Water Temperature of the Fox River in McHenry, IL
Current Water Temperature
Measurement Time: Thursday, April 16, 2026, 9:39 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

Thu
H: 70°F
L: 54°F

Fri
H: 78°F
L: 48°F

Sat
H: 54°F
L: 37°F

Sun
H: 49°F
L: 31°F

Mon
H: 57°F
L: 31°F
Air Quality
Nitrogen Dioxide: 14.05 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 70 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:36 PM
Daylight: 13 hrs 25 mins
Moon Transit: 12:07 AM
Moonset: 7:02 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:37 AM - 2:07 PM
Minor Periods
6:32 PM - 8:02 PM4:58 AM - 6:28 AM
Action Rating: 5 out of 5
Flood Warning issued April 15 at 9:28PM CDT by NWS Chicago IL
Effective: Wed April 15, 2026, 9:28 PM
Expires: Thu April 16, 2026, 3:30 PM
...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 11.5 feet, Residences threatened along Oceola Drive in Algonquin. A few residences threatened along McBridge Street in Elgin. Jayne Street and Beach Drive threatened in Algonquin. River Street threatened in East Dundee. Jerusha Avenue threatened in Elgin. Fox River Trail threatened between East Dundee and Elgin. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Wednesday was 10.0 feet. - Forecast...The river is expected to rise to 11.3 feet Tuesday evening. - Flood stage is 9.5 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 on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.
Flood Warning issued April 16 at 12:19PM CDT by NWS Chicago IL
Effective: Thu April 16, 2026, 12:19 PM
Expires: Fri April 17, 2026, 5:30 AM
...The Flood Warning is extended for the following rivers in Illinois... Fox River at Montgomery affecting Kane and Kendall Counties. ...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, Lake IL and McHenry Counties. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 10.5 feet, Structures threatened along Fox River Drive in East Dundee. Parking lots threatened in downtown West Dundee. Low-lying sections of Cornish Park are inundated in Algonquin. Low-lying sections of Trout Park inundated north of Elgin. At 11.0 feet, Structures threatened near Elgin Avenue and Corey Street south of East Dundee. Lincoln Avenue threatened in West Dundee. Filip Street and Fox River Drive threatened in Algonquin. Fox River Trail threatened south of downtown Elgin. At 11.5 feet, Residences threatened along Oceola Drive in Algonquin. A few residences threatened along McBridge Street in Elgin. Jayne Street and Beach Drive threatened in Algonquin. River Street threatened in East Dundee. Jerusha Avenue threatened in Elgin. Fox River Trail threatened between East Dundee and Elgin. * ADDITIONAL DETAILS... - At 11:30 AM CDT Thursday the stage was 10.3 feet. - Recent Activity...The river has continued to slowly rise to near moderate flood stage. - Forecast...The river is expected to continue a slow rise over the next several days. The river may crest near 11.5 by early next week. - Flood stage is 9.5 feet. - Flood History...This crest compares to a previous crest of 11.4 feet on 09/17/2019. - 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 on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.
Flood Warning issued April 15 at 11:23PM CDT by NWS Milwaukee/Sullivan WI
Effective: Wed April 15, 2026, 11:23 PM
Expires: Thu April 16, 2026, 11:30 AM
...The Flood Warning is extended for the following rivers in Wisconsin... Milwaukee River Near Cedarburg affecting Ozaukee County. Wisconsin River At Portage affecting Columbia County. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River Lower Near New Munster affecting Lake and Kenosha Counties. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Floodwaters are into the lower levels of some homes in the Town of Wheatland and Village of Salem Lakes areas along Riverside Drive and Shorewood Drive. * ADDITIONAL DETAILS... - At 11:00 PM CDT Wednesday the stage was 11.4 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:00 PM CDT Wednesday was 11.4 feet. - Forecast...The river is expected to rise to a crest of 13.6 feet early Saturday morning. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 13.6 feet on 10/04/2019. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued Thursday morning at 1130 AM CDT.
Flood Warning issued April 15 at 10:10PM CDT by NWS Chicago IL
Effective: Wed April 15, 2026, 10:10 PM
Expires: Thu April 16, 2026, 4:15 PM
...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Russell, Gurnee, Lincolnshire, Des Plaines...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...Until further notice. * IMPACTS...At 9.0 feet, Kilbourne Road and Emerald Avenue threatened near Grand Avenue in Gurnee. * ADDITIONAL DETAILS... - At 9:30 PM CDT Wednesday the stage was 8.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM CDT Wednesday was 8.3 feet. - Forecast...The river will rise to 9.3 feet Friday morning. - 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 on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.
Flood Warning issued April 15 at 10:10PM CDT until April 22 at 7:00PM CDT by NWS Chicago IL
Effective: Wed April 15, 2026, 10:10 PM
Expires: Thu April 16, 2026, 4:15 PM
...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Russell, Gurnee, Lincolnshire, Des Plaines...Moderate flooding is forecast. * 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, April 22. * IMPACTS...At 9.5 feet, Residential structures threatened along Russell Road between the river and Kilbourne Road. Industrial parking lots threatened along Kilbourne Road. * ADDITIONAL DETAILS... - At 9:30 PM CDT Wednesday the stage was 7.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM CDT Wednesday was 7.7 feet. - Forecast...The river is expected to rise to a crest of 8.9 feet early Friday afternoon. - 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 on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.43 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 71.96 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:36 PM
Daylight: 13 hrs 25 mins
Moon Transit: 12:07 AM
Moonset: 7:02 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:37 AM - 2:07 PM
Minor Periods
6:32 PM - 8:02 PM4:58 AM - 6:28 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 16.77 μg/m3
Sulphur Dioxide: 4.23 μg/m3
Ozone: 62.72 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:37 PM
Daylight: 13 hrs 28 mins
Moon Transit: 1:00 PM
Moonset: 8:23 PM
Moon Phase: New
Moon Illumination: 4.1%
Best Times for Fishing or Hunting
Major Periods
12:17 AM - 2:47 AM12:30 AM - 3:00 PM
Minor Periods
7:53 PM - 9:23 PM5:23 AM - 6:53 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 78.72 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:38 PM
Daylight: 13 hrs 31 mins
Moon Transit: 1:56 PM
Moonset: 9:44 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
1:12 AM - 3:42 AM1:26 PM - 3:56 PM
Minor Periods
9:14 PM - 10:44 PM5:53 AM - 7:23 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 85.48 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:39 PM
Daylight: 13 hrs 33 mins
Moon Transit: 2:57 PM
Moonset: 11:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%
Best Times for Fishing or Hunting
Major Periods
2:11 AM - 4:41 AM2:27 PM - 4:57 PM
Minor Periods
12:00 AM - 12:00 AM6:31 AM - 8:01 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 19.23 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 56.38 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 7:40 PM
Daylight: 13 hrs 36 mins
Moon Transit: 4:01 PM
Moonset: 12:05 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%
Best Times for Fishing or Hunting
Major Periods
3:14 AM - 5:44 AM3:31 PM - 6:01 PM
Minor Periods
7:19 AM - 8:49 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
