Station 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

Extreme Heat Warning issued June 30 at 8:40PM CDT until July 3 at 12:00AM CDT by NWS Chicago IL

Effective: Tue June 30, 2026, 8:40 PM
Expires: Wed July 1, 2026, 6:45 AM

* WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Northern and central Illinois and northwest Indiana. * WHEN...Until midnight CDT /1 AM EDT/ Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Dangerous heat is expected to persist through Thursday. Thunderstorms may begin to bring some relief from the heat for portions of northern Illinois by Thursday afternoon or evening.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Extreme Heat Warning issued July 1 at 2:30AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL

Effective: Wed July 1, 2026, 2:30 AM
Expires: Wed July 1, 2026, 12:30 PM

* WHAT...Dangerously hot conditions with peak afternoon heat index values of 100 to 110 degrees. * WHERE...Northern and central Illinois and northwest Indiana. * WHEN...Until midnight CDT Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.