Water Temperature of the Rock River in Byron, IL
Current Water Temperature
Measurement Time: Saturday, June 13, 2026, 2:15 AM CDT
Temperature Locations
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Local Points of Interest
River Park East; Hamas Park; Sunshine Park; Byron Forest Preserve DistrictStation Name: ROCK RIVER AT BYRON, IL
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 679 feet
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 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

Five Day Weather Forecast

Sat
H: 88°F
L: 62°F

Sun
H: 66°F
L: 54°F

Mon
H: 71°F
L: 50°F

Tue
H: 76°F
L: 54°F

Wed
H: 73°F
L: 60°F
Air Quality
Nitrogen Dioxide: 4.3 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 63 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:34 PM
Daylight: 15 hrs 14 mins
Moon Transit: 11:24 AM
Moonset: 7:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:54 AM - 1:24 PM
Minor Periods
7:02 PM - 8:32 PM2:58 AM - 4:28 AM
Action Rating: 3 out of 5
Flood Warning issued June 12 at 9:24PM CDT until June 13 at 3:46PM CDT by NWS Chicago IL
Effective: Fri June 12, 2026, 9:24 PM
Expires: Sat June 13, 2026, 3:30 PM
...The Flood Warning is extended for the following rivers in Illinois... Kishwaukee River near Perryville affecting Winnebago County. For the Kishwaukee River...including Perryville...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kishwaukee River from Confluence with South Branch Kishwaukee River downstream to the Rock River, including the Perryville gauge. * WHEN...Until tomorrow afternoon. * IMPACTS...At 13.0 feet, Roadways threatened at Blackhawk Valley Campground south of Rockford. * ADDITIONAL DETAILS... - At 8:30 PM CDT Friday the stage was 13.1 feet. - Forecast...The river is cresting and will fall below flood stage Saturday afternoon. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Saturday afternoon.
Flood Warning issued June 12 at 11:18AM CDT until June 15 at 7:31AM CDT by NWS Quad Cities IA IL
Effective: Fri June 12, 2026, 11:18 AM
Expires: Sat June 13, 2026, 11:30 AM
...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Illinois... Rock River near Joslin affecting Rock Island, Henry IL and Whiteside Counties. * WHAT...Minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...From Saturday morning to Monday morning. * IMPACTS...At 13.0 feet, Flooding of unprotected agricultural land occurs. Water also affects Lundeens Landing Campground. * ADDITIONAL DETAILS... - At 10:45 AM CDT Friday the stage was 8.2 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 13.0 feet early Sunday morning. It will then fall below flood stage late Sunday evening. - Flood stage is 12.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued by Saturday morning at 1130 AM CDT.
Flood Warning issued June 12 at 9:31PM CDT until June 15 at 6:36AM CDT by NWS Quad Cities IA IL
Effective: Fri June 12, 2026, 9:31 PM
Expires: Sat June 13, 2026, 9:45 PM
...The Flood Warning continues for the following rivers in Iowa... Illinois... Maquoketa River near Maquoketa affecting Jackson County. Cedar River near Conesville affecting Louisa and Muscatine Counties. Rock River near Joslin affecting Henry IL, Whiteside and Rock Island Counties. La Moine River at Colmar affecting McDonough and Hancock Counties. Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. Iowa River at Wapello affecting Louisa County. ...The Flood Warning is extended for the following rivers in Illinois... Rock River at Moline affecting Henry IL and Rock Island Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... English River at Kalona affecting Johnson and Washington Counties. .Recent rounds of heavy rainfall are producing flooding on several area tributary rivers. * WHAT...Minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...From Saturday morning to Monday morning. * IMPACTS...At 13.0 feet, Flooding of unprotected agricultural land occurs. Water also affects Lundeens Landing Campground. * ADDITIONAL DETAILS... - At 8:45 PM CDT Friday the stage was 10.0 feet and rising. - Forecast...The river is expected to rise above flood stage tomorrow morning to a crest of 13.0 feet early Sunday morning. It will then fall below flood stage late Sunday evening. - Flood stage is 12.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by this evening at 1045 PM CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.22 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 69.33 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:34 PM
Daylight: 15 hrs 14 mins
Moon Transit: 11:24 AM
Moonset: 7:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:54 AM - 1:24 PM
Minor Periods
7:02 PM - 8:32 PM2:58 AM - 4:28 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.61 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 57.92 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:35 PM
Daylight: 15 hrs 15 mins
Moon Transit: 12:30 AM
Moonset: 8:47 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 2:30 PM
Minor Periods
8:17 PM - 9:47 PM3:49 AM - 5:19 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.31 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 57.13 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:35 PM
Daylight: 15 hrs 15 mins
Moon Transit: 1:38 PM
Moonset: 9:50 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
12:41 AM - 3:11 AM1:08 PM - 3:38 PM
Minor Periods
9:20 PM - 10:50 PM4:53 AM - 6:23 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.64 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 62.38 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:36 PM
Daylight: 15 hrs 15 mins
Moon Transit: 2:44 PM
Moonset: 10:40 PM
Moon Phase: New
Moon Illumination: 1.0%
Best Times for Fishing or Hunting
Major Periods
1:48 AM - 4:18 AM2:14 PM - 4:44 PM
Minor Periods
10:10 PM - 11:40 PM6:09 AM - 7:39 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.41 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 33.63 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:36 PM
Daylight: 15 hrs 16 mins
Moon Transit: 3:45 PM
Moonset: 11:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%
Best Times for Fishing or Hunting
Major Periods
2:51 AM - 5:21 AM3:15 PM - 5:45 PM
Minor Periods
12:00 AM - 12:00 AM7:29 AM - 8:59 AM
Action Rating: 3 out of 5
