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

69.3°F
Sunny
Sunny
69.3°F
63.1°F
50%
SW 5.6 mph
9.4 mph
62.8°F
50.9°F
0 in
0%
9 mi
1004 mbar
1.1

Five Day Weather Forecast

Sunny
Sun
H: 80°F
L: 42°F
Cloudy
Mon
H: 51°F
L: 33°F
Overcast
Tue
H: 61°F
L: 36°F
Moderate rain
Wed
H: 62°F
L: 45°F
Patchy rain nearby
Thu
H: 78°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 9.85 μg/m3
PM10: 10.05 μg/m3
Carbon Monoxide: 208.85 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 12 hrs 14 mins
Moonrise: 8:43 AM
Moon Transit: 4:19 PM
Moonset: 12:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

3:15 AM - 5:45 AM
3:49 PM - 6:19 PM

Minor Periods

12:00 AM - 12:00 AM
8:13 AM - 9:43 AM

Action Rating: 2 out of 5

Sunday, March 22, 2026

Weather Forecast

Sunny
79.7°F
41.5°F
60.7°F
62%
0 in
0%
0%
20.4 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 9.38 μg/m3
PM10: 9.56 μg/m3
Carbon Monoxide: 204.65 μg/m3
Nitrogen Dioxide: 5.43 μg/m3
Sulphur Dioxide: 3.19 μg/m3
Ozone: 80.16 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 12 hrs 14 mins
Moonrise: 8:43 AM
Moon Transit: 4:19 PM
Moonset: 12:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

3:15 AM - 5:45 AM
3:49 PM - 6:19 PM

Minor Periods

12:00 AM - 12:00 AM
8:13 AM - 9:43 AM

Action Rating: 2 out of 5

Monday, March 23, 2026

Weather Forecast

Cloudy
51.3°F
33.4°F
42.3°F
64%
0 in
0%
0%
13 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.98 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 183.45 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 80.76 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:08 PM
Sunset: 7:17 PM
Daylight: 12 hrs 17 mins
Moonrise: 9:24 AM
Moon Transit: 5:19 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
4:49 PM - 7:19 PM

Minor Periods

8:54 AM - 10:24 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, March 24, 2026

Weather Forecast

Overcast
61.3°F
36.3°F
48.5°F
58%
0 in
0%
0%
13.6 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 5.37 μg/m3
PM10: 5.77 μg/m3
Carbon Monoxide: 188.69 μg/m3
Nitrogen Dioxide: 5.62 μg/m3
Sulphur Dioxide: 3.96 μg/m3
Ozone: 72.48 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:08 PM
Sunset: 7:18 PM
Daylight: 12 hrs 19 mins
Moonrise: 10:17 AM
Moon Transit: 6:22 PM
Moonset: 1:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

5:16 AM - 7:46 AM
5:52 PM - 8:22 PM

Minor Periods

9:47 AM - 11:17 AM
12:52 AM - 2:22 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Moderate rain
61.8°F
44.5°F
52.8°F
76%
0.22 in
77%
0%
15 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 8.51 μg/m3
PM10: 8.85 μg/m3
Carbon Monoxide: 188.22 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 4.66 μg/m3
Ozone: 76.12 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:08 PM
Sunset: 7:19 PM
Daylight: 12 hrs 22 mins
Moonrise: 11:19 AM
Moon Transit: 7:24 PM
Moonset: 2:30 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

6:19 AM - 8:49 AM
6:54 PM - 9:24 PM

Minor Periods

10:49 AM - 12:19 AM
2:00 AM - 3:30 AM

Action Rating: 3 out of 5

Thursday, March 26, 2026

Weather Forecast

Patchy rain nearby
78.3°F
54.6°F
63.6°F
80%
0.05 in
81%
0%
20.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.59 μg/m3
PM10: 8.78 μg/m3
Carbon Monoxide: 204.89 μg/m3
Nitrogen Dioxide: 5.37 μg/m3
Sulphur Dioxide: 3.37 μg/m3
Ozone: 88.46 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:07 PM
Sunset: 7:20 PM
Daylight: 12 hrs 24 mins
Moonrise: 12:30 AM
Moon Transit: 8:24 PM
Moonset: 3:25 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
7:54 PM - 10:24 PM

Minor Periods

12:00 AM - 1:30 PM
2:55 AM - 4:25 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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