Water Temperature of the Fox River in McHenry, IL
Current Water Temperature
Measurement Time: Tuesday, July 8, 2025, 10:00 PM CDT
Temperature Locations
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Station Name: FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 728 feet / 222 meters
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

Humidity: 87%
Feels Like: 70°F
Wind: NNW 3.4 mph
Wind Gusts: 5.7 mph
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 8 mi
UV Index: 0.5
Five Day Weather Forecast

Wed
H: 81°F
L: 59°F

Thu
H: 80°F
L: 58°F

Fri
H: 88°F
L: 60°F

Sat
H: 78°F
L: 67°F

Sun
H: 76°F
L: 61°F
Air Quality
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 113 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:31 PM
Daylight: 15 hrs 6 mins
Moon Transit: 12:00 AM
Moonset: 3:43 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:45 AM - 2:15 PM
Minor Periods
7:45 PM - 9:15 PM3:13 AM - 4:43 AM
Action Rating: 3 out of 5
Flood Advisory issued July 9 at 12:45AM CDT until July 9 at 8:45AM CDT by NWS Chicago IL
Effective: Wed July 9, 2025, 12:45 AM
Expires: Wed July 9, 2025, 8:45 AM
* WHAT...Lingering flooding from earlier heavy rainfall. * WHERE...A portion of northeast Illinois, including the following county, Cook. * WHEN...Until 845 AM CDT Wednesday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. Slow moving or standing water may continue. * ADDITIONAL DETAILS... - At 1242 AM CDT, local law enforcement reported ongoing flooding in the advisory area due to earlier thunderstorms, which produced between 2 and 5.5 inches of rain. - Some locations that will experience flooding include... Chicago, Cicero, West Town, Bridgeport, South Lawndale, Chicago Loop, Austin, Navy Pier, Northerly Island, Near West Side, Near North Side, Humboldt Park, Brighton Park, East Garfield Park, Lower West Side, North Lawndale, Near South Side, Douglas, West Garfield Park and McKinley Park. - http://www.weather.gov/safety/flood
A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Flood Advisory issued July 8 at 11:43PM CDT until July 9 at 2:45AM CDT by NWS Chicago IL
Effective: Tue July 8, 2025, 11:43 PM
Expires: Wed July 9, 2025, 2:45 AM
* WHAT...Lingering flooding from earlier heavy rainfall. * WHERE...A portion of northeast Illinois, including the following county, Cook. * WHEN...Until 245 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. Slow moving or standing water may continue. * ADDITIONAL DETAILS... - At 1140 PM CDT, Doppler radar and automated rain gauges indicated that heavy rain fell due to earlier thunderstorms. Between 1 and 2 inches of rain fell. - Some locations that will experience flooding include... Chicago, Cicero, Berwyn, Oak Park, West Town, Irving Park, Austin, Lincoln Park, Lake View, South Lawndale, West Ridge, Bridgeport, Humboldt Park, Logan Square, Belmont Cragin, Albany Park, Portage Park, Near North Side, Uptown and Edgewater. - http://www.weather.gov/safety/flood
A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.
Weather Forecast
Average Temperature: 70.5°F
Average Humidity: 88%
Wind: 8.7 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 20.72 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 75.36 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:31 PM
Daylight: 15 hrs 6 mins
Moon Transit: 12:00 AM
Moonset: 3:43 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:45 AM - 2:15 PM
Minor Periods
7:45 PM - 9:15 PM3:13 AM - 4:43 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 68.1°F
Average Humidity: 83%
Wind: 7.4 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 10.63 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 81.12 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:31 PM
Daylight: 15 hrs 5 mins
Moon Transit: 12:27 AM
Moonset: 4:44 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:39 AM - 3:09 PM
Minor Periods
8:29 PM - 9:59 PM4:14 AM - 5:44 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 72.2°F
Average Humidity: 78%
Wind: 13.9 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 19.36 μg/m3
Sulphur Dioxide: 5.57 μg/m3
Ozone: 85.32 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:30 PM
Daylight: 15 hrs 4 mins
Moon Transit: 1:22 AM
Moonset: 5:51 AM
Moon Phase: Full
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
12:52 AM - 3:22 AM1:33 PM - 4:03 PM
Minor Periods
9:04 PM - 10:34 PM5:21 AM - 6:51 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 71.5°F
Average Humidity: 89%
Wind: 11.4 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 14.69 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 84.32 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:30 PM
Daylight: 15 hrs 2 mins
Moon Transit: 2:14 AM
Moonset: 7:03 AM
Moon Phase: Full
Moon Illumination: 92.7%
Best Times for Fishing or Hunting
Major Periods
1:44 AM - 4:14 AM2:24 PM - 4:54 PM
Minor Periods
9:34 PM - 11:04 PM6:33 AM - 8:03 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 67.8°F
Average Humidity: 84%
Wind: 7.8 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 14.22 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 48.62 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:29 PM
Daylight: 15 hrs 1 mins
Moon Transit: 3:04 AM
Moonset: 8:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
2:34 AM - 5:04 AM3:13 PM - 5:43 PM
Minor Periods
9:59 PM - 11:29 PM7:46 AM - 9:16 AM
Action Rating: 3 out of 5