Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

35.6°F

Measurement Time: Thursday, February 5, 2026, 2:00 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

36.9°F
Partly cloudy
Partly cloudy
32.3°F
36.4°F
65%
NNE 5.6 mph
9.8 mph
29.2°F
27.6°F
0 in
50%
9 mi
1019 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 46°F
L: 35°F
Moderate rain
Sun
H: 55°F
L: 30°F
Blowing snow
Mon
H: 25°F
L: 19°F
Moderate snow
Tue
H: 28°F
L: 8°F
Partly Cloudy
Wed
H: 55°F
L: 30°F

Air Quality

PM2.5: 3.65 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 178.85 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 11 hrs 53 mins
Moonrise: 5:03 AM
Moon Transit: 9:43 AM
Moonset: 2:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:13 AM - 11:43 AM

Minor Periods

2:01 PM - 3:31 PM
4:33 AM - 6:03 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Patchy rain nearby
45.5°F
35.2°F
40.4°F
68%
0.02 in
86%
0%
16.3 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.37 μg/m3
PM10: 3.94 μg/m3
Carbon Monoxide: 177.69 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 77.04 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 11 hrs 53 mins
Moonrise: 5:03 AM
Moon Transit: 9:43 AM
Moonset: 2:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:13 AM - 11:43 AM

Minor Periods

2:01 PM - 3:31 PM
4:33 AM - 6:03 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Moderate rain
54.6°F
30.2°F
48.2°F
94%
0.62 in
83%
6%
23 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.23 μg/m3
PM10: 5.56 μg/m3
Carbon Monoxide: 168.33 μg/m3
Nitrogen Dioxide: 4.41 μg/m3
Sulphur Dioxide: 4.27 μg/m3
Ozone: 87.8 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:00 AM
Sunset: 7:09 PM
Daylight: 11 hrs 56 mins
Moonrise: 5:35 AM
Moon Transit: 10:32 AM
Moonset: 3:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:02 AM - 12:32 AM

Minor Periods

3:08 PM - 4:38 PM
5:05 AM - 6:35 AM

Action Rating: 2 out of 5

Monday, March 16, 2026

Weather Forecast

Blowing snow
25.3°F
18.7°F
23.3°F
84%
1.63 in
79%
53%
28.9 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 2.74 μg/m3
PM10: 3.13 μg/m3
Carbon Monoxide: 170.57 μg/m3
Nitrogen Dioxide: 2.44 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:03 AM
Moon Transit: 11:20 AM
Moonset: 4:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:50 AM - 1:20 PM

Minor Periods

4:17 PM - 5:47 PM
5:33 AM - 7:03 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Moderate snow
27.6°F
7.7°F
17.7°F
72%
0.04 in
87%
11%
13.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.63 μg/m3
PM10: 2.99 μg/m3
Carbon Monoxide: 177.62 μg/m3
Nitrogen Dioxide: 2.51 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 90.62 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:00 AM
Sunset: 7:11 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:28 AM
Moon Transit: 12:06 AM
Moonset: 5:56 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:36 AM - 2:06 PM

Minor Periods

5:26 PM - 6:56 PM
5:58 AM - 7:28 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Partly Cloudy
55.2°F
29.9°F
39.6°F
74%
0 in
0%
5%
17.4 mph
2


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 7:12 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:52 AM
Moon Transit: 12:53 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:23 AM - 2:53 PM

Minor Periods

6:36 PM - 8:06 PM
6:22 AM - 7:52 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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