Outdoor conditions in

Lake St. Clair

Missouri

Current concerns

Outdoor planning

Now
  1. 74°Showers And Thunderstorms Likely61% rain90% humidityGusts 14 mph
  2. 77°Chance Showers And Thunderstorms48% rain85% humidityGusts 16 mph
  3. 79°Chance Showers And Thunderstorms35% rain82% humidityGusts 17 mph
  4. 79°Chance Showers And Thunderstorms32% rain82% humidityGusts 18 mph
  5. 79°Chance Showers And Thunderstorms30% rain79% humidityGusts 18 mph
  6. 78°Chance Showers And Thunderstorms35% rain82% humidityGusts 17 mph
  7. 78°Chance Showers And Thunderstorms42% rain79% humidityGusts 18 mph
  8. 75°Chance Showers And Thunderstorms45% rain84% humidityGusts 18 mph
  9. 72°Scattered Showers And Thunderstorms47% rain93% humidityGusts 17 mph
  10. 70°Scattered Showers And Thunderstorms46% rain93% humidityGusts 18 mph
  11. 68°Chance Showers And Thunderstorms62% rain97% humidityGusts 21 mph
  12. 66°Scattered Rain Showers46% rain100% humidityGusts 22 mph
  13. 63°Scattered Rain Showers50% rain100% humidityGusts 22 mph
  14. 59°Chance Rain Showers60% rain100% humidityGusts 21 mph
  15. 56°Isolated Rain Showers22% rain100% humidityGusts 21 mph
  16. 54°Cloudy3% rain100% humidityGusts 21 mph
  17. 52°Mostly Cloudy1% rain100% humidityGusts 21 mph
  18. 50°Mostly Cloudy4% rain100% humidityGusts 21 mph
  19. 48°Mostly Cloudy1% rain100% humidityGusts 23 mph
  20. 46°Mostly Cloudy1% rain96% humidityGusts 24 mph
  21. 43°Mostly Cloudy2% rain100% humidityGusts 25 mph
  22. 43°Mostly Sunny1% rain96% humidityGusts 25 mph
  23. 45°Mostly Sunny0% rain100% humidityGusts 26 mph
  24. 49°Partly Sunny0% rain86% humidityGusts 25 mph
Extra care for

A little farther out

The next five days

Today

Today carries a thunderstorm chance.

Rain
82%
Humidity
79–100%
Wind
22 mph
Fri

Friday has a real shower chance.

Rain
60%
Humidity
71–100%
Wind
26 mph
Sat

Saturday looks fairly quiet.

Rain
5%
Humidity
47–100%
Wind
16 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
40–92%
Wind
8 mph
Mon

Monday looks fairly quiet.

Rain
1%
Humidity
46–100%
Wind
6 mph
  1. 79° / 63°Today carries a thunderstorm chance.82% rain · Humidity 79–100% · Wind 22 mph
  2. 59° / 43°Friday has a real shower chance.60% rain · Humidity 71–100% · Wind 26 mph
  3. 58° / 36°Saturday looks fairly quiet.5% rain · Humidity 47–100% · Wind 16 mph
  4. 65° / 35°Sunday looks fairly quiet.0% rain · Humidity 40–92% · Wind 8 mph
  5. 70° / 37°Monday looks fairly quiet.1% rain · Humidity 46–100% · Wind 6 mph

Environmental watch

Air quality + smoke

Air quality

Saint Louis area · Updated Thu 11:26 AM
62ModerateUS AQI

No fresh outlook yet.

62 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 AM

Air near ground62 · Moderate US AQI

Rain, in motion · Past four hours

Lake St. Clair radar

Radar animation for Lake St. Clair, 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.
Selected timeNowUse caution

Thunder is possible.

Humidity
90%
Wind
5 mph
Gusts
14 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

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 27 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 Lake St. Clair, 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.