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

73°F

23°C

Humidity 66%
Wind Speed NE 10 mph
Barometer 29.94 in (1013.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 4:51 pm CDT
Extended Forecast for

Hainesville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 58. East northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. East southeast wind around 5 mph becoming southwest after midnight.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 61. West southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 79.

    High: 79 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58. East southeast wind around 5 mph becoming southwest after midnight.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 61. West southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hainesville IL
 42.35°N 88.08°W
Last Update:
4:51 pm CDT Aug 19, 2026
Forecast Valid:
5pm CDT Aug 19, 2026-6pm CDT Aug 26, 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