Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Rounds of storms in the South to raise the risk for flooding into early next week. Get the latest. Chevron right

Belleville, IL

82°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Belleville

Illinois

82°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Belleville, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Tuesday, July 21

Day

7/21
89°Hi
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Clouds and sun

Max UV Index8.0 (Very High)

AccuLumen Brightness Index™7 (Bright)

WindESE 4 mph

Wind Gusts15 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover52%

Morning

Afternoon

Night

7/21
67°Lo
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy

WindSSE 6 mph

Wind Gusts15 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover31%

Evening

Overnight

Sun & Moon

14 hrs 28 mins
Rise 5:52 AM
Set 8:20 PM
First Quarter
Rise 1:53 PM
Set 12:12 AM

Temperature History

7/21
High
Low
Forecast
89°
67°
Average
91°
68°
Last Year
87°
72°
Record
101°
1983
47°
1970

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Near-daily downpours to drench the South raising flood risk

3 hours ago

Weather News

Dangerous heat to reach from Salt Lake City to Minneapolis, Philly

6 hours ago

Severe Weather

Tireless severe storms to repeat from Plains to mid-Atlantic

6 hours ago

Weather Forecasts

First storms of summer to arrive in southwestern US as monsoon begins

36 minutes ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Kansas City calm, Miami stormy for Saturday World Cup quarterfinals

1 day ago

 More Stories

Featured Stories

Super Typhoon Bavi leaves trail of destruction

4 days ago 0:36

Weather News

Victims of Spanish wildfires were killed while trying to escape along ...

2 days ago

Recreation

30 beluga whales to be rescued from shuttered Marineland in Canada

2 days ago

Astronomy

A viral sunset and dueling meteor showers are coming in July

1 day ago

Weather News

At least 750 structures destroyed by Colorado wildfire, images show

2 days ago
World North America United States Illinois Belleville

Weather Near Belleville:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect 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 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
© 2026 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

...

...

...