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

Heat Advisory issued July 25 at 2:49AM CDT until July 26 at 9:00PM CDT by NWS Quad Cities IA IL

Effective: Sat July 25, 2026, 2:49 AM
Expires: Sat July 25, 2026, 12:15 PM

* WHAT...For the Heat Advisory, heat index values between 100 to 105 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values between 100 to 110 possible. * WHERE...Carroll, Jo Daviess, and Stephenson Counties. * WHEN...For the Heat Advisory, from 11 AM to 9 PM CDT Sunday. For the Extreme Heat Watch, from Sunday night through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Little relief is expected Sunday night with low temperatures in the mid to upper 70s.

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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Extreme Heat Watch issued July 25 at 2:49AM CDT until July 27 at 10:00PM CDT by NWS Quad Cities IA IL

Effective: Sat July 25, 2026, 2:49 AM
Expires: Sat July 25, 2026, 12:15 PM

* WHAT...For the Heat Advisory, heat index values between 100 to 105 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values between 100 to 110 possible. * WHERE...Carroll, Jo Daviess, and Stephenson Counties. * WHEN...For the Heat Advisory, from 11 AM to 9 PM CDT Sunday. For the Extreme Heat Watch, from Sunday night through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Little relief is expected Sunday night with low temperatures in the mid to upper 70s.

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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued July 25 at 9:51AM CDT until July 26 at 9:00PM CDT by NWS Quad Cities IA IL

Effective: Sat July 25, 2026, 9:51 AM
Expires: Sat July 25, 2026, 6:00 PM

...EXTREME HEAT WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING... * WHAT...For the Heat Advisory, heat index values between 100 to 105 expected. For the Extreme Heat Watch, continued dangerously hot conditions possible with heat index values potentially between 100 to 110. * WHERE...Carroll, Jo Daviess, and Stephenson Counties. * WHEN...For the Heat Advisory, from 11 AM to 9 PM CDT Sunday. For the Extreme Heat Watch, from Sunday evening through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Little relief is expected Sunday night with low temperatures in the mid to upper 70s.

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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Extreme Heat Watch issued July 25 at 9:51AM CDT until July 27 at 10:00PM CDT by NWS Quad Cities IA IL

Effective: Sat July 25, 2026, 9:51 AM
Expires: Sat July 25, 2026, 6:00 PM

...EXTREME HEAT WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING... * WHAT...For the Heat Advisory, heat index values between 100 to 105 expected. For the Extreme Heat Watch, continued dangerously hot conditions possible with heat index values potentially between 100 to 110. * WHERE...Carroll, Jo Daviess, and Stephenson Counties. * WHEN...For the Heat Advisory, from 11 AM to 9 PM CDT Sunday. For the Extreme Heat Watch, from Sunday evening through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Little relief is expected Sunday night with low temperatures in the mid to upper 70s.

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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.