Outdoor conditions in

Herculaneum

Missouri
Now
  1. 77°Showers And Thunderstorms Likely58% rain82% humidityGusts 12 mph
  2. 80°Chance Showers And Thunderstorms53% rain77% humidityGusts 14 mph
  3. 81°Chance Showers And Thunderstorms47% rain77% humidityGusts 16 mph
  4. 82°Chance Showers And Thunderstorms41% rain74% humidityGusts 17 mph
  5. 81°Chance Showers And Thunderstorms35% rain77% humidityGusts 17 mph
  6. 81°Chance Showers And Thunderstorms35% rain79% humidityGusts 17 mph
  7. 81°Chance Showers And Thunderstorms40% rain77% humidityGusts 17 mph
  8. 80°Chance Showers And Thunderstorms43% rain77% humidityGusts 18 mph
  9. 76°Scattered Showers And Thunderstorms47% rain85% humidityGusts 17 mph
  10. 72°Scattered Showers And Thunderstorms40% rain93% humidityGusts 17 mph
  11. 71°Scattered Showers And Thunderstorms42% rain97% humidityGusts 18 mph
  12. 70°Scattered Showers And Thunderstorms41% rain97% humidityGusts 20 mph
  13. 66°Scattered Rain Showers50% rain100% humidityGusts 23 mph
  14. 63°Chance Rain Showers69% rain97% humidityGusts 23 mph
  15. 59°Scattered Rain Showers34% rain100% humidityGusts 23 mph
  16. 55°Isolated Rain Showers21% rain100% humidityGusts 23 mph
  17. 53°Cloudy8% rain100% humidityGusts 23 mph
  18. 50°Cloudy8% rain100% humidityGusts 22 mph
  19. 48°Mostly Cloudy3% rain100% humidityGusts 23 mph
  20. 47°Mostly Cloudy1% rain100% humidityGusts 23 mph
  21. 46°Mostly Cloudy3% rain93% humidityGusts 24 mph
  22. 44°Partly Sunny1% rain96% humidityGusts 26 mph
  23. 48°Mostly Sunny0% rain89% humidityGusts 26 mph
  24. 52°Partly Sunny0% rain80% humidityGusts 25 mph
Extra care for

A little farther out

The next five days

Today

Today carries a thunderstorm chance.

Rain
67%
Humidity
74–100%
Wind
23 mph
Fri

Friday has a real shower chance.

Rain
69%
Humidity
62–100%
Wind
26 mph
Sat

Saturday looks fairly quiet.

Rain
5%
Humidity
44–100%
Wind
18 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
36–96%
Wind
9 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
39–100%
Wind
7 mph
  1. 82° / 66°Today carries a thunderstorm chance.67% rain · Humidity 74–100% · Wind 23 mph
  2. 63° / 44°Friday has a real shower chance.69% rain · Humidity 62–100% · Wind 26 mph
  3. 60° / 37°Saturday looks fairly quiet.5% rain · Humidity 44–100% · Wind 18 mph
  4. 67° / 35°Sunday looks fairly quiet.0% rain · Humidity 36–96% · Wind 9 mph
  5. 72° / 37°Monday looks fairly quiet.0% rain · Humidity 39–100% · Wind 7 mph

Environmental watch

Air quality + smoke

Air quality

Bonne Terre area · Updated Thu 11:26 AM
12GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground12 · Good US AQI

Rain, in motion · Past four hours

Herculaneum radar

Ready when you areSee what is moving toward Herculaneum.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

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
82%
Wind
6 mph
Gusts
12 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 Bonne Terre area, about 25 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 Herculaneum, 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.