Water Temperature of the Illinois River in Seneca, IL
Current Water Temperature
Measurement Time: Sunday, January 21, 2024, 8:45 AM CST
Temperature Locations
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Station Name: Seneca
Data Source: USGS
Elevation Above Sea Level: 499 feet / 152 meters
Nearest Address:
Harbor Lane
Seneca, IL 61360
La Salle County
GPS Coordinates: 41.2997, -88.6142
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 (37.2 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: 50%
Feels Like: 86.8°F
Wind: N 7.6 mph
Wind Gusts: 8.7 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 8.6
Five Day Weather Forecast

Mon
H: 80°F
L: 64°F

Tue
H: 88°F
L: 58°F

Wed
H: 80°F
L: 70°F

Thu
H: 83°F
L: 66°F

Fri
H: 87°F
L: 64°F
Air Quality
Nitrogen Dioxide: 6.85 μg/m3
Sulphur Dioxide: 5.92 μg/m3
Ozone: 135 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:30 PM
Daylight: 15 hrs 2 mins
Moon Transit: 10:41 PM
Moonset: 2:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
9:56 AM - 12:26 AM12:00 AM - 12:00 AM
Minor Periods
5:51 PM - 7:21 PM1:48 AM - 3:18 AM
Action Rating: 2 out of 5
Beach Hazards Statement issued July 7 at 9:50AM CDT until July 7 at 7:00PM CDT by NWS Chicago IL
Effective: Mon July 7, 2025, 9:50 AM
Expires: Mon July 7, 2025, 6:00 PM
* WHAT...High wave action and dangerous currents occurring at Lake Michigan beaches. Waves 3 to 5 ft. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Beach Hazards Statement issued July 7 at 9:50AM CDT until July 7 at 9:00PM CDT by NWS Chicago IL
Effective: Mon July 7, 2025, 9:50 AM
Expires: Mon July 7, 2025, 6:00 PM
* WHAT...High wave action and dangerous currents occurring at Lake Michigan beaches. Waves 4 to 7 ft. * WHERE...Lake IN and Porter Counties. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Weather Forecast
Average Temperature: 70.6°F
Average Humidity: 83%
Wind: 8.9 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 13.18 μg/m3
Sulphur Dioxide: 5.9 μg/m3
Ozone: 84.08 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:30 PM
Daylight: 15 hrs 2 mins
Moon Transit: 10:41 PM
Moonset: 2:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
9:56 AM - 12:26 AM12:00 AM - 12:00 AM
Minor Periods
5:51 PM - 7:21 PM1:48 AM - 3:18 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 72°F
Average Humidity: 81%
Wind: 8.5 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 16.64 μg/m3
Sulphur Dioxide: 8.1 μg/m3
Ozone: 95.28 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:30 PM
Daylight: 15 hrs 1 mins
Moon Transit: 11:34 PM
Moonset: 2:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
10:49 AM - 1:19 PM12:00 AM - 12:00 AM
Minor Periods
6:49 PM - 8:19 PM2:29 AM - 3:59 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 74.9°F
Average Humidity: 90%
Wind: 8.1 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 17.6 μg/m3
Sulphur Dioxide: 7.53 μg/m3
Ozone: 102.36 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:29 PM
Daylight: 15 hrs mins
Moon Transit: 12:00 AM
Moonset: 3:49 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:43 AM - 2:13 PM
Minor Periods
7:42 PM - 9:12 PM3:19 AM - 4:49 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 73.9°F
Average Humidity: 77%
Wind: 8.3 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 31.93 μg/m3
Sulphur Dioxide: 2.76 μg/m3
Ozone: 67.15 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:29 PM
Daylight: 14 hrs 58 mins
Moon Transit: 12:29 AM
Moonset: 4:50 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:38 AM - 3:08 PM
Minor Periods
8:26 PM - 9:56 PM4:20 AM - 5:50 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 76.1°F
Average Humidity: 76%
Wind: 16.6 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:28 PM
Daylight: 14 hrs 57 mins
Moon Transit: 1:23 AM
Moonset: 5:57 AM
Moon Phase: Full
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
12:53 AM - 3:23 AM1:31 PM - 4:01 PM
Minor Periods
9:02 PM - 10:32 PM5:27 AM - 6:57 AM
Action Rating: 4 out of 5