Water Temperature of the Fox River in McHenry, IL
Current Water Temperature
Measurement Time: Wednesday, July 1, 2026, 10:19 AM CDT
Temperature Locations
View Nearby Locations View All Illinois Locations View Locations Near Me
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
Fox River, Burlington, WI (19.9 mi)Lake Michigan, Waukegan, IL (23.5 mi)
Lake Michigan, Winthrop Harbor, IL (26.8 mi)
Lake Michigan, Wilmette, IL (33.2 mi)
Eagle Spring Lake, Mukwonago, WI (37.8 mi)
Root River, Franklin, WI (39.1 mi)
Lake Michigan, Racine, WI (40.4 mi)
Chicago River, Chicago, IL (44.4 mi)
Lake Michigan, Chicago, IL (46.2 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (48.2 mi)
Honey Creek, Wauwatosa, WI (51.3 mi)
Lake Michigan, Milwaukee, WI (51.7 mi)
Des Plaines River, Lockport, IL (52.8 mi)
Rock River, Byron, IL (53.2 mi)
Des Plaines River, Joliet, IL (55.1 mi)
Weather for McHenry, Illinois
Current Weather

Five Day Weather Forecast

Wed
H: 98°F
L: 74°F

Thu
H: 89°F
L: 75°F

Fri
H: 88°F
L: 73°F

Sat
H: 88°F
L: 68°F

Sun
H: 79°F
L: 66°F
Air Quality
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 100 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 8:34 PM
Daylight: 15 hrs 14 mins
Moon Transit: 2:00 AM
Moonset: 6:34 AM
Moon Phase: Full
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
1:30 AM - 4:00 AM2:08 PM - 4:38 PM
Minor Periods
9:34 PM - 11:04 PM6:04 AM - 7:34 AM
Action Rating: 3 out of 5
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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 8:34 PM
Daylight: 15 hrs 14 mins
Moon Transit: 2:00 AM
Moonset: 6:34 AM
Moon Phase: Full
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
1:30 AM - 4:00 AM2:08 PM - 4:38 PM
Minor Periods
9:34 PM - 11:04 PM6:04 AM - 7:34 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 87.38 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:34 PM
Daylight: 15 hrs 13 mins
Moon Transit: 2:47 AM
Moonset: 7:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
2:17 AM - 4:47 AM2:55 PM - 5:25 PM
Minor Periods
10:01 PM - 11:31 PM7:09 AM - 8:39 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.04 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 78.33 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:33 PM
Daylight: 15 hrs 12 mins
Moon Transit: 3:33 AM
Moonset: 8:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%
Best Times for Fishing or Hunting
Major Periods
3:03 AM - 5:33 AM3:39 PM - 6:09 PM
Minor Periods
10:24 PM - 11:54 PM8:15 AM - 9:45 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.98 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 84.67 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:33 PM
Daylight: 15 hrs 12 mins
Moon Transit: 4:17 AM
Moonset: 9:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%
Best Times for Fishing or Hunting
Major Periods
3:47 AM - 6:17 AM4:22 PM - 6:52 PM
Minor Periods
12:00 AM - 12:00 AM9:20 AM - 10:50 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.09 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 87.13 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:33 PM
Daylight: 15 hrs 11 mins
Moon Transit: 5:00 AM
Moonset: 10:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
4:30 AM - 7:00 AM5:05 PM - 7:35 PM
Minor Periods
10:26 AM - 11:56 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
