Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
I-95 corridor braces for blockbuster blizzard. Follow for live updates. Chevron right
A major nor'easter and blizzard threatens to shut down travel. See the snow forecast. Chevron right

Illiopolis, IL

28°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Illiopolis

Illinois

28°
No results found.
Try searching for a city, zip code or point of interest.
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
Illiopolis, 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
Sunday, February 22

Day

2/22
29°Hi
RealFeel® 16°
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
RealFeel Shade™ 13°
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
Sun giving way to increasing clouds and breezy

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™8 (Bright)

WindNW 17 mph

Wind Gusts35 mph

Probability of Precipitation5%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover39%

Morning

Afternoon

Night

2/22
15°Lo
RealFeel® 0°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Breezy this evening; otherwise, rather cloudy and cold

WindNW 14 mph

Wind Gusts28 mph

Probability of Precipitation4%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover90%

Evening

Overnight

Sun & Moon

11 hrs 00 mins
Rise 6:41 AM
Set 5:41 PM
Waxing Crescent
Rise 9:01 AM
Set 11:58 PM

Temperature History

2/22
High
Low
Forecast
29°
15°
Average
42°
24°
Last Year
38°
8°
Record
71°
1922
-2°
1978

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Dangerous nor'easter, blizzard to rage from Delaware, NYC to Boston

30 minutes ago

Winter Weather

More winter weather on the way behind blockbuster blizzard

3 hours ago
Live Blog

Updates: Final preparations underway for blockbuster blizzard

LATEST ENTRY

AccuWeather team coverage in place across blizzard area

12 minutes ago

Winter Weather

Atmospheric river to blast West Coast with more flooding, heavy snow

32 minutes ago

Weather Forecasts

From 80s F to freezing: Florida faces cold blast, growing fire danger

2 hours ago

 More Stories

Featured Stories

Winter Weather

Search teams working to recover bodies of skiers killed in avalanche

3 days ago

Weather Forecasts

Wildfire season to ramp up early as drought covers over 40% of the US

4 days ago

Weather News

Bald eagle rescued from floating ice on New York's Hudson River

2 days ago

Climate

75% of global coffee supply faces rising extreme heat, analysis says

2 days ago

Travel

The island with an air-conditioned ‘forest’ to cope with summers

2 days ago
World North America United States Illinois Illiopolis

Weather Near Illiopolis:

  • Champaign, IL
  • Decatur, IL
  • Springfield, 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 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

...

...

...