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 / 152 meters

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 (0.0 mi)
Illinois River, Marseilles, IL (5.5 mi)
Hanson Gravel Pit, Morris, IL (8.0 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 (32.0 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 (59.0 mi)

Weather for Seneca, Illinois

Current Weather

66.4°F
Mist
Conditions: Mist
Humidity: 86%
Feels Like: 66.4°F
Wind: ESE 8.3 mph
Wind Gusts: 17.4 mph
Pressure: 30.09 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Mon
H: 91°F
L: 57°F
Sunny
Tue
H: 89°F
L: 57°F
Sunny
Wed
H: 88°F
L: 54°F
Sunny
Thu
H: 93°F
L: 62°F
Sunny
Fri
H: 87°F
L: 61°F

Air Quality

PM2.5: 12.21 μg/m3
PM10: 12.58 μg/m3
Carbon Monoxide: 399.6 μg/m3
Nitrogen Dioxide: 23.5 μg/m3
Sulphur Dioxide: 4.63 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:49 AM
Sunset: 7:03 PM
Daylight: 12 hrs 28 mins
Moonrise: 12:34 AM
Moon Transit: 7:47 AM
Moonset: 3:56 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
7:58 PM - 10:28 PM

Minor Periods

3:26 PM - 4:56 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, September 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 72.9°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 16.78 μg/m3
PM10: 17.25 μg/m3
Carbon Monoxide: 426.17 μg/m3
Nitrogen Dioxide: 17.04 μg/m3
Sulphur Dioxide: 6.07 μg/m3
Ozone: 92.52 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:49 AM
Sunset: 7:03 PM
Daylight: 12 hrs 28 mins
Moonrise: 12:34 AM
Moon Transit: 7:47 AM
Moonset: 3:56 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
7:58 PM - 10:28 PM

Minor Periods

3:26 PM - 4:56 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70.4°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 26.11 μg/m3
PM10: 26.57 μg/m3
Carbon Monoxide: 416.77 μg/m3
Nitrogen Dioxide: 28.86 μg/m3
Sulphur Dioxide: 9.86 μg/m3
Ozone: 87.36 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:49 AM
Sunset: 7:01 PM
Daylight: 12 hrs 25 mins
Moonrise: 12:42 AM
Moon Transit: 8:46 AM
Moonset: 4:41 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:16 AM - 10:46 AM
8:55 PM - 11:25 PM

Minor Periods

4:11 PM - 5:41 PM
12:12 AM - 1:42 AM

Action Rating: 2 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.5°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 17.92 μg/m3
PM10: 18.4 μg/m3
Carbon Monoxide: 418.25 μg/m3
Nitrogen Dioxide: 20.96 μg/m3
Sulphur Dioxide: 7.57 μg/m3
Ozone: 95.04 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:48 AM
Sunset: 7:00 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:54 AM
Moon Transit: 9:41 AM
Moonset: 5:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:11 AM - 11:41 AM

Minor Periods

4:45 PM - 6:15 PM
1:24 AM - 2:54 AM

Action Rating: 2 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 75.8°F
Average Humidity: 46%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 18.73 μg/m3
PM10: 19.17 μg/m3
Carbon Monoxide: 502.49 μg/m3
Nitrogen Dioxide: 28.39 μg/m3
Sulphur Dioxide: 8.44 μg/m3
Ozone: 81.77 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:48 AM
Sunset: 6:58 PM
Daylight: 12 hrs 19 mins
Moonrise: 3:06 AM
Moon Transit: 10:31 AM
Moonset: 5:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:01 AM - 12:31 AM

Minor Periods

5:13 PM - 6:43 PM
2:36 AM - 4:06 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71.1°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 15.4 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:48 AM
Sunset: 6:56 PM
Daylight: 12 hrs 17 mins
Moonrise: 4:16 AM
Moon Transit: 11:17 AM
Moonset: 6:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:47 AM - 1:17 PM

Minor Periods

5:37 PM - 7:07 PM
3:46 AM - 5:16 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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