Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Nor'easter threat looms as snowstorm heads toward mid-Atlantic. See the snow forecast. Chevron right
California expecting new snowstorm after measuring 90+ inches. Get the forecast. Chevron right

Boulder, IL

39°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Boulder

Illinois

39°
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
Boulder, 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
Friday, February 20

Day

2/20
45°Hi
RealFeel® 40°
Cold
RealFeel Guide
Cold
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel Shade™ 40°
Cold
RealFeel Guide
Cold
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Windy and cooler with plenty of sunshine

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™10 (Very Bright)

WindW 15 mph

Wind Gusts32 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Morning

Afternoon

Night

2/20
29°Lo
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Increasing cloudiness

WindNNW 6 mph

Wind Gusts10 mph

Probability of Precipitation25%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover48%

Evening

Overnight

Sun & Moon

10 hrs 59 mins
Rise 6:42 AM
Set 5:41 PM
Waxing Crescent
Rise 8:09 AM
Set 9:29 PM

Temperature History

2/20
High
Low
Forecast
45°
29°
Average
45°
26°
Last Year
16°
4°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Nor’easter threat looms as snowstorm set to blanket mid-Atlantic

4 hours ago

Severe Weather

Likely tornadoes destroy homes, wrap mobile homes around trees

8 hours ago

Winter Weather

California faces a new storm threat, adding to staggering snowfall

6 hours ago

Weather Forecasts

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

5 hours ago

Weather Forecasts

El Nino is brewing: Here’s what it means for US weather in 2026

8 hours ago

 More Stories

Featured Stories

Winter Weather

Search teams working to recover bodies of skiers killed in avalanche

1 day ago

Weather Forecasts

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

2 days ago

Weather News

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

1 day ago

Climate

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

1 day ago

Travel

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

1 day ago
World North America United States Illinois Boulder

Weather Near Boulder:

  • 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

...

...

...