Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Hurricane Erin to fuel dangerous surf, coastal flood risk from Carolinas to New England. Chevron right
Puerto Rico, Leeward Islands brace for Hurricane Erin. Get the details. Chevron right

Barnett, IL

80°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Barnett

Illinois

80°
No results found.
Try searching for a city, zip code or point of interest.
settings
Barnett, 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
Saturday, August 16

Current Weather

12:05 AM

80°F
Partly cloudy
RealFeel® 90°
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®
90°
Wind
SSE 2 mph
Wind Gusts
4 mph
Humidity
82%
Indoor Humidity
82% (Extremely Humid)
Dew Point
75° F
Pressure
↔ 30.10 in
Cloud Cover
34%
Visibility
8 mi
Cloud Ceiling
23300 ft

Day

8/16
96°Hi
RealFeel® 106°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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™ 99°
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
Partly sunny, hot and humid; caution advised if outside for extended periods of time
alerts

Heat Advisory

12:00 PM Friday - 8:00 PM Monday

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindS 7 mph

Wind Gusts15 mph

Probability of Precipitation3%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover28%

Morning

Afternoon

Night

8/16
71°Lo
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, warm and humid
alerts

Heat Advisory

12:00 PM Friday - 8:00 PM Monday

WindS 5 mph

Wind Gusts13 mph

Probability of Precipitation4%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover2%

Evening

Overnight

Sun & Moon

13 hrs 39 mins
Rise 6:14 AM
Set 7:53 PM
Last Quarter
Rise --
Set 2:43 PM

Temperature History

8/16
High
Low
Forecast
96°
71°
Average
86°
68°
Last Year
90°
71°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Erin intensifies into hurricane as it tracks near Puerto Rico

4 hours ago

Recreation

Man rescued after falling 30 feet down waterfall in Maine

15 hours ago

Severe Weather

Severe storms, flash flooding to pester north-central US

4 hours ago

Weather News

New York skyscraper had 1-in-16 chance of collapse. Only one man knew

17 hours ago

Hurricane

Hurricane safety: Explaining rapid intensification and how to prepare

15 hours ago

 More Stories

Featured Stories

Weather News

Heavy rain in Indian Kashmir leaves dozens dead, more than 200 missing

18 hours ago

Weather News

Pompeii’s remains reveal a hidden postscript

17 hours ago

Astronomy

Goodbye long days: Where sunset is now happening before 8 pm

15 hours ago

Weather News

US teen pilot accused of unauthorized Antarctic landing reaches deal

1 day ago

Weather News

New York skyscraper had 1-in-16 chance of collapse. Only one man knew

17 hours ago
World North America United States Illinois Barnett

Weather Near Barnett:

  • 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 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

...

...

...