Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

36.0°F

Measurement Time: Friday, January 30, 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

3°F
Partly cloudy
Partly cloudy
-12.6°F
3.4°F
73%
NNW 10.5 mph
17.3 mph
-9.2°F
-6°F
0 in
50%
9 mi
1034 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 25°F
L: 1°F
Cloudy
Sun
H: 27°F
L: 3°F
Overcast
Mon
H: 32°F
L: 16°F
Moderate or heavy snow showers
Tue
H: 34°F
L: 19°F
Mist
Wed
H: 32°F
L: 16°F

Air Quality

AQI: 1 - Good
PM2.5: 5.75 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 184.85 μg/m3
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:15 AM
Sunset: 5:20 PM
Daylight: 10 hrs 9 mins
Moonrise: 3:58 PM
Moon Transit: 11:41 PM
Moonset: 6:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

10:38 AM - 1:08 PM
12:00 AM - 12:00 AM

Minor Periods

3:28 PM - 4:58 PM
6:03 AM - 7:33 AM

Action Rating: 4 out of 5

Saturday, January 31, 2026

Weather Forecast

Sunny
25.3°F
1.2°F
11.8°F
68%
0 in
0%
0%
12.5 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5 μg/m3
PM10: 5.35 μg/m3
Carbon Monoxide: 177.97 μg/m3
Nitrogen Dioxide: 4.31 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 69.6 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:15 AM
Sunset: 5:20 PM
Daylight: 10 hrs 9 mins
Moonrise: 3:58 PM
Moon Transit: 11:41 PM
Moonset: 6:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

10:38 AM - 1:08 PM
12:00 AM - 12:00 AM

Minor Periods

3:28 PM - 4:58 PM
6:03 AM - 7:33 AM

Action Rating: 4 out of 5

Sunday, February 1, 2026

Weather Forecast

Cloudy
26.8°F
2.8°F
15.7°F
81%
0 in
0%
0%
13 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.83 μg/m3
PM10: 9.24 μg/m3
Carbon Monoxide: 199.21 μg/m3
Nitrogen Dioxide: 7.87 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 61.44 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:15 AM
Sunset: 5:21 PM
Daylight: 10 hrs 11 mins
Moonrise: 5:15 PM
Moon Transit: 12:00 AM
Moonset: 7:13 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:45 PM - 6:15 PM
6:43 AM - 8:13 AM

Action Rating: 4 out of 5

Monday, February 2, 2026

Weather Forecast

Overcast
31.8°F
15.6°F
25°F
91%
0 in
0%
0%
9.2 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 9.57 μg/m3
Carbon Monoxide: 193.77 μg/m3
Nitrogen Dioxide: 6.93 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 68.48 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:15 AM
Sunset: 5:23 PM
Daylight: 10 hrs 13 mins
Moonrise: 6:29 PM
Moon Transit: 12:36 AM
Moonset: 7:44 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 AM
12:27 AM - 2:57 PM

Minor Periods

5:59 PM - 7:29 PM
7:14 AM - 8:44 AM

Action Rating: 4 out of 5

Tuesday, February 3, 2026

Weather Forecast

Moderate or heavy snow showers
33.8°F
18.8°F
27.1°F
93%
0.19 in
82%
21%
9.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.95 μg/m3
PM10: 8.12 μg/m3
Carbon Monoxide: 189.96 μg/m3
Nitrogen Dioxide: 10.81 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 60.84 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:15 AM
Sunset: 5:24 PM
Daylight: 10 hrs 15 mins
Moonrise: 7:39 PM
Moon Transit: 1:26 AM
Moonset: 8:11 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

12:56 AM - 3:26 AM
1:15 PM - 3:45 PM

Minor Periods

7:09 PM - 8:39 PM
7:41 AM - 9:11 AM

Action Rating: 3 out of 5

Wednesday, February 4, 2026

Weather Forecast

Mist
31.6°F
15.5°F
23.4°F
91%
0 in
0%
15%
10.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.09 μg/m3
PM10: 7.23 μg/m3
Carbon Monoxide: 249.63 μg/m3
Nitrogen Dioxide: 14.56 μg/m3
Sulphur Dioxide: 4.49 μg/m3
Ozone: 52.08 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:16 AM
Sunset: 5:25 PM
Daylight: 10 hrs 18 mins
Moonrise: 8:46 PM
Moon Transit: 2:12 AM
Moonset: 8:34 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

1:42 AM - 4:12 AM
1:59 PM - 4:29 PM

Minor Periods

8:16 PM - 9:46 PM
8:04 AM - 9:34 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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