy.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hainesville IL
 42.35°N 88.08°W
Last Update:
8:41 am CDT May 16, 2026
Forecast Valid:
11am CDT May 16, 2026-6pm CDT May 22, 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