url:
Union, Illinois Weather Forecast
Union, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Click for Cold Weather Advisory for Union, Illinois
Click for Hazardous Weather Outlook for Union, Illinois
Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Union, Illinois : Will County
Issued: 9:36 am CST Jan 26, 2026 Latitude: 41.4969757 Longitude: -88.0233891 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Sunny on Today Increasing Clouds on Tonight Partly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Partly Sunny on Sunday
High: 9 °F Low: 12 °F High: 17°F High: 16°F High: 15°F High: 17°F High: 22°F High: 26°F
Low: 0 °F Low: 0°F Low: 1°F Low: 4°F Low: 10°F  
Sunny Increasing Clouds Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny
-
Current Conditions at
JOLIET - (KJOT)
3°
Feels like -13°F
Clear
as of 9:15 AM CST
Rel. Humidity: 59%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
12 MPH
290° West
Current Conditions at
ROMEOVILLE WFO - (KLOT)
-2°
Feels like -18°F
Clear
as of 8:45 AM CST
Rel. Humidity: 70%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 20 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
-0°
Feels like -19°F
Clear
as of 9:15 AM CST
Rel. Humidity: 64%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
14 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
1°
Feels like -16°F
Mostly Clear
as of 8:53 AM CST
Rel. Humidity: 59%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
13 MPH
310° Northwest
Cloud Level(s): Few at 4000ft, Few at 8500ft
Sunny on Today Today... Sunny and cold, with a high near 9. Wind chill values as low as -16. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a temperature rising to around 12 by 5am. Wind chill values as low as -13. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 17. Wind chill values as low as -4. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 0. Wind chill values as low as -12. West wind 5 to 10 mph, with gusts as high as 15 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 16. West wind 10 to 15 mph, with gusts as high as 20 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 0.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 15.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 1.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 17.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 4.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 22.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 10.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 26.
Current Radar Image


Sun Almanac for Union, Illinois
Sunrise: 07:09 AM
Sunset: 5:00 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:30 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:36 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.