Water Temperature of the Fox River in McHenry, IL

Current Water Temperature

32.0°F

Measurement Time: Sunday, June 28, 2026, 5:17 AM 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

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

71.1°F
Sunny
Sunny
71.1°F
79.3°F
79%
SE 9.6 mph
11.1 mph
76.5°F
65.7°F
0 in
0%
9 mi
1015 mbar
5

Five Day Weather Forecast

Sunny
Sun
H: 86°F
L: 61°F
Sunny
Mon
H: 90°F
L: 73°F
Sunny
Tue
H: 90°F
L: 74°F
Sunny
Wed
H: 90°F
L: 74°F
Sunny
Thu
H: 91°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 9.3 μg/m3
PM10: 9.5 μg/m3
Carbon Monoxide: 146 μg/m3
Nitrogen Dioxide: 6.6 μg/m3
Sulphur Dioxide: 3.2 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:56 AM
Sunset: 8:34 PM
Daylight: 15 hrs 16 mins
Moonrise: 8:07 PM
Moon Transit: 12:00 AM
Moonset: 3:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:38 AM - 2:08 PM

Minor Periods

7:37 PM - 9:07 PM
3:11 AM - 4:41 AM

Action Rating: 2 out of 5

Extreme Heat Watch issued June 27 at 9:19PM CDT until July 1 at 10:00PM CDT by NWS Chicago IL

Effective: Sat June 27, 2026, 9:19 PM
Expires: Sun June 28, 2026, 7:30 AM

* WHAT...Dangerously hot conditions with heat index values around 105 possible. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...From Monday afternoon through Wednesday evening. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Extreme Heat Watch issued June 28 at 2:47AM CDT until July 1 at 10:00PM CDT by NWS Chicago IL

Effective: Sun June 28, 2026, 2:47 AM
Expires: Sun June 28, 2026, 1:00 PM

* WHAT...Dangerously hot conditions with heat index values around 105 possible each afternoon. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...From Monday afternoon through Wednesday evening. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Sunday, June 28, 2026

Weather Forecast

Sunny
85.8°F
61.2°F
73.5°F
76%
0 in
17%
0%
11.9 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 8.13 μg/m3
PM10: 8.26 μg/m3
Carbon Monoxide: 142.42 μg/m3
Nitrogen Dioxide: 6.98 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 92.21 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:56 AM
Sunset: 8:34 PM
Daylight: 15 hrs 16 mins
Moonrise: 8:07 PM
Moon Transit: 12:00 AM
Moonset: 3:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:38 AM - 2:08 PM

Minor Periods

7:37 PM - 9:07 PM
3:11 AM - 4:41 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
89.8°F
73.2°F
80.8°F
84%
0.01 in
36%
0%
16.6 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 6.49 μg/m3
PM10: 7.36 μg/m3
Carbon Monoxide: 133.58 μg/m3
Nitrogen Dioxide: 5.73 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 81.58 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:56 AM
Sunset: 8:34 PM
Daylight: 15 hrs 15 mins
Moonrise: 8:54 PM
Moon Transit: 12:19 AM
Moonset: 4:32 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:30 AM - 3:00 PM

Minor Periods

8:24 PM - 9:54 PM
4:02 AM - 5:32 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
89.8°F
74.1°F
81.8°F
81%
0 in
9%
0%
16.3 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 13.19 μg/m3
PM10: 20.14 μg/m3
Carbon Monoxide: 125.5 μg/m3
Nitrogen Dioxide: 3.48 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 84.63 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:56 AM
Sunset: 8:34 PM
Daylight: 15 hrs 15 mins
Moonrise: 9:32 PM
Moon Transit: 1:10 AM
Moonset: 5:30 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:40 AM - 3:10 AM
1:20 PM - 3:50 PM

Minor Periods

9:02 PM - 10:32 PM
5:00 AM - 6:30 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
90.3°F
73.6°F
81.8°F
80%
0 in
9%
0%
15.2 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 11.28 μg/m3
PM10: 15.73 μg/m3
Carbon Monoxide: 139.1 μg/m3
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 84.79 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:56 AM
Sunset: 8:34 PM
Daylight: 15 hrs 14 mins
Moonrise: 10:04 PM
Moon Transit: 2:00 AM
Moonset: 6:34 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
2:08 PM - 4:38 PM

Minor Periods

9:34 PM - 11:04 PM
6:04 AM - 7:34 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
90.8°F
74.1°F
82°F
78%
0.04 in
57%
0%
13 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.18 μg/m3
PM10: 8.18 μg/m3
Carbon Monoxide: 234.13 μg/m3
Nitrogen Dioxide: 6.73 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 80.25 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:57 AM
Sunset: 8:34 PM
Daylight: 15 hrs 13 mins
Moonrise: 10:31 PM
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 AM
2:55 PM - 5:25 PM

Minor Periods

10:01 PM - 11:31 PM
7:09 AM - 8:39 AM

Action Rating: 2 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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