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

33.3°F
Partly cloudy
Partly cloudy
22.5°F
34.3°F
79%
NE 17 mph
21.5 mph
23.9°F
30.4°F
0 in
50%
9 mi
1022 mbar
0

Five Day Weather Forecast

Overcast
Fri
H: 53°F
L: 33°F
Sunny
Sat
H: 53°F
L: 27°F
Overcast
Sun
H: 52°F
L: 39°F
Patchy rain nearby
Mon
H: 74°F
L: 44°F
Moderate rain
Tue
H: 80°F
L: 59°F

Air Quality

PM2.5: 2.55 μg/m3
PM10: 2.65 μg/m3
Carbon Monoxide: 188.85 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:30 PM
Moon Transit: 9:12 PM
Moonset: 4:07 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
8:42 PM - 11:12 PM

Minor Periods

1:00 PM - 2:30 PM
3:37 AM - 5:07 AM

Action Rating: 2 out of 5

Severe Thunderstorm Watch issued March 26 at 4:15PM CDT until March 26 at 11:00PM CDT by NWS Chicago IL

Effective: Thu March 26, 2026, 4:15 PM
Expires: Thu March 26, 2026, 11:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 76 IN EFFECT UNTIL 11 PM CDT /MIDNIGHT EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 7 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTH CENTRAL ILLINOIS LA SALLE IN NORTHEAST ILLINOIS GRUNDY KANKAKEE WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS, CHESTERTON, COAL CITY, DEMOTTE, DWIGHT, FAIRBURY, FOWLER, GARY, GIBSON CITY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LA SALLE, MARSEILLES, MENDOTA, MERRILLVILLE, MINOOKA, MOROCCO, MORRIS, OTTAWA, OXFORD, PAXTON, PONTIAC, PORTAGE, RENSSELAER, ROSELAWN, STREATOR, VALPARAISO, WATSEKA, AND WILMINGTON.


Severe Thunderstorm Watch issued March 26 at 4:16PM CDT until March 26 at 11:00PM CDT by NWS Quad Cities IA IL

Effective: Thu March 26, 2026, 4:16 PM
Expires: Thu March 26, 2026, 11:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 76 IN EFFECT UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 8 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS HENRY IL MERCER IN WEST CENTRAL ILLINOIS HANCOCK HENDERSON MCDONOUGH WARREN IN IOWA THIS WATCH INCLUDES 3 COUNTIES IN SOUTHEAST IOWA DES MOINES HENRY IA LEE THIS INCLUDES THE CITIES OF ALEDO, BURLINGTON, CARTHAGE, GENESEO, HENNEPIN, KEOKUK, MACOMB, MONMOUTH, MOUNT PLEASANT, OQUAWKA, AND PRINCETON.


Severe Thunderstorm Watch issued March 26 at 4:15PM CDT until March 26 at 11:00PM CDT by NWS Lincoln IL

Effective: Thu March 26, 2026, 4:15 PM
Expires: Thu March 26, 2026, 11:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 76 IN EFFECT UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 27 COUNTIES IN CENTRAL ILLINOIS CHRISTIAN DE WITT LOGAN MACON MARSHALL MASON MCLEAN MENARD PEORIA SANGAMON SHELBY STARK TAZEWELL WOODFORD IN EAST CENTRAL ILLINOIS CHAMPAIGN COLES DOUGLAS EDGAR MOULTRIE PIATT VERMILION IN WEST CENTRAL ILLINOIS CASS FULTON KNOX MORGAN SCHUYLER SCOTT THIS INCLUDES THE CITIES OF BEARDSTOWN, BLOOMINGTON, CANTON, CHAMPAIGN, CHARLESTON, CLINTON, DANVILLE, DECATUR, EUREKA, GALESBURG, HAVANA, JACKSONVILLE, LACON, LINCOLN, MATTOON, MONTICELLO, NORMAL, PARIS, PEKIN, PEORIA, PETERSBURG, RUSHVILLE, SHELBYVILLE, SPRINGFIELD, SULLIVAN, TAYLORVILLE, TOULON, TUSCOLA, URBANA, AND WINCHESTER.


Friday, March 27, 2026

Weather Forecast

Overcast
52.5°F
32.5°F
39.6°F
67%
0 in
0%
0%
19.2 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 4.31 μg/m3
Carbon Monoxide: 197.89 μg/m3
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 2.09 μg/m3
Ozone: 81.8 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:30 PM
Moon Transit: 9:12 PM
Moonset: 4:07 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
8:42 PM - 11:12 PM

Minor Periods

1:00 PM - 2:30 PM
3:37 AM - 5:07 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Sunny
53.4°F
26.6°F
39°F
49%
0 in
0%
0%
16.1 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 5.77 μg/m3
PM10: 6.02 μg/m3
Carbon Monoxide: 189.01 μg/m3
Nitrogen Dioxide: 5.13 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 76.6 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 12 hrs 31 mins
Moonrise: 2:44 PM
Moon Transit: 10:03 PM
Moonset: 4:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

9:19 AM - 11:49 AM
12:00 AM - 12:00 AM

Minor Periods

2:14 PM - 3:44 PM
4:11 AM - 5:41 AM

Action Rating: 2 out of 5

Sunday, March 29, 2026

Weather Forecast

Overcast
52°F
38.8°F
45.4°F
63%
0 in
0%
0%
16.3 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 6.83 μg/m3
PM10: 6.95 μg/m3
Carbon Monoxide: 190.16 μg/m3
Nitrogen Dioxide: 5.52 μg/m3
Sulphur Dioxide: 4.61 μg/m3
Ozone: 77.08 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 12 hrs 34 mins
Moonrise: 3:56 PM
Moon Transit: 10:50 PM
Moonset: 5:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

10:08 AM - 12:38 AM
12:00 AM - 12:00 AM

Minor Periods

3:26 PM - 4:56 PM
4:39 AM - 6:09 AM

Action Rating: 2 out of 5

Monday, March 30, 2026

Weather Forecast

Patchy rain nearby
74.3°F
44.2°F
61.7°F
70%
0.11 in
79%
0%
14.1 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 6.26 μg/m3
PM10: 6.43 μg/m3
Carbon Monoxide: 191.54 μg/m3
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 2.8 μg/m3
Ozone: 84.54 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 12 hrs 36 mins
Moonrise: 5:04 PM
Moon Transit: 11:34 PM
Moonset: 5:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

10:54 AM - 1:24 PM
12:00 AM - 12:00 AM

Minor Periods

4:34 PM - 6:04 PM
5:02 AM - 6:32 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Moderate rain
79.8°F
59°F
67.2°F
75%
0.26 in
80%
0%
23.9 mph
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: 6:39 AM
Sun Transit: 12:00 AM
Sunset: 7:18 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:11 PM
Moon Transit: 12:00 AM
Moonset: 5:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:37 AM - 2:07 PM

Minor Periods

5:41 PM - 7:11 PM
5:23 AM - 6:53 AM

Action Rating: 4 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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