Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

58.1°F

Measurement Time: Thursday, November 20, 2025, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Versailles, IL; Beardstown, IL

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Illinois River

Station Name: La Grange L&D 8
Data Source: USGS

Elevation Above Sea Level: 427 feet / 130 meters

Nearest Address:
Lock & Dam Road
La Grange, IL 62378
Cass County

GPS Coordinates: 39.9403, -90.5344

Nearby Water Temperatures

Illinois River, Florence, IL (21.6 mi)
Mason Tazewell Drainage Ditch, Topeka, IL (42.3 mi)
Mississippi River, Saverton, MO (43.4 mi)
Mississippi River, Clarksville, MO (43.9 mi)
Lick Creek, Springfield, IL (46.8 mi)
Mississippi River, Quincy, IL (47.4 mi)
Sugar Creek, Chatham, IL (50.4 mi)
Mississippi River, Canton, MO (53.8 mi)
Mississippi River, Keokuk, IA (54.3 mi)
Mississippi River, Cap Au Gris, MO (65.3 mi)
Illinois River, Peoria, IL (67.7 mi)
Mississippi River, Gladstone, IL (69.9 mi)
Mississippi River, Alton, IL (77.0 mi)
Missouri River, St Charles, MO (79.8 mi)
Mississippi River, New Boston, IL (90.8 mi)

Weather for La Grange, Illinois

Current Weather

47.3°F
Mist
Conditions: Mist
Humidity: 99%
Feels Like: 43.3°F
Wind: SSE 8.5 mph
Wind Gusts: 10.6 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 0 mi
UV Index: 1.4

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 54°F
L: 46°F
Heavy rain
Fri
H: 48°F
L: 39°F
Mist
Sat
H: 42°F
L: 31°F
Sunny
Sun
H: 63°F
L: 43°F
Partly Cloudy
Mon
H: 58°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 16.55 μg/m3
PM10: 16.75 μg/m3
Carbon Monoxide: 230.85 μg/m3
Nitrogen Dioxide: 13.35 μg/m3
Sulphur Dioxide: 10.55 μg/m3
Ozone: 35 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 11:47 AM
Sunset: 4:42 PM
Daylight: 9 hrs 49 mins
Moonrise: 7:30 AM
Moon Transit: 12:05 AM
Moonset: 4:36 PM
Moon Phase: New
Moon Illumination: 2.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:35 AM - 2:05 PM

Minor Periods

4:06 PM - 5:36 PM
7:00 AM - 8:30 AM

Action Rating: 4 out of 5

Thursday, November 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 49.6°F
Average Humidity: 92%
Chance of Rain: 86%
Wind: 8.5 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 13.35 μg/m3
PM10: 13.51 μg/m3
Carbon Monoxide: 234.21 μg/m3
Nitrogen Dioxide: 11.07 μg/m3
Sulphur Dioxide: 4.73 μg/m3
Ozone: 37 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 11:47 AM
Sunset: 4:42 PM
Daylight: 9 hrs 49 mins
Moonrise: 7:30 AM
Moon Transit: 12:05 AM
Moonset: 4:36 PM
Moon Phase: New
Moon Illumination: 2.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:35 AM - 2:05 PM

Minor Periods

4:06 PM - 5:36 PM
7:00 AM - 8:30 AM

Action Rating: 4 out of 5

Friday, November 21, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 47°F
Average Humidity: 93%
Chance of Rain: 89%
Wind: 12.8 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 17.81 μg/m3
PM10: 17.93 μg/m3
Carbon Monoxide: 248.05 μg/m3
Nitrogen Dioxide: 15.79 μg/m3
Sulphur Dioxide: 7.8 μg/m3
Ozone: 21.36 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 11:48 AM
Sunset: 4:42 PM
Daylight: 9 hrs 47 mins
Moonrise: 8:30 AM
Moon Transit: 12:55 AM
Moonset: 5:18 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:25 AM - 2:55 PM

Minor Periods

4:48 PM - 6:18 PM
8:00 AM - 9:30 AM

Action Rating: 4 out of 5

Saturday, November 22, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 36.9°F
Average Humidity: 91%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 7.62 μg/m3
PM10: 8 μg/m3
Carbon Monoxide: 201.65 μg/m3
Nitrogen Dioxide: 10.84 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 39.4 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 11:48 AM
Sunset: 4:41 PM
Daylight: 9 hrs 46 mins
Moonrise: 9:26 AM
Moon Transit: 1:47 PM
Moonset: 6:08 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
1:17 PM - 3:47 PM

Minor Periods

5:38 PM - 7:08 PM
8:56 AM - 10:26 AM

Action Rating: 3 out of 5

Sunday, November 23, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 51.3°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 7.81 μg/m3
PM10: 8.06 μg/m3
Carbon Monoxide: 190.05 μg/m3
Nitrogen Dioxide: 8.94 μg/m3
Sulphur Dioxide: 3.11 μg/m3
Ozone: 51.24 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 11:48 AM
Sunset: 4:41 PM
Daylight: 9 hrs 44 mins
Moonrise: 10:15 AM
Moon Transit: 2:39 PM
Moonset: 7:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

1:38 AM - 4:08 AM
2:09 PM - 4:39 PM

Minor Periods

6:35 PM - 8:05 PM
9:45 AM - 11:15 AM

Action Rating: 3 out of 5

Monday, November 24, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 52.6°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 11.1 μg/m3
PM10: 11.15 μg/m3
Carbon Monoxide: 228.47 μg/m3
Nitrogen Dioxide: 12.39 μg/m3
Sulphur Dioxide: 3.66 μg/m3
Ozone: 37.69 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 11:48 AM
Sunset: 4:40 PM
Daylight: 9 hrs 42 mins
Moonrise: 10:57 AM
Moon Transit: 3:30 PM
Moonset: 8:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
3:00 PM - 5:30 PM

Minor Periods

7:38 PM - 9:08 PM
10:27 AM - 11:57 AM

Action Rating: 2 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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