Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Light Rain

58°F

14°C

Humidity 97%
Wind Speed NE 6 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Jun 9:51 pm CDT
Extended Forecast for

Hainesville IL

  • Tonight

    Tonight: Rain before 1am, then showers likely, mainly between 1am and 4am.  Low around 57. North northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Rain

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 71. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. North northeast wind around 5 mph becoming east in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers after 1pm.  Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain before 1am, then showers likely, mainly between 1am and 4am. Low around 57. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 71. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 51. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 73. North northeast wind around 5 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 55. East southeast wind around 5 mph becoming south southwest after midnight.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58.
Thursday
A chance of showers after 1pm. Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A chance of showers. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Hainesville IL
 42.33°N 88.05°W
8:56 pm CDT Jun 21, 2026
10pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
 
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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