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

31.1°F
Overcast
Overcast
26.7°F
33°F
76%
E 4.3 mph
5.6 mph
26.9°F
24.2°F
0 in
100%
9 mi
1022 mbar
0.1

Five Day Weather Forecast

Sunny
Sat
H: 55°F
L: 31°F
Heavy rain
Sun
H: 56°F
L: 40°F
Moderate or heavy snow showers
Mon
H: 25°F
L: 18°F
Light freezing rain
Tue
H: 23°F
L: 10°F
Moderate or heavy snow showers
Wed
H: 48°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 5.35 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 198.85 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 11 hrs 53 mins
Moonrise: 5:00 AM
Moon Transit: 9:36 AM
Moonset: 2:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:06 AM - 11:36 AM

Minor Periods

1:48 PM - 3:18 PM
4:30 AM - 6:00 AM

Action Rating: 2 out of 5

High Wind Watch issued March 14 at 2:00AM CDT until March 15 at 9:00PM CDT by NWS Chicago IL

Effective: Sat March 14, 2026, 2:00 AM
Expires: Sat March 14, 2026, 12:00 PM

* WHAT...South winds 25 to 30 mph with gusts up to 60 mph possible. * WHERE...In Illinois, Livingston, Ford, Iroquois, Eastern Will, and Kankakee Counties. In Indiana, Benton, Jasper, Lake IN, Newton, and Porter Counties. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Localized power outages are possible. Travel could be difficult, especially for high profile vehicles on west to east oriented roadways.

Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds.


Winter Storm Watch issued March 13 at 8:23PM CDT until March 16 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Fri March 13, 2026, 8:23 PM
Expires: Sat March 14, 2026, 4:30 AM

* WHAT...Blizzard conditions possible. Total snow accumulations between 3 and 7 inches possible. Winds could gust as high as 55 mph. * WHERE...Portions of north central and northwest Illinois and east central and northeast Iowa. * WHEN...From Sunday evening through Monday evening. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Whiteout conditions are possible and may make travel treacherous and potentially life-threatening. Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Temperatures are expected to steadily fall Sunday evening through Monday morning, leading to slick road conditions.

Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.


Winter Storm Watch issued March 14 at 2:10AM CDT until March 16 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Sat March 14, 2026, 2:10 AM
Expires: Sat March 14, 2026, 10:15 AM

* WHAT...Blizzard conditions possible. Total snow accumulations between 4 and 9 inches possible. Winds could gust as high as 60 mph. * WHERE...Portions of north central and northwest Illinois and east central and northeast Iowa. * WHEN...From Sunday evening through Monday evening. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Whiteout conditions are possible and may make travel treacherous and potentially life-threatening. Travel could be very difficult. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Temperatures are expected to steadily fall Sunday evening through Monday morning, leading to slick road conditions.

Prepare for possible blizzard conditions. Continue to monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.


Saturday, March 14, 2026

Weather Forecast

Sunny
54.5°F
31.1°F
39.6°F
58%
0 in
0%
0%
15.9 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.08 μg/m3
PM10: 4.77 μg/m3
Carbon Monoxide: 192.65 μg/m3
Nitrogen Dioxide: 5.57 μg/m3
Sulphur Dioxide: 2.76 μg/m3
Ozone: 76.12 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 11 hrs 53 mins
Moonrise: 5:00 AM
Moon Transit: 9:36 AM
Moonset: 2:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:06 AM - 11:36 AM

Minor Periods

1:48 PM - 3:18 PM
4:30 AM - 6:00 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Heavy rain
55.8°F
40.1°F
49.6°F
90%
0.83 in
86%
0%
24.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 5.9 μg/m3
PM10: 6.73 μg/m3
Carbon Monoxide: 176.93 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 3.94 μg/m3
Ozone: 86.48 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 7:01 PM
Daylight: 11 hrs 55 mins
Moonrise: 5:31 AM
Moon Transit: 10:24 AM
Moonset: 3:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:54 AM - 12:24 AM

Minor Periods

2:56 PM - 4:26 PM
5:01 AM - 6:31 AM

Action Rating: 2 out of 5

Monday, March 16, 2026

Weather Forecast

Moderate or heavy snow showers
24.9°F
18.3°F
24.7°F
84%
1.35 in
88%
37%
26.8 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 2.61 μg/m3
PM10: 2.89 μg/m3
Carbon Monoxide: 174.93 μg/m3
Nitrogen Dioxide: 3.12 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 87.16 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:00 AM
Sunset: 7:02 PM
Daylight: 11 hrs 58 mins
Moonrise: 5:58 AM
Moon Transit: 11:12 AM
Moonset: 4:37 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:42 AM - 1:12 PM

Minor Periods

4:07 PM - 5:37 PM
5:28 AM - 6:58 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Light freezing rain
22.5°F
10.4°F
17°F
65%
0.01 in
88%
23%
15.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.89 μg/m3
PM10: 4.2 μg/m3
Carbon Monoxide: 178.96 μg/m3
Nitrogen Dioxide: 3.08 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 87.8 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:00 AM
Sunset: 7:03 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:22 AM
Moon Transit: 11:58 AM
Moonset: 5:47 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:28 AM - 1:58 PM

Minor Periods

5:17 PM - 6:47 PM
5:52 AM - 7:22 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Moderate or heavy snow showers
47.9°F
21.9°F
31.1°F
82%
0.11 in
65%
18%
16.8 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 7.19 μg/m3
Carbon Monoxide: 207.68 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 86.62 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:00 AM
Sunset: 7:05 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:45 AM
Moon Transit: 12:45 AM
Moonset: 6:58 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 AM
12:15 AM - 2:45 PM

Minor Periods

6:28 PM - 7:58 PM
6:15 AM - 7:45 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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