Water Temperature of the Fox River in McHenry, IL
Current Water Temperature
Measurement Time: Thursday, July 2, 2026, 10:33 AM 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

Five Day Weather Forecast

Thu
H: 97°F
L: 74°F

Fri
H: 87°F
L: 72°F

Sat
H: 85°F
L: 70°F

Sun
H: 75°F
L: 59°F

Mon
H: 68°F
L: 58°F
Air Quality
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 107 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
Extreme Heat Warning issued July 2 at 3:03AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL
Effective: Thu July 2, 2026, 3:03 AM
Expires: Thu July 2, 2026, 1:15 PM
* WHAT...Dangerously hot conditions with peak heat index values of 100 to 105 degrees. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until midnight CDT tonight. * IMPACTS...Heat related illnesses increase during heat waves.
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 2 at 10:24AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL
Effective: Thu July 2, 2026, 10:24 AM
Expires: Thu July 2, 2026, 8:30 PM
* WHAT...Dangerously hot conditions with peak heat index values of 100 to 105 degrees. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until midnight CDT tonight. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
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 2 at 1:48PM CDT until July 3 at 12:00AM CDT by NWS Chicago IL
Effective: Thu July 2, 2026, 1:48 PM
Expires: Fri July 3, 2026, 12:00 AM
* WHAT...Dangerously hot conditions with heat index values of 100 to 105 degrees. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until midnight CDT tonight. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. 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. Stay cool, stay hydrated, stay informed. 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: 4.41 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 82.79 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: 5.92 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 76.67 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: 6.61 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 77.13 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: 4.65 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 72 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.11 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 55.75 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:33 PM
Daylight: 15 hrs 10 mins
Moon Transit: 12:15 AM
Moonset: 12:03 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%
Best Times for Fishing or Hunting
Major Periods
11:45 AM - 2:15 PM11:45 AM - 2:15 PM
Minor Periods
11:33 AM - 1:03 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
