Water Temperature of the Fox River in McHenry, IL

Current Water Temperature

41.0°F

Measurement Time: Saturday, March 14, 2026, 2:00 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

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

33.1°F
Overcast
Overcast
24.6°F
34.9°F
85%
E 11 mph
15.4 mph
26.9°F
28.1°F
0 in
100%
9 mi
1018 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 41°F
L: 30°F
Heavy rain
Sun
H: 53°F
L: 32°F
Moderate or heavy snow showers
Mon
H: 23°F
L: 17°F
Light freezing rain
Tue
H: 33°F
L: 12°F
Heavy snow
Wed
H: 36°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 7.85 μg/m3
PM10: 9.25 μg/m3
Carbon Monoxide: 182.85 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 6:59 PM
Daylight: 11 hrs 52 mins
Moonrise: 5:03 AM
Moon Transit: 9:34 AM
Moonset: 2:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:04 AM - 11:34 AM

Minor Periods

1:43 PM - 3:13 PM
4:33 AM - 6:03 AM

Action Rating: 2 out of 5

Winter Storm Watch issued March 14 at 1:40PM CDT until March 16 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

Effective: Sat March 14, 2026, 1:40 PM
Expires: Sat March 14, 2026, 9:45 PM

...PROLONGED WINTER STORM SYSTEM BEGINS TONIGHT AND CONTINUES THROUGH MONDAY... .A strong late winter storm system is expected to impact southern Wisconsin during the last half of the weekend in 3 phases: Saturday night into Sunday morning expecting snow accumulations of 1 to 3 inches and the potential for around a tenth of an inch of ice accumulation. Sunday late morning into Sunday afternoon will see milder temps and mostly rain with a few thunderstorms mainly outside of central and east-central Wisconsin. Light freezing rain is expected to continue over central and east-central Wisconsin. Sunday evening through Monday expect heavy banded snow to impact southern WI with snowfall totals from 5 to 9 inches with locally higher amounts possible. Wind gusts up to 45 mph will cause blowing snow and visibility restrictions. There remains considerable model uncertainty regarding snow amounts and end timing of winter impacts over southeast Wisconsin Sunday night into Monday Morning. The Winter Storm Watch will be maintained at this time. * WHAT...Heavy mixed precipitation possible. Total snow accumulations between 4 and 7 inches and ice accumulations around a light glaze possible. Winds could gust as high as 50 mph. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning and evening commutes. Gusty winds could bring down tree branches.

Monitor the latest forecasts for updates on this situation.


Winter Storm Watch issued March 14 at 11:51AM CDT until March 16 at 7:00PM CDT by NWS Chicago IL

Effective: Sat March 14, 2026, 11:51 AM
Expires: Sat March 14, 2026, 10:00 PM

* WHAT...Low visibility due to falling and blowing snow possible. * WHERE...Boone, Lee, Ogle, and Winnebago Counties. * WHEN...From Sunday evening through Monday evening. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Plan on hazardous travel conditions, including throughout the day on Monday. * ADDITIONAL DETAILS...Northwesterly wind gusts in excess of 45 mph are possible. Total snow accumulations may exceed 4 inches.

Monitor the latest forecasts for updates on this situation.


Saturday, March 14, 2026

Weather Forecast

Sunny
41.2°F
29.5°F
34.2°F
72%
0 in
0%
0%
14.8 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4.37 μg/m3
PM10: 4.75 μg/m3
Carbon Monoxide: 193.85 μg/m3
Nitrogen Dioxide: 7.38 μg/m3
Sulphur Dioxide: 2.87 μg/m3
Ozone: 78.6 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 6:59 PM
Daylight: 11 hrs 52 mins
Moonrise: 5:03 AM
Moon Transit: 9:34 AM
Moonset: 2:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:04 AM - 11:34 AM

Minor Periods

1:43 PM - 3:13 PM
4:33 AM - 6:03 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Heavy rain
53.2°F
31.6°F
42°F
88%
1.83 in
88%
7%
23.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.55 μg/m3
PM10: 8.39 μg/m3
Carbon Monoxide: 195.05 μg/m3
Nitrogen Dioxide: 9.81 μg/m3
Sulphur Dioxide: 4.04 μg/m3
Ozone: 78.32 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 11 hrs 55 mins
Moonrise: 5:33 AM
Moon Transit: 10:23 AM
Moonset: 3:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:53 AM - 12:23 AM

Minor Periods

2:52 PM - 4:22 PM
5:03 AM - 6:33 AM

Action Rating: 2 out of 5

Monday, March 16, 2026

Weather Forecast

Moderate or heavy snow showers
23.1°F
16.9°F
22.6°F
75%
0.45 in
65%
17%
25.7 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 2.33 μg/m3
PM10: 2.58 μg/m3
Carbon Monoxide: 178.93 μg/m3
Nitrogen Dioxide: 4.21 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:00 AM
Sunset: 7:01 PM
Daylight: 11 hrs 58 mins
Moonrise: 5:59 AM
Moon Transit: 11:10 AM
Moonset: 4:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:40 AM - 1:10 PM

Minor Periods

4:03 PM - 5:33 PM
5:29 AM - 6:59 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Light freezing rain
33.1°F
11.8°F
20.6°F
60%
0.01 in
79%
6%
15.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.24 μg/m3
PM10: 3.6 μg/m3
Carbon Monoxide: 180.68 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 88.96 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:00 AM
Sunset: 7:02 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:22 AM
Moon Transit: 11:57 AM
Moonset: 5:44 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:27 AM - 1:57 PM

Minor Periods

5:14 PM - 6:44 PM
5:52 AM - 7:22 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Heavy snow
35.9°F
21.5°F
29.8°F
97%
0.3 in
84%
37%
13.4 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 9.7 μg/m3
PM10: 10.09 μg/m3
Carbon Monoxide: 232.32 μg/m3
Nitrogen Dioxide: 11.59 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 81.08 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:00 AM
Sunset: 7:03 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:43 AM
Moon Transit: 12:43 AM
Moonset: 6:57 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
12:13 AM - 2:43 PM

Minor Periods

6:27 PM - 7:57 PM
6:13 AM - 7:43 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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