Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

36.0°F

Measurement Time: Thursday, January 29, 2026, 8:00 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

1°F
Clear
Clear
-10.2°F
1.6°F
84%
N 5.6 mph
10.4 mph
-6.5°F
-8.1°F
0 in
0%
9 mi
1028 mbar
0

Five Day Weather Forecast

Partly Cloudy
Fri
H: 19°F
L: -1°F
Sunny
Sat
H: 27°F
L: 8°F
Overcast
Sun
H: 29°F
L: 3°F
Sunny
Mon
H: 38°F
L: 18°F
Patchy moderate snow
Tue
H: 33°F
L: 21°F

Air Quality

AQI: 1 - Good
PM2.5: 13.35 μg/m3
PM10: 14.05 μg/m3
Carbon Monoxide: 235.85 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:15 AM
Sunset: 5:19 PM
Daylight: 10 hrs 7 mins
Moonrise: 2:42 PM
Moon Transit: 10:42 PM
Moonset: 5:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:12 PM - 3:42 PM
5:13 AM - 6:43 AM

Action Rating: 3 out of 5

Friday, January 30, 2026

Weather Forecast

Partly Cloudy
18.9°F
-1.3°F
8.7°F
64%
0 in
0%
0%
15.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 9.97 μg/m3
PM10: 10.5 μg/m3
Carbon Monoxide: 219.81 μg/m3
Nitrogen Dioxide: 7.19 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 60.36 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:15 AM
Sunset: 5:19 PM
Daylight: 10 hrs 7 mins
Moonrise: 2:42 PM
Moon Transit: 10:42 PM
Moonset: 5:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:12 PM - 3:42 PM
5:13 AM - 6:43 AM

Action Rating: 3 out of 5

Saturday, January 31, 2026

Weather Forecast

Sunny
27.1°F
7.5°F
14.2°F
68%
0 in
0%
0%
13.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.88 μg/m3
PM10: 5.25 μg/m3
Carbon Monoxide: 176.01 μg/m3
Nitrogen Dioxide: 4.41 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 68.12 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

Overcast
28.6°F
3.4°F
16°F
81%
0 in
0%
0%
13 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 9.27 μg/m3
PM10: 9.77 μg/m3
Carbon Monoxide: 202.93 μg/m3
Nitrogen Dioxide: 7.76 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 60.76 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

Sunny
38.4°F
18.3°F
25.9°F
84%
0 in
0%
0%
9.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 8.27 μg/m3
PM10: 8.53 μg/m3
Carbon Monoxide: 205.83 μg/m3
Nitrogen Dioxide: 5.97 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 65.32 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

Patchy moderate snow
33.3°F
21.2°F
25.2°F
88%
0.03 in
65%
21%
12.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.28 μg/m3
PM10: 7.3 μg/m3
Carbon Monoxide: 258.12 μg/m3
Nitrogen Dioxide: 11.49 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 49.46 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

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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