Weather and Radar Map for O'Fallon, Missouri 63366 - The Weather Channel | Weather.com

Weather and Radar Map for O'Fallon, Missouri 63366 - The Weather Channel | Weather.com

Home
Home
Today
Today
Hourly
Hourly
10 Day
10 Day
Monthly
Monthly
Radar
Radar
Video
Video
Explore
Explore
- Hurricane Central
  Hurricane Central
- Tornado Central
  Tornado Central
- Safety & Prep
  Safety & Prep
- Allergy Tracker
  Allergy Tracker
- Air Quality Index
  Air Quality Index
- Cold & Flu Tracker
  Cold & Flu Tracker
- Skin
  Skin
- Home & Garden
  Home & Garden
- Pets & Animals
  Pets & Animals
- Recipes
  Recipes
- Space & Skywatching
  Space & Skywatching
- Travel & Outdoors
  Travel & Outdoors
- Product Reviews & Deals
  Product Reviews & Deals
- Shop
  Shop

Home
Home
Today
Today
Hourly
Hourly
10 Day
10 Day
Monthly
Monthly
Radar
Radar
Video
Video
Explore
Explore
- Hurricane Central
  Hurricane Central
- Tornado Central
  Tornado Central
- Safety & Prep
  Safety & Prep
- Allergy Tracker
  Allergy Tracker
- Air Quality Index
  Air Quality Index
- Cold & Flu Tracker
  Cold & Flu Tracker
- Skin
  Skin
- Home & Garden
  Home & Garden
- Pets & Animals
  Pets & Animals
- Recipes
  Recipes
- Space & Skywatching
  Space & Skywatching
- Travel & Outdoors
  Travel & Outdoors
- Product Reviews & Deals
  Product Reviews & Deals
- Shop
  Shop

Advertisement

Product Reviews & Deals

Hair Oils, Masks And Serums (Tested And Reviewed)

Road Salt Or Ice Melt: A Guide For Winter And Spring Storms

Advertisement

Our World

Which State Has the Worst Air Quality in America?

Community Rallies To Rescue Manatee, Calf From Orange River

California Wildflower Superblooms Are Back In 2026

Heavy Rain Turned This River Into An Ecological Disaster

Stay Safe

Advertisement

Feedback
Mission
Careers
News Room
Advertise With Us
TV
Weather Data APIs

Terms of Use
Privacy Policy
AdChoices
Accessibility Statement
Data Vendors

We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.

Data Rights

The Weather Channel is the world's most accurate forecaster according to ForecastWatch, Global and Regional Weather Forecast Accuracy Overview, 2021-2024, commissioned by The Weather Company.

Weather Channel

© The Weather Company, LLC 2026