Current Weather

7:48 AM

65°F

Current Air Quality

Today

9/25

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

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

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Tree Pollen

Low

The risk of tree pollen symptoms is low.

Ragweed Pollen

Moderate

The risk for ragweed pollen symptoms is moderate. Avoid walking in areas with tall grass or plants.

Mold

High

The risk of mold allergy symptoms is high. Remove your shoes as soon as you return inside.

Grass Pollen

High

The risk of grass pollen symptoms is high. Limit your time outdoors in the early morning and mid-afternoon hours.

Dust & Dander

High

The risk of dust and dander allergy symptoms is high. Be sure you're vacuuming with a HEPA-approved filter.

Arthritis

Low

The risk of experiencing weather-related arthritis pain is low.

Sinus Pressure

High

The risk of weather-related sinus pressure is high. Taking a hot shower may help ease sinus pressure.

Common Cold

Moderate

The risk of catching a cold is moderate.

Flu

Low

The risk of catching the flu is low.

Migraine

Low

The risk of suffering from a weather-related migraine is low.

Asthma

High

The risk of asthma symptoms is high. Be sure to use HEPA filters in your home to cut down on indoor asthma triggers.

Fishing

Poor

Fishing conditions are poor.

Running

Good

Conditions for running are good. Be sure to wear sunscreen and UV-protective activewear.

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

Good

Conditions for a day at the beach or pool are good. Be sure to wear sunscreen and UV-protective clothing when spending time outdoors.

Stargazing

Fair

Conditions for stargazing are fair. On cloudy nights, you may still be able to see the moon and some brighter stars, depending on the season.

Hiking

Good

Conditions for hiking are good. Stay hydrated and bring enough water to last the entire hike.

Lawn Mowing

Good

Conditions for lawn mowing are good. Alternating mowing patterns can help all areas of your lawn grow.

Composting

Good

Composting conditions are good. Make sure you frequently add water to your compost to keep it moist.

Outdoor Entertaining

Good

Conditions for outdoor entertaining will be good. Make sure you have shade available, so guests do not overheat.

Air Travel

Ideal

Conditions for flying are ideal. Have a safe trip.

Driving

Fair

Conditions for driving are fair. Keep up with your car maintenance, such as inspecting your windshield wipers and checking your tire treads.

Mosquitos

Extreme

The risk for mosquito activity are extremely high. Wear long-sleeved shirts and pants when spending time outdoors to prevent bites.

Indoor Pests

Moderate

The risk for pest activity is moderate. Do not leave food unattended and clear counters of crumbs.

Outdoor Pests

Extreme

The risk for pest activity is extremely high. Eliminate standing water in rain gutters, buckets, and in tires where pests can breed.

See all

TODAY’S WEATHER FORECAST

9/25

87°Hi

RealFeel® 89°

Some sun with a shower

TONIGHT’S WEATHER FORECAST

TOMORROW’S WEATHER FORECAST

9/26

85°/ 61°

RealFeel® 88°

A t-storm around in the p.m.

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Current Air Quality

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

Learn more at

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.

TODAY’S WEATHER FORECAST

TONIGHT’S WEATHER FORECAST

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Weather Near St. Charles:

St. Charles, MO

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Astronomy

Business

Climate

Health

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Winter Center

Today

Current Weather

Current Air Quality

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

Learn more at

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.

TODAY’S WEATHER FORECAST

TONIGHT’S WEATHER FORECAST

TOMORROW’S WEATHER FORECAST

St. Charles Weather Radar

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Podcasts

Winter Center

Weather Near St. Charles:

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