Water Temperature of the Fox River in McHenry, IL
Current Water Temperature
Measurement Time: Wednesday, May 6, 2026, 9:12 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

Five Day Weather Forecast

Thu
H: 57°F
L: 32°F

Fri
H: 60°F
L: 41°F

Sat
H: 72°F
L: 43°F

Sun
H: 58°F
L: 39°F

Mon
H: 54°F
L: 36°F
Air Quality
Nitrogen Dioxide: 13.15 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 27 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 7:59 PM
Daylight: 14 hrs 19 mins
Moon Transit: 5:18 AM
Moonset: 9:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
4:48 AM - 7:18 AM5:27 PM - 7:57 PM
Minor Periods
9:15 AM - 10:45 AM12:27 AM - 1:57 AM
Action Rating: 3 out of 5
Frost Advisory issued May 6 at 1:23PM CDT until May 7 at 8:00AM CDT by NWS Chicago IL
Effective: Wed May 6, 2026, 1:23 PM
Expires: Wed May 6, 2026, 11:30 PM
* WHAT...Temperatures in the low to mid 30s and areas of frost. * WHERE...Portions of north central and northeast Illinois. * WHEN...From 1 AM to 8 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Frost Advisory issued May 6 at 9:01PM CDT until May 7 at 8:00AM CDT by NWS Chicago IL
Effective: Wed May 6, 2026, 9:01 PM
Expires: Thu May 7, 2026, 7:15 AM
* WHAT...Temperatures in the low to mid 30s and areas of frost. * WHERE...Portions of north central and northeast Illinois. * WHEN...From 1 AM to 8 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Frost Advisory issued May 6 at 1:20PM CDT until May 7 at 8:00AM CDT by NWS Milwaukee/Sullivan WI
Effective: Wed May 6, 2026, 1:20 PM
Expires: Wed May 6, 2026, 9:30 PM
* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From 1 AM to 8 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Frost Advisory issued May 6 at 6:51PM CDT until May 7 at 8:00AM CDT by NWS Milwaukee/Sullivan WI
Effective: Wed May 6, 2026, 6:51 PM
Expires: Thu May 7, 2026, 3:00 AM
* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From 1 AM to 8 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Frost Advisory issued May 7 at 12:38AM CDT until May 7 at 8:00AM CDT by NWS Milwaukee/Sullivan WI
Effective: Thu May 7, 2026, 12:38 AM
Expires: Thu May 7, 2026, 8:00 AM
* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.6 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 60.88 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 7:59 PM
Daylight: 14 hrs 19 mins
Moon Transit: 5:18 AM
Moonset: 9:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
4:48 AM - 7:18 AM5:27 PM - 7:57 PM
Minor Periods
9:15 AM - 10:45 AM12:27 AM - 1:57 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.76 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 77.36 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:00 PM
Daylight: 14 hrs 21 mins
Moon Transit: 6:06 AM
Moonset: 10:50 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
5:36 AM - 8:06 AM6:15 PM - 8:45 PM
Minor Periods
10:20 AM - 11:50 AM1:01 AM - 2:31 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.31 μg/m3
Sulphur Dioxide: 3 μg/m3
Ozone: 76.68 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:02 PM
Daylight: 14 hrs 24 mins
Moon Transit: 6:53 AM
Moonset: 11:56 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
6:23 AM - 8:53 AM7:00 PM - 9:30 PM
Minor Periods
11:26 AM - 12:56 AM1:29 AM - 2:59 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.03 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 65.54 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:03 PM
Daylight: 14 hrs 26 mins
Moon Transit: 7:38 AM
Moonset: 1:04 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%
Best Times for Fishing or Hunting
Major Periods
7:08 AM - 9:38 AM7:45 PM - 10:15 PM
Minor Periods
12:34 AM - 2:04 PM1:54 AM - 3:24 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 8:04 PM
Daylight: 14 hrs 28 mins
Moon Transit: 8:23 AM
Moonset: 2:12 PM
Moon Phase: Last Quarter
Moon Illumination: 16.9%
Best Times for Fishing or Hunting
Major Periods
7:53 AM - 10:23 AM12:00 AM - 12:00 AM
Minor Periods
1:42 PM - 3:12 PM2:16 AM - 3:46 AM
Action Rating: 2 out of 5
