Water Temperature of the Fox River in McHenry, IL

Current Water Temperature

79.3°F

Measurement Time: Tuesday, July 8, 2025, 10:00 PM CDT

Temperature Locations

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Fox River

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

70°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 87%
Feels Like: 70°F
Wind: NNW 3.4 mph
Wind Gusts: 5.7 mph
Pressure: 29.99 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 8 mi
UV Index: 0.5

Five Day Weather Forecast

Cloudy
Wed
H: 81°F
L: 59°F
Partly Cloudy
Thu
H: 80°F
L: 58°F
Mist
Fri
H: 88°F
L: 60°F
Heavy rain
Sat
H: 78°F
L: 67°F
Sunny
Sun
H: 76°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 18.69 μg/m3
PM10: 19.98 μg/m3
Carbon Monoxide: 349.65 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 113 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:58 AM
Sunset: 8:31 PM
Daylight: 15 hrs 6 mins
Moonrise: 8:15 PM
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 AM
11:45 AM - 2:15 PM

Minor Periods

7:45 PM - 9:15 PM
3:13 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.


Wednesday, July 9, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 70.5°F
Average Humidity: 88%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 19.46 μg/m3
PM10: 20.46 μg/m3
Carbon Monoxide: 368.89 μg/m3
Nitrogen Dioxide: 20.72 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 75.36 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:58 AM
Sunset: 8:31 PM
Daylight: 15 hrs 6 mins
Moonrise: 8:15 PM
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 AM
11:45 AM - 2:15 PM

Minor Periods

7:45 PM - 9:15 PM
3:13 AM - 4:43 AM

Action Rating: 3 out of 5

Thursday, July 10, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 68.1°F
Average Humidity: 83%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 9.41 μg/m3
PM10: 9.72 μg/m3
Carbon Monoxide: 327.6 μg/m3
Nitrogen Dioxide: 10.63 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 81.12 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:58 AM
Sunset: 8:31 PM
Daylight: 15 hrs 5 mins
Moonrise: 8:59 PM
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 AM
12:39 AM - 3:09 PM

Minor Periods

8:29 PM - 9:59 PM
4:14 AM - 5:44 AM

Action Rating: 5 out of 5

Friday, July 11, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 72.2°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 11.85 μg/m3
PM10: 12.77 μg/m3
Carbon Monoxide: 371.41 μg/m3
Nitrogen Dioxide: 19.36 μg/m3
Sulphur Dioxide: 5.57 μg/m3
Ozone: 85.32 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:58 AM
Sunset: 8:30 PM
Daylight: 15 hrs 4 mins
Moonrise: 9:34 PM
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 AM
1:33 PM - 4:03 PM

Minor Periods

9:04 PM - 10:34 PM
5:21 AM - 6:51 AM

Action Rating: 4 out of 5

Saturday, July 12, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 71.5°F
Average Humidity: 89%
Chance of Rain: 77%
Wind: 11.4 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 8.43 μg/m3
PM10: 9.21 μg/m3
Carbon Monoxide: 351.8 μg/m3
Nitrogen Dioxide: 14.69 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 84.32 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:58 AM
Sunset: 8:30 PM
Daylight: 15 hrs 2 mins
Moonrise: 10:04 PM
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 AM
2:24 PM - 4:54 PM

Minor Periods

9:34 PM - 11:04 PM
6:33 AM - 8:03 AM

Action Rating: 3 out of 5

Sunday, July 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67.8°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 4.6 μg/m3
PM10: 4.63 μg/m3
Carbon Monoxide: 361.18 μg/m3
Nitrogen Dioxide: 14.22 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 48.62 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:58 AM
Sunset: 8:29 PM
Daylight: 15 hrs 1 mins
Moonrise: 10:29 PM
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 AM
3:13 PM - 5:43 PM

Minor Periods

9:59 PM - 11:29 PM
7:46 AM - 9:16 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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