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

Five Day Weather Forecast

Mon
H: 85°F
L: 69°F

Tue
H: 88°F
L: 70°F

Wed
H: 90°F
L: 73°F

Thu
H: 90°F
L: 73°F

Fri
H: 77°F
L: 60°F
Air Quality
Nitrogen Dioxide: 7.4 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 59 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 8:26 PM
Daylight: 15 hrs 5 mins
Moon Transit: 12:00 AM
Moonset: 1:07 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
12:37 AM - 2:07 PM12:40 AM - 2:10 AM
Action Rating: 2 out of 5
Flood Watch issued June 7 at 11:46AM CDT until June 8 at 7:00PM CDT by NWS Quad Cities IA IL
Effective: Sun June 7, 2026, 11:46 AM
Expires: Mon June 8, 2026, 12:00 PM
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Bureau, Carroll, Henry IL, Jo Daviess, Mercer, Putnam, Rock Island and Whiteside and Iowa, including the following areas, Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson, Jones, Linn, Muscatine and Scott. * WHEN...Through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Exceptionally high amounts of moisture will combine with persistent lift from an area of low pressure aloft to bring repeated heavy rain from thunderstorms.
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Flood Watch issued June 8 at 1:00AM CDT until June 8 at 7:00PM CDT by NWS Quad Cities IA IL
Effective: Mon June 8, 2026, 1:00 AM
Expires: Mon June 8, 2026, 7:00 PM
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Bureau, Carroll, Hancock, Henderson, Henry IL, Jo Daviess, Mercer, Putnam, Rock Island and Whiteside, Iowa, including the following areas, Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry IA, Iowa, Jackson, Jefferson, Johnson, Jones, Keokuk, Lee, Linn, Louisa, Muscatine, Scott, Van Buren and Washington, and northeast Missouri, including the following areas, Clark and Scotland. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Very high atmospheric moisture across the area will bring heavy rain from several rounds of thunderstorms. Rainfall rates of 2 to 3 inches per hour are possible.
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.93 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 64.08 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 8:26 PM
Daylight: 15 hrs 5 mins
Moon Transit: 12:00 AM
Moonset: 1:07 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
12:37 AM - 2:07 PM12:40 AM - 2:10 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.1 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 67.71 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 8:27 PM
Daylight: 15 hrs 6 mins
Moon Transit: 5:27 AM
Moonset: 2:16 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%
Best Times for Fishing or Hunting
Major Periods
4:57 AM - 7:27 AM4:57 AM - 7:27 AM
Minor Periods
1:46 PM - 3:16 PM1:01 AM - 2:31 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.12 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 74.83 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:27 PM
Daylight: 15 hrs 7 mins
Moon Transit: 8:34 AM
Moonset: 3:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%
Best Times for Fishing or Hunting
Major Periods
8:04 AM - 10:34 AM8:40 PM - 11:10 PM
Minor Periods
2:58 PM - 4:28 PM1:24 AM - 2:54 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.64 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 58.42 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:28 PM
Daylight: 15 hrs 7 mins
Moon Transit: 9:24 AM
Moonset: 4:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%
Best Times for Fishing or Hunting
Major Periods
8:54 AM - 11:24 AM12:00 AM - 12:00 AM
Minor Periods
4:15 PM - 5:45 PM1:49 AM - 3:19 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.21 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 36.38 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:28 PM
Daylight: 15 hrs 8 mins
Moon Transit: 10:20 AM
Moonset: 6:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:50 AM - 12:20 AM
Minor Periods
5:35 PM - 7:05 PM2:20 AM - 3:50 AM
Action Rating: 2 out of 5
