Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Storms to hammer Central, Eastern US with flood, wind threat Chevron right
Dangerous heat and humidity to grip the Southeast Chevron right

Jacksonville, IL

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Jacksonville

Illinois

75°
No results found.
Try searching for a city, zip code or point of interest.
settings
Jacksonville, 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, July 27

Day

7/27
86°Hi
RealFeel® 103°
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™ 94°
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
A couple of morning showers and a thunderstorm; otherwise, partly sunny and very humid
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Sunday

Max UV Index10 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindSW 6 mph

Wind Gusts8 mph

Probability of Precipitation65%

Probability of Thunderstorms26%

Precipitation0.12 in

Rain0.12 in

Hours of Precipitation1.5

Hours of Rain1.5

Cloud Cover51%

Morning

Afternoon

Night

7/27
74°Lo
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy, warm and very humid
alerts

Heat Advisory

10:00 AM Wednesday - 7:00 PM Sunday

WindSSW 5 mph

Wind Gusts7 mph

Probability of Precipitation3%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover27%

Evening

Overnight

Sun & Moon

14 hrs 24 mins
Rise 5:55 AM
Set 8:19 PM
Waxing Crescent
Rise 8:54 AM
Set 10:04 PM

Temperature History

7/27
High
Low
Forecast
86°
74°
Average
86°
63°
Last Year
81°
60°
Record
108°
1936
48°
2004

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Storms to hammer central and eastern US with flood, wind threat

51 minutes ago

Weather News

Southwest Airlines jet dives as a fighter jet crosses its path near LA

1 day ago

Weather Forecasts

Cooler days ahead? Major shift coming to the Northeast

49 minutes ago

Weather News

Flash flooding hits Ruidoso again, prompts water rescues

1 day ago

Hurricane

Hawaii braces for gusty winds as Pacific tropics heat up

47 minutes ago

 More Stories

Featured Stories

Travel

AeroMéxico plane nearly lands on top of Delta Air Lines 737 taking off

3 days ago

Weather News

Firefighters rescue four cows from quicksand on riverbank

3 days ago

Weather News

South Korea's president proclaims disaster after 19 die in flooding

2 days ago

Weather News

Hershey says it is hiking chocolate prices

3 days ago

Weather News

‘Shark Whisperer’ swims its way into our shark obsession

4 days ago
World North America United States Illinois Jacksonville

Weather Near Jacksonville:

  • 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 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

...

...

...