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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

80°F

27°C

Humidity 54%
Wind Speed SW 10 mph
Barometer 30.12 in (1018.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 4 Oct 9:51 am CDT
Extended Forecast for

Hainesville IL

  • Today

    Today: Sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind around 10 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 84 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 64. South wind around 10 mph.
Sunday
Sunny, with a high near 84. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 64. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 54. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hainesville IL
 42.33°N 88.08°W
Last Update:
9:41 am CDT Oct 4, 2025
Forecast Valid:
10am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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