Today carries a thunderstorm chance.
- Rain
- 80%
- Humidity
- 74–97%
- Wind
- 24 mph
Current concerns
Outdoor planning
Now
- 70°Patchy Fog74% rain93% humidityGusts 8 mph
- 70°Patchy Fog80% rain97% humidityGusts 10 mph
- 73°Patchy Fog79% rain90% humidityGusts 12 mph
- 75°Showers And Thunderstorms Likely69% rain87% humidityGusts 13 mph
- 78°Chance Showers And Thunderstorms53% rain82% humidityGusts 14 mph
- 79°Chance Showers And Thunderstorms43% rain82% humidityGusts 15 mph
- 80°Chance Showers And Thunderstorms38% rain79% humidityGusts 16 mph
- 80°Chance Showers And Thunderstorms34% rain77% humidityGusts 17 mph
- 80°Chance Showers And Thunderstorms35% rain77% humidityGusts 17 mph
- 80°Chance Showers And Thunderstorms43% rain74% humidityGusts 18 mph
- 79°Chance Showers And Thunderstorms45% rain77% humidityGusts 18 mph
- 75°Scattered Showers And Thunderstorms47% rain84% humidityGusts 18 mph
- 73°Chance Showers And Thunderstorms58% rain87% humidityGusts 18 mph
- 70°Chance Showers And Thunderstorms71% rain93% humidityGusts 21 mph
- 68°Scattered Rain Showers52% rain97% humidityGusts 23 mph
- 65°Chance Rain Showers57% rain97% humidityGusts 24 mph
- 61°Chance Rain Showers64% rain100% humidityGusts 24 mph
- 58°Isolated Rain Showers24% rain100% humidityGusts 24 mph
- 56°Cloudy4% rain96% humidityGusts 24 mph
- 54°Cloudy1% rain96% humidityGusts 23 mph
- 53°Mostly Cloudy1% rain93% humidityGusts 23 mph
- 51°Mostly Cloudy1% rain93% humidityGusts 24 mph
- 50°Mostly Cloudy0% rain89% humidityGusts 25 mph
- 49°Mostly Cloudy0% rain86% humidityGusts 26 mph
A little farther out
The next five days
Friday has a real shower chance.
- Rain
- 64%
- Humidity
- 69–100%
- Wind
- 29 mph
Saturday looks fairly quiet.
- Rain
- 4%
- Humidity
- 44–96%
- Wind
- 17 mph
Sunday looks fairly quiet.
- Rain
- 0%
- Humidity
- 38–85%
- Wind
- 9 mph
Monday looks fairly quiet.
- Rain
- 1%
- Humidity
- 42–93%
- Wind
- 5 mph
- 80° / 65°Today carries a thunderstorm chance.80% rain · Humidity 74–97% · Wind 24 mph
- 61° / 48°Friday has a real shower chance.64% rain · Humidity 69–100% · Wind 29 mph
- 60° / 40°Saturday looks fairly quiet.4% rain · Humidity 44–96% · Wind 17 mph
- 67° / 39°Sunday looks fairly quiet.0% rain · Humidity 38–85% · Wind 9 mph
- 72° / 42°Monday looks fairly quiet.1% rain · Humidity 42–93% · Wind 5 mph
Environmental watch
Air quality + smoke
Air quality
Saint Louis area · Updated Thu 7:25 AMNo fresh outlook yet.
65 is in the Moderate range (51–100). Most people can be active outside; if you’re unusually sensitive to fine particles, consider a shorter or easier outing.
Sky check
No plume detected overhead
Satellite view · Updated Thu 7:45 AMAir near ground65 · Moderate US AQI
Rain, in motion · Past four hours
Chesterfield radar
Radar animation for Chesterfield, covering the past four hours. A marked spot changes the map view, not the forecast on this page.
Outdoor fire check
Thinking about a backyard fire?
Use extra caution.
There is no lower-concern three-hour stretch in the next 12 hours.
Next 12 hoursChoose a time to see what is driving the concern.
Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.
Nearby regional view
Explore St. Louis
About 14 miles away, the St. Louis hub looks more deeply at St. Louis, MO-IL. It reflects that wider area rather than Chesterfield’s exact conditions.
About these readingsSources and local limits
Weather
Forecasts, alerts, and radar come from NOAA and the National Weather Service.
Air quality
This reading describes Saint Louis area, about 7 miles away. Conditions can differ at this exact spot.
Smoke
Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.
This page represents Chesterfield, MO, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.