Outdoor conditions in

Byron

Illinois
Now
  1. 57°Scattered Rain Showers30% rain90% humidityGusts 14 mph
  2. 57°Scattered Rain Showers30% rain90% humidityGusts 14 mph
  3. 58°Rain Showers87% rain92% humidityGusts 14 mph
  4. 58°Rain Showers87% rain90% humidityGusts 14 mph
  5. 58°Rain Showers87% rain92% humidityGusts 14 mph
  6. 59°Rain Showers80% rain93% humidityGusts 14 mph
  7. 60°Rain Showers80% rain94% humidityGusts 13 mph
  8. 61°Rain Showers80% rain93% humidityGusts 10 mph
  9. 62°Rain Showers80% rain94% humidityGusts 9 mph
  10. 62°Rain Showers80% rain97% humidityGusts 9 mph
  11. 62°Rain Showers80% rain97% humidityGusts 10 mph
  12. 62°Chance Rain Showers57% rain98% humidityGusts 12 mph
  13. 61°Chance Rain Showers57% rain95% humidityGusts 15 mph
  14. 60°Chance Rain Showers57% rain94% humidityGusts 18 mph
  15. 58°Isolated Rain Showers20% rain93% humidityGusts 23 mph
  16. 57°Isolated Rain Showers20% rain92% humidityGusts 25 mph
  17. 55°Isolated Rain Showers20% rain91% humidityGusts 28 mph
  18. 53°Cloudy3% rain88% humidityGusts 29 mph
  19. 51°Cloudy3% rain87% humidityGusts 30 mph
  20. 50°Mostly Cloudy3% rain88% humidityGusts 30 mph
  21. 50°Mostly Cloudy1% rain90% humidityGusts 30 mph
  22. 50°Mostly Cloudy1% rain89% humidityGusts 29 mph
  23. 48°Partly Sunny1% rain87% humidityGusts 28 mph
  24. 48°Partly Sunny4% rain87% humidityGusts 28 mph
Extra care for

A little farther out

The next five days

Today

Today looks wet for a meaningful stretch.

Rain
87%
Humidity
89–98%
Wind
25 mph
Fri

Friday has a real shower chance.

Rain
46%
Humidity
76–91%
Wind
35 mph
Sat

Saturday looks fairly quiet.

Rain
4%
Humidity
41–91%
Wind
15 mph
Sun

Sunday looks breezy.

Rain
0%
Humidity
45–77%
Wind
26 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
44–92%
Wind
12 mph
  1. 62° / 57°Today looks wet for a meaningful stretch.87% rain · Humidity 89–98% · Wind 25 mph
  2. 55° / 40°Friday has a real shower chance.46% rain · Humidity 76–91% · Wind 35 mph
  3. 55° / 30°Saturday looks fairly quiet.4% rain · Humidity 41–91% · Wind 15 mph
  4. 61° / 38°Sunday looks breezy.0% rain · Humidity 45–77% · Wind 26 mph
  5. 67° / 40°Monday looks fairly quiet.0% rain · Humidity 44–92% · Wind 12 mph

Environmental watch

Air quality + smoke

Air quality

Rockford area · Updated Thu 8:26 AM
15GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground15 · Good US AQI

Rain, in motion · Past four hours

Byron radar

Ready when you areSee what is moving toward Byron.

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?

Weather is less concerning around 4 PM–7 PM.

Humidity stays higher and winds stay lighter for at least three hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowLower weather concern

Humidity is 90% with light wind and gusts below 15 mph.

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 Rockford area, about 18 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 Byron, 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.