Water Temperature of the Rock River in Byron, IL

Current Water Temperature

70.9°F

Measurement Time: Wednesday, June 4, 2025, 5:15 PM CDT

Temperature Locations

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Local Points of Interest

River Park East; Hamas Park; Sunshine Park; Byron Forest Preserve District

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Rock River

Station Name: ROCK RIVER AT BYRON, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 679 feet / 207 meters

Nearest Address:
State Rte 72
Byron, IL 61010
Ogle County

GPS Coordinates: 42.12218889, -89.2553639

Nearby Water Temperatures

Mississippi River, Fulton, IL (48.7 mi)
Mississippi River, Fulton, IL (48.9 mi)
Beaver Slough, Clinton, IA (52.2 mi)
Fox River, McHenry, IL (53.2 mi)
Mississippi River, Camanche, IA (56.4 mi)
Illinois River, Utica, IL (56.9 mi)
Sugar River, Verona, WI (59.0 mi)
Mississippi River, Bellevue, IA (60.5 mi)
Badger Mill Creek, Verona, WI (60.8 mi)
Swan Creek, Fitchburg, WI (60.9 mi)
Illinois River, Marseilles, IL (61.7 mi)
Fox River, Burlington, WI (62.5 mi)
Lake Monona, Madison, WI (65.4 mi)
Eagle Spring Lake, Mukwonago, WI (65.6 mi)
Illinois River, Seneca, IL (65.7 mi)

Weather for Byron, Illinois

Current Weather

57°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 93%
Feels Like: 55.7°F
Wind: ENE 6.9 mph
Wind Gusts: 14.6 mph
Pressure: 30.09 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 8 mi
UV Index: 0

Five Day Weather Forecast

Heavy rain
Wed
H: 73°F
L: 59°F
Partly Cloudy
Thu
H: 80°F
L: 51°F
Overcast
Fri
H: 74°F
L: 59°F
Moderate rain
Sat
H: 78°F
L: 56°F
Moderate rain
Sun
H: 71°F
L: 54°F

Air Quality

AQI: 2 - Moderate
PM2.5: 48.47 μg/m3
PM10: 50.69 μg/m3
Carbon Monoxide: 488.4 μg/m3
Nitrogen Dioxide: 32.38 μg/m3
Sulphur Dioxide: 2.96 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 7 mins
Moonrise: 2:20 PM
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 AM
7:51 PM - 10:21 PM

Minor Periods

1:50 PM - 3:20 PM
1:26 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 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


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


Wednesday, June 4, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 65°F
Average Humidity: 83%
Chance of Rain: 87%
Wind: 10.1 mph
UV Index: 1.3

Air Quality

AQI: 2 - Moderate
PM2.5: 19.41 μg/m3
PM10: 20.22 μg/m3
Carbon Monoxide: 329.6 μg/m3
Nitrogen Dioxide: 7.01 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 104.36 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 7 mins
Moonrise: 2:20 PM
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 AM
7:51 PM - 10:21 PM

Minor Periods

1:50 PM - 3:20 PM
1:26 AM - 2:56 AM

Action Rating: 2 out of 5

Thursday, June 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 65.9°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 32.41 μg/m3
PM10: 33.9 μg/m3
Carbon Monoxide: 449.85 μg/m3
Nitrogen Dioxide: 16.46 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 88.68 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:55 AM
Sunset: 8:30 PM
Daylight: 15 hrs 8 mins
Moonrise: 3:21 PM
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 AM
8:31 PM - 11:01 PM

Minor Periods

2:51 PM - 4:21 PM
1:44 AM - 3:14 AM

Action Rating: 3 out of 5

Friday, June 6, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 65.6°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 27.66 μg/m3
PM10: 28.48 μg/m3
Carbon Monoxide: 416.77 μg/m3
Nitrogen Dioxide: 16.95 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 83.68 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:31 PM
Daylight: 15 hrs 9 mins
Moonrise: 4:23 PM
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 AM
9:11 PM - 11:41 PM

Minor Periods

3:53 PM - 5:23 PM
2:02 AM - 3:32 AM

Action Rating: 2 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 66.4°F
Average Humidity: 74%
Chance of Rain: 86%
Wind: 9.4 mph
UV Index: 1

Air Quality

AQI: 2 - Moderate
PM2.5: 25.72 μg/m3
PM10: 27.72 μg/m3
Carbon Monoxide: 347.13 μg/m3
Nitrogen Dioxide: 18.51 μg/m3
Sulphur Dioxide: 3.02 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:56 AM
Sunset: 8:31 PM
Daylight: 15 hrs 10 mins
Moonrise: 5:25 PM
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 AM
12:00 AM - 12:00 AM

Minor Periods

4:55 PM - 6:25 PM
2:22 AM - 3:52 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 62.3°F
Average Humidity: 76%
Chance of Rain: 88%
Wind: 18.1 mph
UV Index: 1.6

Air Quality

AQI: 2 - Moderate
PM2.5: 35.05 μg/m3
PM10: 37.98 μg/m3
Carbon Monoxide: 459.8 μg/m3
Nitrogen Dioxide: 39.66 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 64.23 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:56 AM
Sunset: 8:32 PM
Daylight: 15 hrs 11 mins
Moonrise: 6:30 PM
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 AM
12:00 AM - 12:00 AM

Minor Periods

6:00 PM - 7:30 PM
2:45 AM - 4:15 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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