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St. Charles, IL

43°F
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St. Charles

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St. Charles, IL Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

3:48 AM

43°F
RealFeel® 41°
Air Quality Fair
Wind S 5 mph
Wind Gusts 10 mph
Clear More Details

Current Air Quality

Today

12/8

30
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

More Details

Learn more at Plumb Labs Logo

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.

Health & Activities
See all
Tree Pollen
Low
The risk of tree pollen symptoms is low.
Ragweed Pollen
Low
The risk for ragweed pollen symptoms is low.
Mold
Low
The risk of mold allergy symptoms is low.
Grass Pollen
Low
The risk of grass pollen symptoms is low.
Dust & Dander
Moderate
The risk of dust and dander allergy symptoms is moderate. Closing your windows on windy days can help prevent outside dust or dander from getting into your home.
Arthritis
High
The risk of experiencing weather-related arthritis pain is high. Focus on low-impact aerobic exercises.
Sinus Pressure
High
The risk of weather-related sinus pressure is high. Taking a hot shower may help ease sinus pressure.
Common Cold
Low
The risk of catching a cold is low.
Flu
Low
The risk of catching the flu is low.
Migraine
Moderate
The risk of suffering from a weather-related migraine is moderate.
Asthma
Low
The risk of asthma symptoms is low.
Fishing
Poor
Fishing conditions are poor.
Running
Great
Conditions for running are great. Be sure to warm up and cool down adequately.
Golf
Good
Conditions for golfing are good. Wear sunscreen while out on the course.
Biking & Cycling
Good
Conditions for cycling are good. Stay hydrated to make the most of your ride.
Beach & Pool
Poor
Conditions for a day at the beach or pool are poor. Stay out of the water if there is a chance of lightning. Only swim in water temperatures below 55 degrees if you have the proper gear.
Stargazing
Great
Conditions for stargazing are great. Invest in a red flashlight. It can help prevent additional light pollution.
Hiking
Good
Conditions for hiking are good. Stay hydrated and bring enough water to last the entire hike.
Lawn Mowing
Poor
Conditions for lawn mowing are poor. Avoid mowing your lawn when it is wet, or temperatures are too cold.
Composting
Poor
Composting conditions are poor. Keep your compost area covered.
Outdoor Entertaining
Poor
Conditions for outdoor entertaining will be poor. Consider moving your party indoors or under some form of cover.
Air Travel
Ideal
Conditions for flying are ideal. Have a safe trip.
Driving
Ideal
Conditions for driving are ideal.
Mosquitos
Low
The risk for mosquito activity are low.
Indoor Pests
High
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects near your home.
Outdoor Pests
Low
The risk for pest activity is low.
See all

TODAY’S WEATHER FORECAST

12/8
56°Hi
RealFeel® 50°
Some sun, then clouds; breezy

TONIGHT’S WEATHER FORECAST

12/8
43°Lo
RealFeel® 38°
Periods of rain and a t-storm

TOMORROW’S WEATHER FORECAST

12/9
49°/ 28°
RealFeel® 41°
A little morning rain; breezy

Looking Ahead

Rain and thunderstorms this evening through early tomorrow morning

St. Charles Weather Radar

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World North America United States Illinois St. Charles

Weather Near St. Charles:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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