Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
World Cup may have 'lengthy' weather delays Thursday. Click for the latest news, photos. Chevron right
Massive heat dome to expand into next week. See how hot it will get. Chevron right

Pontoon Beach, IL

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

Pontoon Beach

Illinois

85°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
Pontoon Beach, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

11 AM

83°
RealFeel® 96°
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
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™86°

Heat Index88°

WindWSW 7 mph

Air QualityFair

Max UV Index7.6 (Very High)

Wind Gusts8 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling26400 ft

12 PM

84°
RealFeel® 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
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™88°

Heat Index89°

WindWSW 7 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts8 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4000 ft

1 PM

85°
RealFeel® 95°
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
rain drop 18%
Chevron down
Intermittent clouds
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™88°

Heat Index90°

WindWSW 8 mph

Air QualityFair

Max UV Index6.1 (High)

Wind Gusts9 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling7100 ft

2 PM

85°
RealFeel® 95°
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
rain drop 15%
Chevron down
Intermittent clouds
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™88°

Heat Index90°

WindWSW 7 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts8 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling8300 ft

3 PM

84°
RealFeel® 92°
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
rain drop 15%
Chevron down
Mostly cloudy
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™87°

Heat Index89°

WindWNW 6 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts7 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover81%

Visibility10 mi

Cloud Ceiling9600 ft

4 PM

83°
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
rain drop 20%
Chevron down
Cloudy
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™87°

Heat Index88°

WindNNE 6 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts7 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling10900 ft

5 PM

83°
RealFeel® 88°
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
rain drop 44%
Chevron down
Cloudy
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™86°

Heat Index87°

WindNE 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts7 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling12100 ft

6 PM

81°
RealFeel® 86°
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
rain drop 48%
Chevron down
Cloudy
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™86°

Heat Index85°

WindNE 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts8 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling13400 ft

7 PM

79°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 52%
Chevron down
Thunderstorms
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™81°

Heat Index80°

WindENE 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts7 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.17 in

Visibility4 mi

Cloud Ceiling4000 ft

8 PM

77°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™80°

WindE 7 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

76°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

WindESE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14700 ft

10 PM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

WindESE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 75%
Chevron down
Thunderstorms
alerts

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

WindE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity92%

Indoor Humidity92% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.22 in

Visibility3 mi

Cloud Ceiling11300 ft

Hourly Weather Forecast for Pontoon Beach

AccuWeather's hourly forecast for Pontoon Beach provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 83° with a RealFeel® of 96°, intermittent clouds with a 20% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Venezuela death toll rises after back-to-back earthquakes

10 minutes ago

Weather News

France has hottest day ever recorded as Europe heat wave intensifies

10 minutes ago

Severe Weather

Central U.S. storms to bring daily dose of severe weather, flood risk

5 hours ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Norway fans trigger earthquake sensors during celebrations

54 minutes ago

Weather Forecasts

'Extreme' weather could fuel erratic wildfires in western US

57 minutes ago

 More Stories

Featured Stories

Recreation

Snake hunters compete for $25,000 wrangling pythons in Florida

1 hour ago

Weather News

Utah wildfires force evacuations as crews work in hot, windy weather

23 hours ago

Severe Weather

Storm knocks down tree, exposes 100-year old hidden gravestone

2 days ago

Astronomy

NASA kicks World Cup excitement into orbit with soccer ball study

1 day ago

Rescuers search through rubble after destructive earthquakes in Venezu...

15 hours ago 0:44
World North America United States Illinois Pontoon Beach

Weather Near Pontoon Beach:

  • 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

...

...

...