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

55.8°F
Overcast
Overcast
53.8°F
64.7°F
44%
NNW 7.8 mph
10.4 mph
64.7°F
30.4°F
0 in
100%
9 mi
1009 mbar
0.6

Five Day Weather Forecast

Sunny
Tue
H: 68°F
L: 50°F
Partly Cloudy
Wed
H: 58°F
L: 41°F
Patchy rain nearby
Thu
H: 61°F
L: 41°F
Moderate rain
Fri
H: 59°F
L: 48°F
Partly Cloudy
Sat
H: 74°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 150.85 μg/m3
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 12:51 AM
Sunset: 7:56 PM
Daylight: 14 hrs 10 mins
Moonrise: 12:22 AM
Moon Transit: 3:38 AM
Moonset: 7:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:08 AM - 5:38 AM
3:45 PM - 6:15 PM

Minor Periods

7:24 AM - 8:54 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, May 5, 2026

Weather Forecast

Sunny
67.5°F
49.6°F
56.4°F
51%
0 in
0%
0%
11.6 mph
4.6


Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 4.96 μg/m3
Carbon Monoxide: 158.33 μg/m3
Nitrogen Dioxide: 5.39 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 81.76 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 12:51 AM
Sunset: 7:56 PM
Daylight: 14 hrs 10 mins
Moonrise: 12:22 AM
Moon Transit: 3:38 AM
Moonset: 7:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:08 AM - 5:38 AM
3:45 PM - 6:15 PM

Minor Periods

7:24 AM - 8:54 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 6, 2026

Weather Forecast

Partly Cloudy
57.5°F
41.4°F
49.4°F
52%
0 in
0%
0%
15 mph
5.3


Air Quality

AQI: 1 - Good
PM2.5: 3.99 μg/m3
PM10: 4.3 μg/m3
Carbon Monoxide: 151.73 μg/m3
Nitrogen Dioxide: 5.64 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 71.72 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 12:51 AM
Sunset: 7:57 PM
Daylight: 14 hrs 12 mins
Moonrise: 12:12 AM
Moon Transit: 4:29 AM
Moonset: 8:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

3:59 AM - 6:29 AM
4:36 PM - 7:06 PM

Minor Periods

8:20 AM - 9:50 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
61.4°F
41.4°F
50.9°F
64%
0.1 in
89%
0%
16.6 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 3.19 μg/m3
PM10: 3.28 μg/m3
Carbon Monoxide: 158.09 μg/m3
Nitrogen Dioxide: 3.92 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 69.04 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:51 AM
Sunset: 7:58 PM
Daylight: 14 hrs 14 mins
Moonrise: 12:54 AM
Moon Transit: 5:19 AM
Moonset: 9:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
5:25 PM - 7:55 PM

Minor Periods

9:20 AM - 10:50 AM
12:24 AM - 1:54 AM

Action Rating: 3 out of 5

Friday, May 8, 2026

Weather Forecast

Moderate rain
58.9°F
48.1°F
52.6°F
82%
0.33 in
83%
0%
14.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 5.97 μg/m3
PM10: 6.5 μg/m3
Carbon Monoxide: 161.42 μg/m3
Nitrogen Dioxide: 8.68 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 67.04 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:50 AM
Sunset: 7:59 PM
Daylight: 14 hrs 16 mins
Moonrise: 1:29 AM
Moon Transit: 6:08 AM
Moonset: 10:55 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

5:38 AM - 8:08 AM
6:13 PM - 8:43 PM

Minor Periods

10:25 AM - 11:55 AM
12:59 AM - 2:29 AM

Action Rating: 3 out of 5

Saturday, May 9, 2026

Weather Forecast

Partly Cloudy
73.7°F
47°F
60.1°F
70%
0 in
0%
0%
20.1 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 12.28 μg/m3
PM10: 13.49 μg/m3
Carbon Monoxide: 213.6 μg/m3
Nitrogen Dioxide: 15.9 μg/m3
Sulphur Dioxide: 1.87 μg/m3
Ozone: 57.31 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 12:50 AM
Sunset: 8:00 PM
Daylight: 14 hrs 19 mins
Moonrise: 1:58 AM
Moon Transit: 6:55 AM
Moonset: 12:00 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
6:59 PM - 9:29 PM

Minor Periods

11:30 AM - 1:00 PM
1:28 AM - 2:58 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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