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.

Mostly Cloudy

78°F

26°C

Humidity 28%
Wind Speed W 13 G 23 mph
Barometer 29.44 in (996.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 May 4:51 pm CDT
Extended Forecast for

Bull Valley IL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Partly sunny, with a high near 80. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 80 °F

    Isolated
    T-storms and
    Breezy

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then isolated showers after 4am. Mostly cloudy, with a low around 48. West wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Scattered
    T-storms then
    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers before 7am. Mostly cloudy, with a high near 58. North northwest wind around 10 mph. Chance of precipitation is 10%.

    High: 58 °F

    Isolated
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Partly sunny, with a high near 80. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms before 11pm, then isolated showers after 4am. Mostly cloudy, with a low around 48. West wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tuesday
Isolated showers before 7am. Mostly cloudy, with a high near 58. North northwest wind around 10 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly cloudy, with a low around 39. Northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 55. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A chance of showers. Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bull Valley IL
 42.32°N 88.35°W
Last Update:
5:05 pm CDT May 4, 2026
Forecast Valid:
5pm CDT May 4, 2026-6pm CDT May 11, 2026
 
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