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

71.8°F
Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
76.3°F
75°F
69%
WNW 13.9 mph
29.6 mph
70.7°F
68.8°F
0 in
75%
9 mi
1005 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 84°F
L: 59°F
Heavy rain
Wed
H: 53°F
L: 35°F
Partly Cloudy
Thu
H: 51°F
L: 30°F
Sunny
Fri
H: 54°F
L: 42°F
Sunny
Sat
H: 72°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 8.75 μg/m3
PM10: 8.85 μg/m3
Carbon Monoxide: 127.85 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:00 AM
Sunset: 7:04 PM
Daylight: 11 hrs 43 mins
Moonrise: 1:50 AM
Moon Transit: 6:18 AM
Moonset: 10:44 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
6:09 PM - 8:39 PM

Minor Periods

10:14 AM - 11:44 AM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Tornado Watch issued March 10 at 3:57PM CDT until March 10 at 11:00PM CDT by NWS Lincoln IL

Effective: Tue March 10, 2026, 3:57 PM
Expires: Tue March 10, 2026, 11:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 32 IN EFFECT UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL ILLINOIS MARSHALL MASON MCLEAN PEORIA STARK TAZEWELL WOODFORD IN WEST CENTRAL ILLINOIS FULTON KNOX SCHUYLER THIS INCLUDES THE CITIES OF BLOOMINGTON, CANTON, EUREKA, GALESBURG, HAVANA, LACON, NORMAL, PEKIN, PEORIA, RUSHVILLE, AND TOULON.


Tornado Watch issued March 10 at 5:40PM CDT until March 10 at 11:00PM CDT by NWS Quad Cities IA IL

Effective: Tue March 10, 2026, 5:40 PM
Expires: Tue March 10, 2026, 11:00 PM

TORNADO WATCH 32 REMAINS VALID UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 8 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS HENRY IL MERCER IN WEST CENTRAL ILLINOIS HANCOCK HENDERSON MCDONOUGH WARREN IN IOWA THIS WATCH INCLUDES 6 COUNTIES IN SOUTHEAST IOWA DES MOINES HENRY IA JEFFERSON LEE LOUISA VAN BUREN IN MISSOURI THIS WATCH INCLUDES 2 COUNTIES IN NORTHEAST MISSOURI CLARK SCOTLAND THIS INCLUDES THE CITIES OF ALEDO, BURLINGTON, CARTHAGE, FAIRFIELD, GENESEO, HENNEPIN, KAHOKA, KEOKUK, KEOSAUQUA, MACOMB, MEMPHIS, MONMOUTH, MOUNT PLEASANT, OQUAWKA, PRINCETON, AND WAPELLO.


Tornado Watch issued March 10 at 5:58PM CDT until March 11 at 12:00AM CDT by NWS St Louis MO

Effective: Tue March 10, 2026, 5:58 PM
Expires: Wed March 11, 2026, 12:00 AM

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 36 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 1 COUNTY IN WEST CENTRAL ILLINOIS ADAMS IN MISSOURI THIS WATCH INCLUDES 5 COUNTIES IN NORTHEAST MISSOURI KNOX LEWIS MARION MONROE SHELBY THIS INCLUDES THE CITIES OF HANNIBAL AND QUINCY.


Tuesday, March 10, 2026

Weather Forecast

Sunny
84.2°F
59.2°F
69.5°F
83%
0 in
0%
0%
19.2 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 8.02 μg/m3
PM10: 8.19 μg/m3
Carbon Monoxide: 160.01 μg/m3
Nitrogen Dioxide: 3.72 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:00 AM
Sunset: 7:04 PM
Daylight: 11 hrs 43 mins
Moonrise: 1:50 AM
Moon Transit: 6:18 AM
Moonset: 10:44 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
6:09 PM - 8:39 PM

Minor Periods

10:14 AM - 11:44 AM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Heavy rain
52.5°F
35.4°F
47.2°F
84%
1.91 in
89%
0%
22.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.03 μg/m3
PM10: 6.22 μg/m3
Carbon Monoxide: 155.49 μg/m3
Nitrogen Dioxide: 3.37 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 67.36 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:00 AM
Sunset: 7:05 PM
Daylight: 11 hrs 45 mins
Moonrise: 2:48 AM
Moon Transit: 7:09 AM
Moonset: 11:30 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
7:01 PM - 9:31 PM

Minor Periods

11:00 AM - 12:30 AM
2:18 AM - 3:48 AM

Action Rating: 3 out of 5

Thursday, March 12, 2026

Weather Forecast

Partly Cloudy
51.4°F
30.2°F
40.7°F
66%
0 in
0%
0%
22.8 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.27 μg/m3
PM10: 3.95 μg/m3
Carbon Monoxide: 163.97 μg/m3
Nitrogen Dioxide: 3.16 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 79.52 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:00 AM
Sunset: 7:06 PM
Daylight: 11 hrs 48 mins
Moonrise: 3:40 AM
Moon Transit: 8:01 AM
Moonset: 12:25 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
7:53 PM - 10:23 PM

Minor Periods

11:55 AM - 1:25 PM
3:10 AM - 4:40 AM

Action Rating: 3 out of 5

Friday, March 13, 2026

Weather Forecast

Sunny
54.1°F
41.5°F
48.8°F
47%
0 in
0%
0%
27.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.68 μg/m3
PM10: 2.93 μg/m3
Carbon Monoxide: 154.37 μg/m3
Nitrogen Dioxide: 3.19 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 89.88 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:00 AM
Sunset: 7:07 PM
Daylight: 11 hrs 51 mins
Moonrise: 4:26 AM
Moon Transit: 8:53 AM
Moonset: 1:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:23 AM - 10:53 AM
8:44 PM - 11:14 PM

Minor Periods

12:55 AM - 2:25 PM
3:56 AM - 5:26 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Sunny
72°F
38°F
48.2°F
58%
0 in
0%
0%
19 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.98 μg/m3
PM10: 4.29 μg/m3
Carbon Monoxide: 180.72 μg/m3
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 70.38 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

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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