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O'Fallon, MO

77° F
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O'Fallon

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O'Fallon, MO Weather
Now Hourly Daily Radar MinuteCast Monthly Air Quality

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Now

 Hourly Daily Radar MinuteCast Monthly Air Quality
Heat Advisory

Current Weather

4:51 AM

77°F
RealFeel® 85°
Air Quality Fair
Wind WNW 1 mph
Wind Gusts 3 mph
Mostly cloudy More Details

Current Air Quality

33
AQI

Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Based on Current Pollutants

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Current Air Quality

Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. There are at least six different pollutants that we track that impact the cleanliness of air and your health.

Allergy Outlook
Tree Pollen Low
Grass Pollen Low
Ragweed Pollen Low
Mold Low
Dust & Dander Extreme
See Weekly Outlook

TODAY’S WEATHER FORECAST

7/29
99°Hi
RealFeel® 108°
Very hot with periods of sun

TONIGHT’S WEATHER FORECAST

7/29
75°Lo
RealFeel® 78°
A heavy t-storm this evening

TOMORROW’S WEATHER FORECAST

7/30
85°/ 66°
RealFeel® 95°
Cooler with a thunderstorm

Looking Ahead

Watch for a heavy thunderstorm this evening

O'Fallon Weather Radar

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O'Fallon Weather Radar
O'Fallon Weather Radar
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O'Fallon Weather Radar

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O'Fallon

Weather Near O'Fallon:

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