Water Temperature of the Illinois River in Seneca, IL
Current Water Temperature
Measurement Time: Tuesday, April 15, 2025, 5:45 AM CDT
Temperature Locations
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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

Humidity: 69%
Feels Like: 68.9°F
Wind: SSW 12.1 mph
Wind Gusts: 15.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0.9
Five Day Weather Forecast

Sun
H: 89°F
L: 59°F

Mon
H: 89°F
L: 60°F

Tue
H: 67°F
L: 61°F

Wed
H: 71°F
L: 48°F

Thu
H: 70°F
L: 49°F
Air Quality
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 122 μg/m3
Astronomical
Sun Transit: 12:42 AM
Sunset: 6:29 PM
Daylight: 11 hrs 33 mins
Moon Transit: 12:00 AM
Moonset: 4:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:09 AM - 1:39 PM
Minor Periods
5:14 PM - 6:44 PM4:29 AM - 5:59 AM
Action Rating: 3 out of 5
Special Weather Statement issued October 5 at 3:18AM CDT by NWS Chicago IL
Effective: Sun October 5, 2025, 3:18 AM
Expires: Sun October 5, 2025, 6:00 PM
Southwest winds gusting up to 30 mph, unseasonably warm temperatures, low relative humidities, and dry vegetation will result in a heightened risk of grass, brush, and field fires this afternoon. Any fires that ignite may become difficult to control due to the strong winds and dry conditions. Outdoor burning is strongly discouraged. Please heed any local burn bans. Take care to prevent the start of accidental fires when handling cigarettes or operating vehicles and farm equipment around dry vegetation or crops. Additionally, the gusty winds may cause dust from harvesting activities to be blown around, resulting in localized sharp visibility reductions. Motorists are advised to use caution when driving near farmland, particularly on east-west roads in open areas.
Special Weather Statement issued October 5 at 3:35AM CDT by NWS Quad Cities IA IL
Effective: Sun October 5, 2025, 3:35 AM
Expires: Sun October 5, 2025, 7:00 PM
A combination of unseasonably warm temperatures, southerly winds gusting 25 to 35 mph, low humidity, and dry cropland will lead to elevated fire danger today. Any fires that ignite, especially in cropland, will spread quickly and could become difficult to control. Therefore, outdoor burning is strongly discouraged, and care should be taken to prevent the start of accidental fires when smoking or operating vehicles and farm equipment around dry vegetation or crops. In addition to the fire risk, motorists should be alert for visibility reductions near farmland as gusty winds could cause dust from harvesting activities to get lofted.
Weather Forecast
Average Temperature: 72.8°F
Average Humidity: 55%
Wind: 17.4 mph
UV Index: 1.2
Air Quality
Nitrogen Dioxide: 5.83 μg/m3
Sulphur Dioxide: 6.13 μg/m3
Ozone: 98.04 μg/m3
Astronomical
Sun Transit: 12:42 AM
Sunset: 6:29 PM
Daylight: 11 hrs 33 mins
Moon Transit: 12:00 AM
Moonset: 4:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:09 AM - 1:39 PM
Minor Periods
5:14 PM - 6:44 PM4:29 AM - 5:59 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 72.5°F
Average Humidity: 70%
Wind: 10.1 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 5.98 μg/m3
Sulphur Dioxide: 3.26 μg/m3
Ozone: 82.96 μg/m3
Astronomical
Sun Transit: 12:42 AM
Sunset: 6:28 PM
Daylight: 11 hrs 31 mins
Moon Transit: 12:38 AM
Moonset: 6:15 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:08 AM - 2:38 AM12:08 AM - 2:38 AM
Minor Periods
5:37 PM - 7:07 PM5:45 AM - 7:15 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 64.6°F
Average Humidity: 77%
Wind: 10.3 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 8.95 μg/m3
Sulphur Dioxide: 2.8 μg/m3
Ozone: 70.88 μg/m3
Astronomical
Sun Transit: 12:42 AM
Sunset: 6:26 PM
Daylight: 11 hrs 28 mins
Moon Transit: 12:42 AM
Moonset: 7:32 AM
Moon Phase: Full
Moon Illumination: 99.1%
Best Times for Fishing or Hunting
Major Periods
12:12 AM - 2:42 AM12:50 AM - 3:20 PM
Minor Periods
6:04 PM - 7:34 PM7:02 AM - 8:32 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 59.3°F
Average Humidity: 52%
Wind: 11.9 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 15.47 μg/m3
Sulphur Dioxide: 4.94 μg/m3
Ozone: 61.2 μg/m3
Astronomical
Sun Transit: 12:41 AM
Sunset: 6:24 PM
Daylight: 11 hrs 25 mins
Moon Transit: 1:35 AM
Moonset: 8:53 AM
Moon Phase: Full
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
1:05 AM - 3:35 AM1:44 PM - 4:14 PM
Minor Periods
6:34 PM - 8:04 PM8:23 AM - 9:53 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 58.6°F
Average Humidity: 53%
Wind: 8.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 12.9 μg/m3
Sulphur Dioxide: 4.75 μg/m3
Ozone: 61.46 μg/m3
Astronomical
Sun Transit: 12:41 AM
Sunset: 6:23 PM
Daylight: 11 hrs 23 mins
Moon Transit: 2:32 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%
Best Times for Fishing or Hunting
Major Periods
2:02 AM - 4:32 AM2:43 PM - 5:13 PM
Minor Periods
7:11 PM - 8:41 PM9:46 AM - 11:16 AM
Action Rating: 2 out of 5