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

53.1°F
Clear
Clear
47.7°F
51.6°F
70%
S 19.2 mph
31 mph
46.5°F
44.1°F
0 in
0%
9 mi
1000 mbar
0

Five Day Weather Forecast

Moderate rain
Sun
H: 68°F
L: 32°F
Moderate or heavy snow showers
Mon
H: 27°F
L: 12°F
Cloudy
Tue
H: 35°F
L: 16°F
Partly Cloudy
Wed
H: 55°F
L: 32°F
Partly Cloudy
Thu
H: 61°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 3.45 μg/m3
PM10: 3.75 μg/m3
Carbon Monoxide: 143.85 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 102 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

Wind Advisory issued March 14 at 10:45AM CDT until March 16 at 12:00PM CDT by NWS St Louis MO

Effective: Sat March 14, 2026, 10:45 AM
Expires: Sun March 15, 2026, 1:45 AM

* WHAT...South winds shifting to west 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...From 10 AM Sunday to noon CDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Wind Advisory issued March 14 at 2:13PM CDT until March 16 at 7:00AM CDT by NWS Lincoln IL

Effective: Sat March 14, 2026, 2:13 PM
Expires: Sun March 15, 2026, 5:00 AM

* WHAT...South-southwest winds on Sunday shifting to the west-northwest behind a cold front Sunday night. Sustained winds of 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...From 10 AM Sunday to 7 AM CDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued March 14 at 8:07PM CDT until March 16 at 10:00AM CDT by NWS Quad Cities IA IL

Effective: Sat March 14, 2026, 8:07 PM
Expires: Sun March 15, 2026, 4:15 AM

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Hancock, Henderson, McDonough, and Warren Counties. * WHEN...From 1 PM Sunday to 10 AM CDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Sunday, March 15, 2026

Weather Forecast

Moderate rain
67.8°F
32.2°F
50.2°F
80%
0.36 in
89%
4%
25.5 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.24 μg/m3
PM10: 4.44 μg/m3
Carbon Monoxide: 165.41 μg/m3
Nitrogen Dioxide: 4.19 μg/m3
Sulphur Dioxide: 3.87 μg/m3
Ozone: 89.88 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

Moderate or heavy snow showers
26.5°F
12°F
23.3°F
66%
0.17 in
80%
9%
31.5 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.09 μg/m3
PM10: 3.71 μg/m3
Carbon Monoxide: 187.25 μg/m3
Nitrogen Dioxide: 2.57 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 86.28 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

Cloudy
35.2°F
15.6°F
25.4°F
44%
0 in
0%
0%
18.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.11 μg/m3
PM10: 3.52 μg/m3
Carbon Monoxide: 181.09 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 89.16 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
55.3°F
32.4°F
42.7°F
71%
0 in
0%
0%
19.7 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 7.61 μg/m3
PM10: 8.4 μg/m3
Carbon Monoxide: 190.56 μg/m3
Nitrogen Dioxide: 4.57 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 84.56 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

Thursday, March 19, 2026

Weather Forecast

Partly Cloudy
60.9°F
32.1°F
41.4°F
81%
0 in
0%
0%
6.9 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 13 μg/m3
PM10: 13.67 μg/m3
Carbon Monoxide: 243.6 μg/m3
Nitrogen Dioxide: 8.13 μg/m3
Sulphur Dioxide: 2.63 μg/m3
Ozone: 59.54 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 12 hrs 6 mins
Moonrise: 7:15 AM
Moon Transit: 12:31 AM
Moonset: 8:18 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
12:01 AM - 2:31 AM

Minor Periods

7:48 PM - 9:18 PM
6:45 AM - 8:15 AM

Action Rating: 4 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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