Water Temperature of the Illinois River in Seneca, IL

Current Water Temperature

53.2°F

Measurement Time: Tuesday, April 15, 2025, 5:45 AM CDT

Temperature Locations

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Illinois River

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

Elevation Above Sea Level: 499 feet

Nearest Address:
511 N 2553rd Rd
Seneca, IL 61341
La Salle County

GPS Coordinates: 41.2997222, -88.6141667

Nearby Water Temperatures

Illinois River, Seneca, IL (0 mi)
Illinois River, Marseilles, IL (5.5 mi)
Hanson Gravel Pit, Morris, IL (8 mi)
Kankakee River, Morris, IL (19.3 mi)
Illinois River, Utica, IL (19.4 mi)
Des Plaines River, Channahon, IL (22.2 mi)
Kankakee River, Wilmington, IL (22.4 mi)
Kankakee River, Custer Park, IL (25.5 mi)
Des Plaines River, Rockdale, IL (29.7 mi)
Des Plaines River, Joliet, IL (32 mi)
Des Plaines River, Lockport, IL (33.4 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (37.1 mi)
Illinois River, Henry, IL (40.8 mi)
Cal-Sag Channel, Blue Island, IL (54.6 mi)
Plum Creek, Dyer, IN (59 mi)

Weather for Seneca, Illinois

Current Weather

28.9°F
Clear
Clear
22.3°F
29.5°F
71%
N 6.3 mph
10.9 mph
22.8°F
20.8°F
0 in
0%
9 mi
1037 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 57°F
L: 28°F
Overcast
Sun
H: 54°F
L: 41°F
Overcast
Mon
H: 73°F
L: 39°F
Moderate rain
Tue
H: 81°F
L: 54°F
Partly Cloudy
Wed
H: 50°F
L: 37°F

Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 9.15 μg/m3
Carbon Monoxide: 220.85 μg/m3
Nitrogen Dioxide: 4.25 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 12 hrs 31 mins
Moonrise: 2:44 PM
Moon Transit: 10:03 PM
Moonset: 4:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

9:19 AM - 11:49 AM
12:00 AM - 12:00 AM

Minor Periods

2:14 PM - 3:44 PM
4:11 AM - 5:41 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Sunny
57°F
27.5°F
40.5°F
51%
0 in
0%
0%
16.3 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 6.62 μg/m3
PM10: 7.08 μg/m3
Carbon Monoxide: 204.13 μg/m3
Nitrogen Dioxide: 3.77 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 83.64 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 12 hrs 31 mins
Moonrise: 2:44 PM
Moon Transit: 10:03 PM
Moonset: 4:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

9:19 AM - 11:49 AM
12:00 AM - 12:00 AM

Minor Periods

2:14 PM - 3:44 PM
4:11 AM - 5:41 AM

Action Rating: 2 out of 5

Sunday, March 29, 2026

Weather Forecast

Overcast
54.1°F
41.2°F
47.2°F
61%
0 in
0%
0%
16.3 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 7.43 μg/m3
PM10: 7.63 μg/m3
Carbon Monoxide: 190.81 μg/m3
Nitrogen Dioxide: 4.2 μg/m3
Sulphur Dioxide: 4.03 μg/m3
Ozone: 90.04 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 12 hrs 34 mins
Moonrise: 3:56 PM
Moon Transit: 10:50 PM
Moonset: 5:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

10:08 AM - 12:38 AM
12:00 AM - 12:00 AM

Minor Periods

3:26 PM - 4:56 PM
4:39 AM - 6:09 AM

Action Rating: 2 out of 5

Monday, March 30, 2026

Weather Forecast

Overcast
73.2°F
39.4°F
55.1°F
79%
0 in
0%
0%
19 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 6.2 μg/m3
Carbon Monoxide: 192.97 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 2.7 μg/m3
Ozone: 95.08 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 12 hrs 36 mins
Moonrise: 5:04 PM
Moon Transit: 11:34 PM
Moonset: 5:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

10:54 AM - 1:24 PM
12:00 AM - 12:00 AM

Minor Periods

4:34 PM - 6:04 PM
5:02 AM - 6:32 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Moderate rain
80.6°F
54.1°F
68.4°F
69%
0.47 in
88%
0%
25.9 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 6.55 μg/m3
PM10: 6.84 μg/m3
Carbon Monoxide: 168.9 μg/m3
Nitrogen Dioxide: 3.44 μg/m3
Sulphur Dioxide: 2.02 μg/m3
Ozone: 101.08 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:00 AM
Sunset: 7:18 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:11 PM
Moon Transit: 12:00 AM
Moonset: 5:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:37 AM - 2:07 PM

Minor Periods

5:41 PM - 7:11 PM
5:23 AM - 6:53 AM

Action Rating: 4 out of 5

Wednesday, April 1, 2026

Weather Forecast

Partly Cloudy
50.4°F
36.7°F
45.5°F
59%
0 in
0%
0%
18.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.8 μg/m3
PM10: 5.66 μg/m3
Carbon Monoxide: 166.73 μg/m3
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 92.77 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:00 AM
Sunset: 7:20 PM
Daylight: 12 hrs 42 mins
Moonrise: 7:16 PM
Moon Transit: 12:17 AM
Moonset: 6:14 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:20 AM - 2:50 PM

Minor Periods

6:46 PM - 8:16 PM
5:44 AM - 7:14 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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