Water Temperature of the Fox River in McHenry, IL
Current Water Temperature
Measurement Time: Tuesday, October 6, 2026, 1:07 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
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: 66%
Feels Like: 55.2°F
Wind: SSW 11 mph
Wind Gusts: 28.6 mph
Precipitation: 0 in
Cloud Cover: 26%
Visibility: 6 mi
UV Index: 0.1
Weather Forecast

Tue
H: 69°F
L: 48°F

Wed
H: 73°F
L: 54°F

Thu
H: 66°F
L: 49°F

Fri
H: 62°F
L: 50°F

Sat
H: 80°F
L: 58°F
Air Quality
Nitrogen Dioxide: 5.7 μg/m3
Sulphur Dioxide: 3.2 μg/m3
Ozone: 96 μg/m3
Astronomical
Sun Transit: 12:41 AM
Sunset: 6:26 PM
Daylight: 11 hrs 30 mins
Moon Transit: 9:33 AM
Moonset: 4:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:03 AM - 11:33 AM
Minor Periods
4:05 PM - 5:35 PM1:49 AM - 3:19 AM
Action Rating: 2 out of 5
Flood Warning issued October 5 at 7:56PM CDT until October 7 at 1:00PM CDT by NWS Chicago IL
Effective: Mon October 5, 2026, 7:56 PM
Expires: Tue October 6, 2026, 2:00 PM
...Observed flooding changed from Minor to Moderate severity for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until Wednesday afternoon. * IMPACTS...At 7.0 feet, Low-lying wetlands and agricultural land is inundated near the river. * ADDITIONAL DETAILS... - At 7:30 PM CDT Monday the stage was 7.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM CDT Monday was 7.3 feet. - Forecast...The river is expected to fall below flood stage Wednesday morning and continue falling through the rest of the week. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.2 feet on 09/20/1980. - http://www.weather.gov/safety/flood
A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours. Additional information is available at www.weather.gov. The next statement will be issued by Tuesday afternoon.
Flood Warning issued October 6 at 10:14AM CDT until October 7 at 7:00AM CDT by NWS Chicago IL
Effective: Tue October 6, 2026, 10:14 AM
Expires: Wed October 7, 2026, 4:15 AM
...The Flood Warning continues for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until Wednesday morning. * IMPACTS...At 7.0 feet, Low-lying wetlands and agricultural land is inundated near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Tuesday the stage was 7.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 AM CDT Tuesday was 7.2 feet. - Forecast...The river is expected to fall below flood stage Wednesday morning and continue falling. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood
A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.
Weather Forecast
Average Temperature: 57.6°F
Average Humidity: 68%
Wind: 16.3 mph
UV Index: 4.4
Air Quality
Nitrogen Dioxide: 14.46 μg/m3
Sulphur Dioxide: 3.54 μg/m3
Ozone: 62.5 μg/m3
Astronomical
Sun Transit: 12:41 AM
Sunset: 6:26 PM
Daylight: 11 hrs 30 mins
Moon Transit: 9:33 AM
Moonset: 4:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:03 AM - 11:33 AM
Minor Periods
4:05 PM - 5:35 PM1:49 AM - 3:19 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 61.7°F
Average Humidity: 70%
Wind: 11.4 mph
UV Index: 4.3
Air Quality
Nitrogen Dioxide: 6.9 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 61.29 μg/m3
Astronomical
Sun Transit: 12:40 AM
Sunset: 6:24 PM
Daylight: 11 hrs 27 mins
Moon Transit: 10:21 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:51 AM - 12:21 AM
Minor Periods
4:28 PM - 5:58 PM3:03 AM - 4:33 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 57°F
Average Humidity: 56%
Wind: 9.2 mph
UV Index: 4.2
Air Quality
Nitrogen Dioxide: 12.44 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 51.08 μg/m3
Astronomical
Sun Transit: 12:40 AM
Sunset: 6:23 PM
Daylight: 11 hrs 25 mins
Moon Transit: 11:07 AM
Moonset: 5:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:37 AM - 1:07 PM
Minor Periods
4:49 PM - 6:19 PM4:14 AM - 5:44 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 56.3°F
Average Humidity: 65%
Wind: 12.8 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 22.5 μg/m3
Sulphur Dioxide: 2.94 μg/m3
Ozone: 46.08 μg/m3
Astronomical
Sun Transit: 12:40 AM
Sunset: 6:21 PM
Daylight: 11 hrs 22 mins
Moon Transit: 11:52 AM
Moonset: 5:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:22 AM - 1:52 PM
Minor Periods
5:10 PM - 6:40 PM5:24 AM - 6:54 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 67.7°F
Average Humidity: 62%
Wind: 15.4 mph
UV Index: 4.2
Air Quality
Nitrogen Dioxide: 10.48 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 65.5 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:19 PM
Daylight: 11 hrs 19 mins
Moon Transit: 12:37 AM
Moonset: 6:02 PM
Moon Phase: New
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:07 AM - 2:37 PM
Minor Periods
5:32 PM - 7:02 PM6:33 AM - 8:03 AM
Action Rating: 4 out of 5
