Today carries a thunderstorm chance.
- Rain
- 78%
- Humidity
- 77–97%
- Wind
- 21 mph
Current concerns
Outdoor planning
Now
- 69°Patchy Fog72% rain97% humidityGusts 8 mph
- 70°Patchy Fog74% rain97% humidityGusts 9 mph
- 72°Patchy Fog78% rain93% humidityGusts 10 mph
- 75°Showers And Thunderstorms Likely65% rain87% humidityGusts 13 mph
- 77°Chance Showers And Thunderstorms52% rain85% humidityGusts 14 mph
- 79°Chance Showers And Thunderstorms43% rain82% humidityGusts 15 mph
- 80°Chance Showers And Thunderstorms38% rain79% humidityGusts 16 mph
- 79°Chance Showers And Thunderstorms33% rain82% humidityGusts 17 mph
- 79°Chance Showers And Thunderstorms35% rain82% humidityGusts 17 mph
- 80°Chance Showers And Thunderstorms42% rain77% humidityGusts 18 mph
- 78°Chance Showers And Thunderstorms45% rain79% humidityGusts 17 mph
- 74°Scattered Showers And Thunderstorms47% rain87% humidityGusts 17 mph
- 72°Chance Showers And Thunderstorms56% rain90% humidityGusts 17 mph
- 70°Chance Showers And Thunderstorms70% rain93% humidityGusts 18 mph
- 69°Scattered Rain Showers51% rain97% humidityGusts 20 mph
- 65°Chance Rain Showers56% rain97% humidityGusts 21 mph
- 62°Chance Rain Showers65% rain97% humidityGusts 21 mph
- 58°Scattered Rain Showers25% rain100% humidityGusts 21 mph
- 56°Cloudy5% rain96% humidityGusts 21 mph
- 55°Cloudy2% rain93% humidityGusts 21 mph
- 53°Mostly Cloudy1% rain93% humidityGusts 21 mph
- 51°Mostly Cloudy1% rain93% humidityGusts 22 mph
- 50°Mostly Cloudy0% rain89% humidityGusts 23 mph
- 51°Mostly Cloudy0% rain80% humidityGusts 24 mph
A little farther out
The next five days
Friday has a real shower chance.
- Rain
- 65%
- Humidity
- 69–100%
- Wind
- 28 mph
Saturday looks fairly quiet.
- Rain
- 5%
- Humidity
- 44–96%
- Wind
- 15 mph
Sunday looks fairly quiet.
- Rain
- 0%
- Humidity
- 41–89%
- Wind
- 9 mph
Monday looks fairly quiet.
- Rain
- 1%
- Humidity
- 44–93%
- Wind
- 5 mph
- 80° / 65°Today carries a thunderstorm chance.78% rain · Humidity 77–97% · Wind 21 mph
- 62° / 48°Friday has a real shower chance.65% rain · Humidity 69–100% · Wind 28 mph
- 60° / 40°Saturday looks fairly quiet.5% rain · Humidity 44–96% · Wind 15 mph
- 66° / 38°Sunday looks fairly quiet.0% rain · Humidity 41–89% · Wind 9 mph
- 71° / 41°Monday looks fairly quiet.1% rain · Humidity 44–93% · Wind 5 mph
Environmental watch
Air quality + smoke
Air quality
Saint Louis area · Updated Thu 8:26 AMNo fresh outlook yet.
56 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 ground56 · Moderate US AQI
Rain, in motion · Past four hours
Ballwin radar
Radar animation for Ballwin, 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 15 miles away, the St. Louis hub looks more deeply at St. Louis, MO-IL. It reflects that wider area rather than Ballwin’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 9 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 Ballwin, 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.