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.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed W 6 mph
Barometer 29.87 in (1011.0 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 25 Jun 2:51 am CDT
Extended Forecast for

Hainesville IL

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Areas Fog

  • Thursday

    Thursday: A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Areas of fog before 7am. Otherwise, mostly sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 77 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between noon and 1pm. Increasing clouds, with a high near 70. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 60. West wind around 5 mph.
Thursday
A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Areas of fog before 7am. Otherwise, mostly sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers between noon and 1pm. Increasing clouds, with a high near 70. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hainesville IL
 42.33°N 88.05°W
Last Update:
3:01 am CDT Jun 25, 2026
Forecast Valid:
3am CDT Jun 25, 2026-6pm CDT Jul 1, 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