Water Temperature of the Illinois River in Henry, IL

Current Water Temperature

32.0°F

Measurement Time: Tuesday, July 28, 2026, 4:01 PM CDT

Temperature Locations

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Local Points of Interest

Sawmill Lake; Billsbach Lake; Cameron-Billsbach Unit National Wildlife Refuge

Illinois River

Station Name: ILLINOIS RIVER AT HENRY, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 450 feet

Nearest Address:
782 Cook St
Henry, IL 61537
Marshall County

GPS Coordinates: 41.1072222, -89.3561111

Nearby Water Temperatures

Illinois River, Utica, IL (24.4 mi)
Illinois River, Peoria, IL (35.6 mi)
Illinois River, Marseilles, IL (36.6 mi)
Illinois River, Seneca, IL (40.8 mi)
Illinois River, Seneca, IL (40.8 mi)
Hanson Gravel Pit, Morris, IL (48.8 mi)
Kankakee River, Morris, IL (60.1 mi)
Mason Tazewell Drainage Ditch, Topeka, IL (61.3 mi)
Des Plaines River, Channahon, IL (63 mi)
Kankakee River, Wilmington, IL (63 mi)
Mississippi River, Le Claire, IA (63.1 mi)
Kankakee River, Custer Park, IL (64.6 mi)
Mississippi River, Camanche, IA (65.7 mi)
Beaver Slough, Clinton, IA (65.9 mi)
North Fork Salt Creek, De Witt, IL (66.7 mi)

Weather for Henry, Illinois

Current Weather

78.3°F
Clear
Clear
72.1°F
80.4°F
60%
NE 5.6 mph
11.7 mph
78.3°F
63.4°F
0 in
0%
6 mi
1011 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 91°F
L: 73°F
Sunny
Wed
H: 81°F
L: 60°F
Sunny
Thu
H: 84°F
L: 64°F
Sunny
Fri
H: 70°F
L: 64°F
Patchy rain nearby
Sat
H: 75°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 4 μg/m3
Carbon Monoxide: 146 μg/m3
Nitrogen Dioxide: 10.5 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:03 PM
Sunset: 8:18 PM
Daylight: 14 hrs 29 mins
Moonrise: 8:07 PM
Moon Transit: 12:00 AM
Moonset: 4:34 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 2:30 PM

Minor Periods

7:37 PM - 9:07 PM
4:04 AM - 5:34 AM

Action Rating: 4 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
91.2°F
73°F
81°F
65%
0 in
4%
0%
13.6 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.64 μg/m3
Carbon Monoxide: 141.38 μg/m3
Nitrogen Dioxide: 4.49 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 73.21 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:03 PM
Sunset: 8:18 PM
Daylight: 14 hrs 29 mins
Moonrise: 8:07 PM
Moon Transit: 12:00 AM
Moonset: 4:34 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 2:30 PM

Minor Periods

7:37 PM - 9:07 PM
4:04 AM - 5:34 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
80.9°F
60.2°F
72°F
65%
0 in
4%
0%
6 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 6.38 μg/m3
PM10: 6.64 μg/m3
Carbon Monoxide: 160.58 μg/m3
Nitrogen Dioxide: 12.15 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 57.54 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:03 PM
Sunset: 8:17 PM
Daylight: 14 hrs 27 mins
Moonrise: 8:36 PM
Moon Transit: 12:49 AM
Moonset: 5:38 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:48 AM - 3:18 PM

Minor Periods

8:06 PM - 9:36 PM
5:08 AM - 6:38 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
83.7°F
63.7°F
73.8°F
76%
0 in
8%
0%
7.4 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 8.5 μg/m3
PM10: 8.84 μg/m3
Carbon Monoxide: 208.38 μg/m3
Nitrogen Dioxide: 14.4 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 71.88 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:03 PM
Sunset: 8:16 PM
Daylight: 14 hrs 25 mins
Moonrise: 9:01 PM
Moon Transit: 1:35 AM
Moonset: 6:44 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
1:33 PM - 4:03 PM

Minor Periods

8:31 PM - 10:01 PM
6:14 AM - 7:44 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
70.1°F
63.8°F
67.2°F
89%
0.65 in
86%
0%
14.1 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 5.26 μg/m3
PM10: 5.55 μg/m3
Carbon Monoxide: 191.19 μg/m3
Nitrogen Dioxide: 13.17 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 68.38 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:03 PM
Sunset: 8:15 PM
Daylight: 14 hrs 23 mins
Moonrise: 9:23 PM
Moon Transit: 2:20 AM
Moonset: 7:49 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
2:17 PM - 4:47 PM

Minor Periods

8:53 PM - 10:23 PM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Patchy rain nearby
74.5°F
60.9°F
66.8°F
91%
0.45 in
88%
0%
16.1 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 4.03 μg/m3
PM10: 4.34 μg/m3
Carbon Monoxide: 287.63 μg/m3
Nitrogen Dioxide: 11.01 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 54.63 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:03 PM
Sunset: 8:14 PM
Daylight: 14 hrs 21 mins
Moonrise: 9:44 PM
Moon Transit: 3:03 AM
Moonset: 8:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:33 AM - 5:03 AM
3:00 PM - 5:30 PM

Minor Periods

9:14 PM - 10:44 PM
8:25 AM - 9:55 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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