Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Will you have a White Christmas this year? Tap here to find out. Chevron right
Heavy rain returns for flood weary Pacific Northwest. Click to read about the renewed flooding risk. 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
Wednesday, December 17

Day

12/17
35°Hi
RealFeel® 40°
Cold
RealFeel Guide
Cold
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel Shade™ 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Intervals of clouds and sunshine

Max UV Index2.0 (Low)

AccuLumen Brightness Index™8 (Bright)

WindSW 7 mph

Wind Gusts14 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover40%

Morning

Afternoon

Night

12/17
29°Lo
RealFeel® 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Increasingly windy with thickening clouds; occasional rain and drizzle toward dawn

WindS 16 mph

Wind Gusts38 mph

Probability of Precipitation60%

Probability of Thunderstorms0%

Precipitation0.03 in

Rain0.03 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover67%

Evening

Overnight

Sun & Moon

9 hrs 06 mins
Rise 7:18 AM
Set 4:24 PM
Waning Crescent
Rise 5:22 AM
Set 2:19 PM

Temperature History

12/17
High
Low
Forecast
35°
29°
Average
33°
19°
Last Year
35°
29°
Record
52°
2006
-8°
1972

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Wind gusts over 130 mph, knocks out power across Pacific Northwest

1 hour ago

Winter Weather

White Christmas forecast 2025: Storm may deliver last-minute snow

39 minutes ago

Severe Weather

Dangerous winds to roar from Washington to Colorado, Dakotas

14 minutes ago

Weather Forecasts

Relentless storms keep dangerous flood risk high across Northwest

3 hours ago

Severe Weather

Evacuations from Seattle-area levee breaches

23 hours ago

 More Stories

Featured Stories

Astronomy

Satellite ‘Crash Clock’ shows orbit 2.8 days from potential disaster

5 hours ago

Travel

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

1 day ago

Astronomy

Interstellar comet 3I/ATLAS swings by Earth this week

2 days ago

Climate

World heading toward ‘peak glacier extinction’

2 days ago

Recreation

Hiker rescued after getting trapped in Arches National Park

4 days ago
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

...

...

...