Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

81°F

27°C

Humidity 45%
Wind Speed W 9 mph
Barometer 30.01 in (1014.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 8 Aug 2:51 pm CDT
Extended Forecast for

Mc Henry IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. West northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. West northwest wind around 5 mph becoming south after midnight.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 11am and 1pm.  Increasing clouds, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 4am.  Low around 68. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 80%.

    Low: 68 °F

    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 83. West southwest wind 5 to 10 mph becoming southeast in the afternoon.  Chance of precipitation is 60%.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 82. West northwest wind around 5 mph, with gusts as high as 10 mph.
Tonight
Mostly clear, with a low around 62. West northwest wind around 5 mph becoming south after midnight.
Sunday
Showers and thunderstorms likely, mainly between 11am and 1pm. Increasing clouds, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms, mainly before 4am. Low around 68. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. West southwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81.
Wednesday Night
A chance of showers before 1am. Partly cloudy, with a low around 62.
Thursday
Mostly cloudy, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mc Henry IL
 42.34°N 88.29°W
2:51 pm CDT Aug 8, 2026
3pm CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
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