Weather for Byron, Illinois
Current Weather
Humidity: 83%
Feels Like: 60.1°F
Wind: E 6.7 mph
Wind Gusts: 14.1 mph
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 8 mi
UV Index: 0
Five Day Weather Forecast
Wed
H: 73°F
L: 59°F
Thu
H: 83°F
L: 50°F
Fri
H: 82°F
L: 57°F
Sat
H: 73°F
L: 55°F
Sun
H: 71°F
L: 54°F
Air Quality
Nitrogen Dioxide: 38.11 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 59 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 7 mins
Moon Transit: 8:21 PM
Moonset: 1:56 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
7:38 AM - 10:08 AM7:51 PM - 10:21 PM
Minor Periods
1:50 PM - 3:20 PM1:26 AM - 2:56 AM
Action Rating: 2 out of 5
Air Quality Alert issued June 4 at 12:43PM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed June 4, 2025, 12:43 PM
Expires: Thu June 5, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for all of east central, south central, and southeast Wisconsin. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...Southern and eastern Wisconsin. WHEN...From noon Wednesday through noon Thursday. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Improving air quality is expected to move into Wisconsin from the northwest on Wednesday. However, smoke will continue to impact surface air quality across southern and eastern Wisconsin. Unhealthy AQI is most likely in eastern areas near the Green Bay and Lake Michigan water bodies. Unhealthy for Sensitive Groups AQI is more likely for western portions of the advisory area. For more information on current air quality, please see: https://airquality.wi.gov
Air Quality Alert issued June 4 at 12:43PM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed June 4, 2025, 12:43 PM
Expires: Thu June 5, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for all of east central, south central, and southeast Wisconsin. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...Southern and eastern Wisconsin. WHEN...From noon Wednesday through noon Thursday. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Improving air quality is expected to move into Wisconsin from the northwest on Wednesday. However, smoke will continue to impact surface air quality across southern and eastern Wisconsin. Unhealthy AQI is most likely in eastern areas near the Green Bay and Lake Michigan water bodies. Unhealthy for Sensitive Groups AQI is more likely for western portions of the advisory area. For more information on current air quality, please see: https://airquality.wi.gov
Air Quality Alert issued June 4 at 10:57AM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed June 4, 2025, 10:57 AM
Expires: Wed June 4, 2025, 7:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for all of east central, south central, and southeast Wisconsin. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...Southern and eastern Wisconsin. WHEN...From noon Wednesday through noon Thursday. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Improving air quality is expected to move into Wisconsin from the northwest on Wednesday. However, smoke will continue to impact surface air quality across southern and eastern Wisconsin. Unhealthy AQI is most likely in eastern areas near the Green Bay and Lake Michigan water bodies. Unhealthy for Sensitive Groups AQI is more likely for western portions of the advisory area. For more information on current air quality, please see: https://airquality.wi.gov
Air Quality Alert issued June 4 at 12:43PM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed June 4, 2025, 12:43 PM
Expires: Thu June 5, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for all of east central, south central, and southeast Wisconsin. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...Southern and eastern Wisconsin. WHEN...From noon Wednesday through noon Thursday. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Improving air quality is expected to move into Wisconsin from the northwest on Wednesday. However, smoke will continue to impact surface air quality across southern and eastern Wisconsin. Unhealthy AQI is most likely in eastern areas near the Green Bay and Lake Michigan water bodies. Unhealthy for Sensitive Groups AQI is more likely for western portions of the advisory area. For more information on current air quality, please see: https://airquality.wi.gov
Air Quality Alert issued June 4 at 12:43PM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed June 4, 2025, 12:43 PM
Expires: Thu June 5, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for all of east central, south central, and southeast Wisconsin. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...Southern and eastern Wisconsin. WHEN...From noon Wednesday through noon Thursday. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Improving air quality is expected to move into Wisconsin from the northwest on Wednesday. However, smoke will continue to impact surface air quality across southern and eastern Wisconsin. Unhealthy AQI is most likely in eastern areas near the Green Bay and Lake Michigan water bodies. Unhealthy for Sensitive Groups AQI is more likely for western portions of the advisory area. For more information on current air quality, please see: https://airquality.wi.gov
Weather Forecast
Average Temperature: 64.3°F
Average Humidity: 87%
Wind: 10.1 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 7.01 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 104.36 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 7 mins
Moon Transit: 8:21 PM
Moonset: 1:56 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
7:38 AM - 10:08 AM7:51 PM - 10:21 PM
Minor Periods
1:50 PM - 3:20 PM1:26 AM - 2:56 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 64.6°F
Average Humidity: 71%
Wind: 11.2 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 16.46 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 88.68 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:30 PM
Daylight: 15 hrs 8 mins
Moon Transit: 9:01 PM
Moonset: 2:14 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%
Best Times for Fishing or Hunting
Major Periods
8:17 AM - 10:47 AM8:31 PM - 11:01 PM
Minor Periods
2:51 PM - 4:21 PM1:44 AM - 3:14 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 67.4°F
Average Humidity: 57%
Wind: 6.5 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 16.95 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 83.68 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 8:31 PM
Daylight: 15 hrs 9 mins
Moon Transit: 9:41 PM
Moonset: 2:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%
Best Times for Fishing or Hunting
Major Periods
8:57 AM - 11:27 AM9:11 PM - 11:41 PM
Minor Periods
3:53 PM - 5:23 PM2:02 AM - 3:32 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 64°F
Average Humidity: 65%
Wind: 9.8 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 18.51 μg/m3
Sulphur Dioxide: 3.02 μg/m3
Ozone: 84 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 8:31 PM
Daylight: 15 hrs 10 mins
Moon Transit: 10:24 PM
Moonset: 2:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
9:38 AM - 12:08 AM12:00 AM - 12:00 AM
Minor Periods
4:55 PM - 6:25 PM2:22 AM - 3:52 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 61.5°F
Average Humidity: 81%
Wind: 18.8 mph
UV Index: 1.6
Air Quality
Nitrogen Dioxide: 39.66 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 64.23 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 8:32 PM
Daylight: 15 hrs 11 mins
Moon Transit: 11:10 PM
Moonset: 3:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
10:23 AM - 12:53 AM12:00 AM - 12:00 AM
Minor Periods
6:00 PM - 7:30 PM2:45 AM - 4:15 AM
Action Rating: 2 out of 5