Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

39.9°F

Measurement Time: Sunday, January 11, 2026, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Versailles, IL; Beardstown, IL

Illinois River

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

Elevation Above Sea Level: 427 feet

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 mi)
Missouri River, St Charles, MO (79.8 mi)
Mississippi River, New Boston, IL (90.8 mi)

Weather for La Grange, Illinois

Current Weather

30°F
Partly Cloudy
Partly Cloudy
20.5°F
31.6°F
64%
NW 11.4 mph
13.4 mph
23°F
24.7°F
0 in
0%
9 mi
1033 mbar
1.5

Five Day Weather Forecast

Partly Cloudy
Sun
H: 39°F
L: 25°F
Sunny
Mon
H: 45°F
L: 28°F
Partly Cloudy
Tue
H: 53°F
L: 30°F
Blowing snow
Wed
H: 40°F
L: 21°F
Sunny
Thu
H: 29°F
L: 17°F

Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 3.05 μg/m3
Carbon Monoxide: 202.85 μg/m3
Nitrogen Dioxide: 5.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:10 AM
Sunset: 4:57 PM
Daylight: 9 hrs 35 mins
Moonrise: 1:08 AM
Moon Transit: 6:26 AM
Moonset: 11:37 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:56 AM - 8:26 AM
6:13 PM - 8:43 PM

Minor Periods

11:07 AM - 12:37 AM
12:38 AM - 2:08 AM

Action Rating: 2 out of 5

Sunday, January 11, 2026

Weather Forecast

Partly Cloudy
39.2°F
25.2°F
30.3°F
70%
0 in
0%
0%
18.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.8 μg/m3
Carbon Monoxide: 186.17 μg/m3
Nitrogen Dioxide: 2.92 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 66.92 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:10 AM
Sunset: 4:57 PM
Daylight: 9 hrs 35 mins
Moonrise: 1:08 AM
Moon Transit: 6:26 AM
Moonset: 11:37 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:56 AM - 8:26 AM
6:13 PM - 8:43 PM

Minor Periods

11:07 AM - 12:37 AM
12:38 AM - 2:08 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Sunny
44.8°F
28°F
34.4°F
68%
0 in
0%
0%
13.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.79 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 182.01 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 2.09 μg/m3
Ozone: 50.36 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:10 AM
Sunset: 4:59 PM
Daylight: 9 hrs 36 mins
Moonrise: 2:10 AM
Moon Transit: 7:10 AM
Moonset: 12:04 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:40 AM - 9:10 AM
6:58 PM - 9:28 PM

Minor Periods

11:34 AM - 1:04 PM
1:40 AM - 3:10 AM

Action Rating: 2 out of 5

Tuesday, January 13, 2026

Weather Forecast

Partly Cloudy
52.7°F
30.4°F
40°F
80%
0 in
0%
0%
16.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 6.99 μg/m3
Carbon Monoxide: 189.05 μg/m3
Nitrogen Dioxide: 7.66 μg/m3
Sulphur Dioxide: 1.97 μg/m3
Ozone: 40.92 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:10 AM
Sunset: 5:00 PM
Daylight: 9 hrs 37 mins
Moonrise: 3:12 AM
Moon Transit: 7:56 AM
Moonset: 12:35 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

7:26 AM - 9:56 AM
7:45 PM - 10:15 PM

Minor Periods

12:05 AM - 1:35 PM
2:42 AM - 4:12 AM

Action Rating: 3 out of 5

Wednesday, January 14, 2026

Weather Forecast

Blowing snow
40.4°F
21.2°F
32.4°F
65%
0.08 in
82%
19%
24.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.94 μg/m3
PM10: 3.06 μg/m3
Carbon Monoxide: 162.53 μg/m3
Nitrogen Dioxide: 3.63 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 63.24 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:11 AM
Sunset: 5:01 PM
Daylight: 9 hrs 39 mins
Moonrise: 4:14 AM
Moon Transit: 8:44 AM
Moonset: 1:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:14 AM - 10:44 AM
8:35 PM - 11:05 PM

Minor Periods

12:42 AM - 2:12 PM
3:44 AM - 5:14 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Sunny
29°F
17.1°F
21.3°F
51%
0 in
0%
0%
18.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.23 μg/m3
PM10: 2.31 μg/m3
Carbon Monoxide: 176.71 μg/m3
Nitrogen Dioxide: 3.52 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 62.46 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:11 AM
Sunset: 5:02 PM
Daylight: 9 hrs 40 mins
Moonrise: 5:13 AM
Moon Transit: 9:35 AM
Moonset: 1:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

9:27 PM - 11:57 PM
9:05 AM - 11:35 AM

Minor Periods

1:27 PM - 2:57 PM
4:43 AM - 6:13 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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