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.

Overcast

58°F

14°C

Humidity 93%
Wind Speed S 10 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 2 Nov 4:51 pm CST
Extended Forecast for

Bull Valley IL

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight. Cloudy, with a temperature rising to around 63 by 5am. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 57 °F⇑

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 5pm. Cloudy, with a high near 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 61. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 48. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before midnight. Cloudy, with a temperature rising to around 63 by 5am. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Showers likely, mainly after 5pm. Cloudy, with a high near 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 61. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 48. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 54.
Thursday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 42.
Friday
Mostly cloudy, with a high near 51.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bull Valley IL
 42.32°N 88.35°W
Last Update:
3:55 pm CST Nov 2, 2026
Forecast Valid:
6pm CST Nov 2, 2026-6pm CST Nov 9, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation