Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Increasing flash flood threat looms in Texas as heat scorches recovery zone. Click for details Chevron right

O'Fallon, MO

84°F
Location Chevron down
Location News Videos
Use Current Location
Recent

O'Fallon

Missouri

84°
No results found.
Try searching for a city, zip code or point of interest.
settings
O'Fallon, MO 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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

7 PM

82°
RealFeel® 85°
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 7%
Chevron down
Sunny

RealFeel Shade™84°

WindNW 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts12 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling33500 ft

8 PM

81°
RealFeel® 83°
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 7%
Chevron down
Intermittent clouds

RealFeel Shade™83°

WindNW 6 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts15 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4000 ft

9 PM

79°
RealFeel® 82°
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 7%
Chevron down
Intermittent clouds

WindWNW 5 mph

Air QualityFair

Wind Gusts13 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindWNW 5 mph

Air QualityFair

Wind Gusts10 mph

Humidity81%

Indoor Humidity81% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindWNW 5 mph

Air QualityFair

Wind Gusts10 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Monday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Thunderstorms fuel increasing flash flooding threat in Texas

4 hours ago

Weather News

Engine fuel supply cut just before Air India jet crash, report says

9 hours ago

Weather News

Texas Hill Country: Before, during and after the flood

9 hours ago

Weather News

Flash flooding swamps Iowa Quad Cities as storms unleash damaging rain

7 hours ago

Severe Weather

Rounds of severe storms to rattle, drench central US

4 hours ago

 More Stories

Featured Stories

Health

How can families handle new anxieties around summer camp?

1 day ago

Weather News

Viral pygmy hippo Moo Deng celebrates her first birthday

1 day ago

Weather News

Orcas are bringing humans gifts of food – but why?

1 day ago

Business

Samsung is looking into more AI devices potentially including earrings...

1 day ago

Weather News

The US has a plan to breed millions of flies and drop them from planes

2 days ago
World North America United States Missouri O'Fallon

Weather Near O'Fallon:

  • St. Charles, MO
  • St. Louis, MO
  • St. Peters, 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

...

...

...