Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Heavy rain returns for flood weary Pacific Northwest. Click to read about the renewed flooding risk. Chevron right
A storm may hinder early Christmas travel in the eastern United States. Read the forecast here. Chevron right

Union, IL

34°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Union

Illinois

34°
No results found.
Try searching for a city, zip code or point of interest.
settings
Union, IL Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today

 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Tonight's Weather

Tue, Dec 16

Mainly cloudy; breezy this evening, then areas of freezing fog late; watch for slippery spots, mainly on bridges and overpasses Lo: 28°

Tomorrow: Areas of freezing fog in the morning; intervals of clouds and sunshine Hi: 33°

Current Weather

10:24 PM

34°F
RealFeel® 27°
Mostly cloudy More Details
Wind SW 8 mph
Wind Gusts 15 mph
Air Quality Poor

Looking Ahead

High winds, with gusts past 40 mph, from late tomorrow night into Friday morning

Union Weather Radar

Union Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

11 PM 33°
rain drop 7%
12 AM 33°
rain drop 5%
1 AM 33°
rain drop 0%
2 AM 33°
rain drop 0%
3 AM 34°
rain drop 0%
4 AM 33°
rain drop 0%
5 AM 32°
rain drop 0%
6 AM 31°
rain drop 0%
7 AM 30°
rain drop 0%
8 AM 29°
rain drop 0%
9 AM 28°
rain drop 0%
10 AM 30°
rain drop 0%

10-Day Weather Forecast

Tonight

12/16

28° Lo

Areas of freezing fog late

25%

Wed

12/17

33° 29°

Freezing fog in the morning

Night: Rain and drizzle toward dawn
0%

Thu

12/18

41° 10°

Morning rain; cloudy, windy

Windy; colder with flurries
77%

Fri

12/19

24° 20°

Colder; windy in the morning

Not as cold; breezy late
2%

Sat

12/20

43° 18°

Clouds giving way to sun

Clear and breezy
12%

Sun

12/21

30° 20°

Sunny and colder

Increasing cloudiness
5%

Mon

12/22

41° 32°

A bit of ice in the morning

Mainly cloudy
62%

Tue

12/23

43° 27°

Times of sun and clouds

Mostly cloudy
0%

Wed

12/24

38° 24°

Some sun

Freezing drizzle late
12%

Thu

12/25

37° 22°

Sun and some clouds

An icy mix late
5%

Sun & Moon

9 hrs 06 mins
Rise 7:17 AM
Set 4:23 PM
Waning Crescent
Rise 4:18 AM
Set 1:48 PM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Extreme Data is not supported in this location

Top Stories

Weather Forecasts

Relentless storms keep dangerous flood risk high across Northwest

7 hours ago

Weather News

Christmas travel at risk as East storm brings rain, fog and spotty ice

11 hours ago

Severe Weather

Evacuations from Seattle-area levee breaches

10 hours ago

Weather News

Flooding destroys Montana bridges and roads as new storms threaten

7 hours ago

Astronomy

Interstellar comet 3I/ATLAS swings by Earth this week

1 day ago

 More Stories

Featured Stories

Travel

AAA says 122 million Americans will travel as gas prices drop below $3

1 day ago

Climate

World heading toward ‘peak glacier extinction’

1 day ago

Recreation

Death Valley's ancient lake has returned after record rainfall

5 days ago

Recreation

Hiker rescued after getting trapped in Arches National Park

4 days ago

Parts of the Northeast receive several inches of snow from winter stor...

1 day ago 0:36
World North America United States Illinois Union

Weather Near Union:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...