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

57°F
Clear
Clear
55.5°F
59.3°F
100%
SSW 7.4 mph
14 mph
58.4°F
56.7°F
0 in
0%
9 mi
1009 mbar
0

Five Day Weather Forecast

Partly Cloudy
Tue
H: 85°F
L: 59°F
Heavy rain
Wed
H: 44°F
L: 32°F
Partly Cloudy
Thu
H: 49°F
L: 29°F
Partly Cloudy
Fri
H: 51°F
L: 41°F
Partly Cloudy
Sat
H: 61°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 8.15 μg/m3
PM10: 8.45 μg/m3
Carbon Monoxide: 162.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:00 AM
Sunset: 6:56 PM
Daylight: 11 hrs 42 mins
Moonrise: 1:48 AM
Moon Transit: 6:10 AM
Moonset: 10:30 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
6:17 PM - 8:47 PM

Minor Periods

10:00 AM - 11:30 AM
1:18 AM - 2:48 AM

Action Rating: 2 out of 5

Hydrologic Outlook issued March 9 at 1:57PM CDT by NWS Chicago IL

Effective: Mon March 9, 2026, 1:57 PM
Expires: Tue March 10, 2026, 8:00 AM

ESFLOT Waves of showers and thunderstorms are likely late Tuesday into Wednesday. Some storms may produce rainfall rates in excess of 1 to 2 inches per hour, which could lead to localized flooding. The locations with the highest risk of flooding are somewhat uncertain. The highest probability of heavy rainfall is generally along and south of I-80, but drought conditions worsen toward Livingston, Ford, Iroquois, and Benton counties. Drought conditions increase the rainfall rates needed to cause flood impact. Closer to the Chicago Metropolitan Area, lower rainfall rates would be required to cause flood impacts, but the probability of heavy rainfall there is lower. This outlook means that elevated water levels and potential impacts are possible, but not yet certain. Persons should closely monitor forecasts including the possibility of flood watches, warnings, and advisories. This product will be updated by tomorrow morning.


Tuesday, March 10, 2026

Weather Forecast

Partly Cloudy
84.6°F
58.6°F
67.5°F
82%
0 in
0%
0%
11.6 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 9.01 μg/m3
PM10: 9.25 μg/m3
Carbon Monoxide: 168.73 μg/m3
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 69.36 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:00 AM
Sunset: 6:56 PM
Daylight: 11 hrs 42 mins
Moonrise: 1:48 AM
Moon Transit: 6:10 AM
Moonset: 10:30 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
6:17 PM - 8:47 PM

Minor Periods

10:00 AM - 11:30 AM
1:18 AM - 2:48 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Heavy rain
43.7°F
32.2°F
43°F
87%
3.17 in
84%
0%
21.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.54 μg/m3
PM10: 6.64 μg/m3
Carbon Monoxide: 173.45 μg/m3
Nitrogen Dioxide: 7.15 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 61.24 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:00 AM
Sunset: 6:57 PM
Daylight: 11 hrs 44 mins
Moonrise: 2:46 AM
Moon Transit: 7:01 AM
Moonset: 11:16 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

6:31 AM - 9:01 AM
7:09 PM - 9:39 PM

Minor Periods

10:46 AM - 12:16 AM
2:16 AM - 3:46 AM

Action Rating: 3 out of 5

Thursday, March 12, 2026

Weather Forecast

Partly Cloudy
49.1°F
28.9°F
38.3°F
70%
0 in
0%
0%
22.4 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 4.13 μg/m3
Carbon Monoxide: 181.09 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 75.12 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:00 AM
Sunset: 6:58 PM
Daylight: 11 hrs 47 mins
Moonrise: 3:38 AM
Moon Transit: 7:53 AM
Moonset: 12:11 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

7:23 AM - 9:53 AM
8:01 PM - 10:31 PM

Minor Periods

11:41 AM - 1:11 PM
3:08 AM - 4:38 AM

Action Rating: 3 out of 5

Friday, March 13, 2026

Weather Forecast

Partly Cloudy
50.5°F
40.8°F
45.2°F
49%
0 in
0%
0%
29.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.09 μg/m3
PM10: 3.48 μg/m3
Carbon Monoxide: 161.6 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 90.72 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:00 AM
Sunset: 6:59 PM
Daylight: 11 hrs 50 mins
Moonrise: 4:23 AM
Moon Transit: 8:45 AM
Moonset: 1:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
8:52 PM - 11:22 PM

Minor Periods

12:42 AM - 2:12 PM
3:53 AM - 5:23 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Partly Cloudy
60.5°F
33.4°F
42°F
59%
0 in
0%
0%
19.7 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 5.77 μg/m3
PM10: 6.73 μg/m3
Carbon Monoxide: 204.72 μg/m3
Nitrogen Dioxide: 10.11 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 62.46 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 11 hrs 53 mins
Moonrise: 5:00 AM
Moon Transit: 9:36 AM
Moonset: 2:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:06 AM - 11:36 AM

Minor Periods

1:48 PM - 3:18 PM
4:30 AM - 6:00 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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