Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Warming atmosphere fueling heavier U.S. rainfall and rising flood risk. Get the details Chevron right
Gabrielle may eye Bermuda as a hurricane; Is Caribbean next for a storm? See the track forecast. Chevron right

Monticello, IL

85°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Monticello

Illinois

85°
No results found.
Try searching for a city, zip code or point of interest.
settings
Monticello, 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, September 19

Day

9/19
87°Hi
RealFeel® 92°
Very Warm
RealFeel Guide
Very Warm
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™ 84°
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
Very warm with some sun, then turning cloudy

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™3 (Dull)

WindS 5 mph

Wind Gusts12 mph

Probability of Precipitation18%

Probability of Thunderstorms4%

Precipitation0.00 in

Cloud Cover80%

Morning

Afternoon

Night

9/19
61°Lo
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Cloudy with a thunderstorm in one or two spots

WindS 5 mph

Wind Gusts12 mph

Probability of Precipitation80%

Probability of Thunderstorms48%

Precipitation0.10 in

Rain0.10 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover95%

Evening

Overnight

Sun & Moon

12 hrs 18 mins
Rise 6:39 AM
Set 6:57 PM
Waning Crescent
Rise 4:18 AM
Set 6:05 PM

Temperature History

9/19
High
Low
Forecast
87°
61°
Average
78°
54°
Last Year
90°
57°
Record
94°
2018
19°
1999

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

AccuWeather study: Flood risk rising as US storms grow more intense

6 hours ago

Weather News

Mudslides damage homes, bury roads and cars in Southern California

3 hours ago

Hurricane

Gabrielle may eye Bermuda as a hurricane; Is Caribbean next for a stor...

3 hours ago

Weather Forecasts

Where’s the rain? Dry pattern grips the East

4 hours ago

Hurricane

Mario's ghost sets off flash flooding in Southern California, Southwes...

1 hour ago

 More Stories

Featured Stories

Climate

The ‘blob’ is back — and it stretches across the entire North Pacific

2 hours ago

Astronomy

Saturn to glow brighter than usual this weekend as it reaches oppositi...

2 hours ago
Live Blog

Does this radar loop show insects or birds?

LATEST ENTRY

Expert debunks claim about weird weather radar

2 days ago

Health

The US is tracking 14 potential rabies outbreaks in 20 states.

18 hours ago

Weather News

Mount St. Helens stirring up leftover ash 45 years after ‘the big one’

2 days ago
World North America United States Illinois Monticello

Weather Near Monticello:

  • 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

...

...

...