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.

Fair

21°C

69°F

Humidity 45%
Wind Speed E 17 km/h
Barometer 1007.1 mb (29.75 in)
Dewpoint 8°C (47°F)
Visibility 16 km
Last update 8 May 2:51 pm CDT
Extended Forecast for

Grayslake IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 24. East northeast wind around 15 km/h.

    High: 24 °C

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then showers after 4am. Low around 9. East northeast wind 15 to 20 km/h, with gusts as high as 30 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 9 °C

    Slight Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers, mainly before 4pm. High near 12. Northeast wind 20 to 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.

    High: 12 °C

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 6. North wind 10 to 20 km/h, with gusts as high as 35 km/h.

    Low: 6 °C

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 18. North northwest wind 10 to 15 km/h.

    High: 18 °C

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 9.

    Low: 9 °C

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 18.

    High: 18 °C

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8.

    Low: 8 °C

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 22.

    High: 22 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 24. East northeast wind around 15 km/h.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then showers after 4am. Low around 9. East northeast wind 15 to 20 km/h, with gusts as high as 30 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday
Showers, mainly before 4pm. High near 12. Northeast wind 20 to 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.
Thursday Night
A 30 percent chance of showers, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 6. North wind 10 to 20 km/h, with gusts as high as 35 km/h.
Friday
Mostly sunny, with a high near 18. North northwest wind 10 to 15 km/h.
Friday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 9.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 18.
Saturday Night
Mostly clear, with a low around 8.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
A chance of showers before 1am. Partly cloudy, with a low around 12.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
A chance of showers. Partly sunny, with a high near 23.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Grayslake IL
 42.35°N 88.02°W
Last Update:
1:43 pm CDT May 8, 2024
Forecast Valid:
3pm CDT May 8, 2024-6pm CDT May 14, 2024
 
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