Outdoor conditions in

Troy

Illinois
Air qualityAir quality is moderate at the official reporting area.Air near ground level
Now
  1. 80°Chance Showers And Thunderstorms51% rain82% humidityGusts 17 mph
  2. 79°Showers And Thunderstorms Likely55% rain85% humidityGusts 17 mph
  3. 78°Showers And Thunderstorms Likely59% rain85% humidityGusts 17 mph
  4. 77°Chance Showers And Thunderstorms51% rain85% humidityGusts 16 mph
  5. 71°Chance Showers And Thunderstorms40% rain100% humidityGusts 16 mph
  6. 70°Chance Showers And Thunderstorms49% rain100% humidityGusts 17 mph
  7. 69°Showers And Thunderstorms Likely65% rain100% humidityGusts 17 mph
  8. 69°Rain Showers Likely56% rain100% humidityGusts 18 mph
  9. 65°Chance Rain Showers44% rain100% humidityGusts 24 mph
  10. 60°Chance Rain Showers39% rain100% humidityGusts 25 mph
  11. 56°Slight Chance Rain Showers21% rain100% humidityGusts 25 mph
  12. 54°Slight Chance Rain Showers15% rain100% humidityGusts 26 mph
  13. 53°Slight Chance Rain Showers16% rain96% humidityGusts 25 mph
  14. 53°Cloudy10% rain89% humidityGusts 25 mph
  15. 51°Cloudy9% rain93% humidityGusts 25 mph
  16. 50°Mostly Cloudy9% rain89% humidityGusts 25 mph
  17. 51°Mostly Cloudy3% rain80% humidityGusts 26 mph
  18. 49°Mostly Sunny0% rain86% humidityGusts 26 mph
  19. 51°Sunny0% rain80% humidityGusts 28 mph
  20. 53°Mostly Sunny0% rain71% humidityGusts 28 mph
  21. 54°Mostly Cloudy0% rain66% humidityGusts 29 mph
  22. 54°Mostly Cloudy0% rain66% humidityGusts 29 mph
  23. 55°Mostly Cloudy2% rain64% humidityGusts 28 mph
  24. 55°Mostly Cloudy6% rain66% humidityGusts 29 mph
Extra care for

A little farther out

The next five days

Today

Today carries a thunderstorm chance.

Rain
72%
Humidity
82–100%
Wind
24 mph
Fri

Friday looks breezy.

Rain
39%
Humidity
64–100%
Wind
29 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
39–92%
Wind
18 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
32–85%
Wind
10 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
36–92%
Wind
8 mph
  1. 80° / 65°Today carries a thunderstorm chance.72% rain · Humidity 82–100% · Wind 24 mph
  2. 60° / 47°Friday looks breezy.39% rain · Humidity 64–100% · Wind 29 mph
  3. 60° / 38°Saturday looks fairly quiet.0% rain · Humidity 39–92% · Wind 18 mph
  4. 67° / 36°Sunday looks fairly quiet.0% rain · Humidity 32–85% · Wind 10 mph
  5. 71° / 39°Monday looks fairly quiet.0% rain · Humidity 36–92% · Wind 8 mph

Environmental watch

Air quality + smoke

Air quality

St. Louis (Metro-east) area · Updated Thu 3:26 PM
54ModerateUS AQI

No fresh outlook yet.

54 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 1:45 PM

Air near ground54 · Moderate US AQI

Rain, in motion · Past four hours

Troy radar

Ready when you areSee what is moving toward Troy.

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

Sustained wind is 12 mph. Gusts may reach 17 mph. Thunder is possible.

Humidity
82%
Wind
12 mph
Gusts
17 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 St. Louis (Metro-east) area, about 11 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 Troy, IL, 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.