Water Temperature of the Illinois River in Marseilles, IL

Current Water Temperature

32.0°F 0.0°C
Frigid Dangerously Cold
32.0°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.

Measurement Time: Sunday, January 21, 2024, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Marseilles Canal; Marseilles State Fish & Wildlife Area; Illini State Park

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Illinois River

Station Name: Marseilles L&D 5 Met Stn
Data Source: USGS

Elevation Above Sea Level: 476 feet

Nearest Address:
Commercial Street
Marseilles, IL 61341
La Salle County

GPS Coordinates: 41.3261, -88.7147

Nearby Water Temperatures

Illinois River, Seneca, IL (5.5 mi)
Illinois River, Seneca, IL (5.5 mi)
Hanson Gravel Pit, Morris, IL (12.9 mi)
Illinois River, Utica, IL (14.1 mi)
Kankakee River, Morris, IL (23.9 mi)
Des Plaines River, Channahon, IL (26.6 mi)
Kankakee River, Wilmington, IL (27.4 mi)
Kankakee River, Custer Park, IL (31 mi)
Des Plaines River, Rockdale, IL (33.7 mi)
Des Plaines River, Joliet, IL (35.8 mi)
Illinois River, Henry, IL (36.6 mi)
Des Plaines River, Lockport, IL (37 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (40.3 mi)
Cal-Sag Channel, Blue Island, IL (58.6 mi)
Rock River, Byron, IL (61.7 mi)

Weather for Marseilles, Illinois

Current Weather

47.5°F
Clear
Conditions: Clear
Humidity: 64%
Feels Like: 43.5°F
Wind: WNW 8.3 mph
Wind Gusts: 23.1 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Sunny
Sun
H: 60°F
L: 38°F
Sunny
Mon
H: 61°F
L: 39°F
Sunny
Tue
H: 62°F
L: 44°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
3.5 μg/m³
Good
PM10
3.6 μg/m³
Good
Ozone (O3)
40 μg/m³
Photochemical
NO2
8.2 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
151 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 7m daylight
Sunrise 6:35 AM
Solar Noon 11:38 AM
Sunset 4:42 PM
Moon
New • 0%
Moonrise 6:05 AM
Transit 11:05 AM
Moonset 3:59 PM

Best Times for Fishing or Hunting

Major Periods

10:35 AM - 1:05 PM
10:59 PM - 1:29 AM

Minor Periods

5:35 AM - 7:05 AM
3:29 PM - 4:59 PM
Action Rating:
Peak Action 5/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 46.9°F
Average Humidity: 66%
Chance of Rain: 6%
Wind: 14.8 mph
UV Index: 2.5

Astronomical

Sun
10h 7m daylight
Sunrise 6:35 AM
Solar Noon 11:38 AM
Sunset 4:42 PM
Moon
New • 0%
Moonrise 6:05 AM
Transit 11:05 AM
Moonset 3:59 PM

Best Times for Fishing or Hunting

Major Periods

10:35 AM - 1:05 PM
10:59 PM - 1:29 AM

Minor Periods

5:35 AM - 7:05 AM
3:29 PM - 4:59 PM
Action Rating:
Peak Action 5/5
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 48.9°F
Average Humidity: 64%
Chance of Rain: 6%
Wind: 9.6 mph
UV Index: 2.6

Astronomical

Sun
10h 5m daylight
Sunrise 6:36 AM
Solar Noon 11:38 AM
Sunset 4:41 PM
Moon
New • 2%
Moonrise 7:11 AM
Transit 11:53 AM
Moonset 4:31 PM

Best Times for Fishing or Hunting

Major Periods

11:23 AM - 1:53 PM
11:48 PM - 2:18 AM

Minor Periods

6:41 AM - 8:11 AM
4:01 PM - 5:31 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 52°F
Average Humidity: 67%
Chance of Rain: 6%
Wind: 9.2 mph
UV Index: 2.5

Astronomical

Sun
10h 3m daylight
Sunrise 6:38 AM
Solar Noon 11:38 AM
Sunset 4:40 PM
Moon
New • 0%
Moonrise 8:15 AM
Transit 12:43 PM
Moonset 5:09 PM

Best Times for Fishing or Hunting

Major Periods

12:13 PM - 2:43 PM
11:48 PM - 2:18 AM

Minor Periods

7:45 AM - 9:15 AM
4:39 PM - 6:09 PM
Action Rating:
Very Good 4/5
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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