Station Name: FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 728 feet

Nearest Address:
Charles J Miller Rd
McHenry, IL 60051
McHenry County

GPS Coordinates: 42.3233333, -88.2516667

Nearby Water Temperatures

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 102 to 107 degrees. * WHERE...Cook County. * WHEN...Until midnight CDT Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Stifling heat will continue even at night with heat indices remaining above 90 degrees until midnight or just after.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center. 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 9:56AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL

Effective: Wed July 1, 2026, 9:56 AM
Expires: Wed July 1, 2026, 8:00 PM

* WHAT...Dangerously hot conditions with peak afternoon heat index values of 100 to 110 degrees expected. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until midnight CDT Thursday Night. * IMPACTS...Heat related illnesses increase during heat waves. * ADDITIONAL DETAILS...Stifling heat will continue through the evening with heat indices remaining above 90 degrees through midnight.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.