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

56.5°F
Sunny
Sunny
54.4°F
59.5°F
96%
S 8.7 mph
16.7 mph
58.8°F
53.8°F
0 in
0%
9 mi
1012 mbar
0.2

Five Day Weather Forecast

Sunny
Thu
H: 86°F
L: 56°F
Moderate rain
Fri
H: 73°F
L: 55°F
Sunny
Sat
H: 69°F
L: 49°F
Sunny
Sun
H: 68°F
L: 50°F
Heavy rain
Mon
H: 66°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 5.45 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 163.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 117 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:00 PM
Sunset: 7:49 PM
Daylight: 13 hrs 36 mins
Moonrise: 11:33 AM
Moon Transit: 7:16 PM
Moonset: 2:09 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
6:46 PM - 9:16 PM

Minor Periods

11:03 AM - 12:33 AM
1:39 AM - 3:09 AM

Action Rating: 3 out of 5

Flood Warning issued April 22 at 10:29AM CDT by NWS Lincoln IL

Effective: Wed April 22, 2026, 10:29 AM
Expires: Thu April 23, 2026, 2:30 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Mason and Cass Counties. Illinois River at Beardstown affecting Schuyler, Brown, Morgan and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 9:45 AM CDT Wednesday the stage was 16.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Wednesday was 16.7 feet. - Forecast...The river is expected to rise to a crest of 16.7 feet tomorrow evening. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Caution is urged when walking near riverbanks. Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.


Flood Warning issued April 22 at 8:38PM CDT by NWS Lincoln IL

Effective: Wed April 22, 2026, 8:38 PM
Expires: Thu April 23, 2026, 12:45 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Mason, Cass and Fulton Counties. Illinois River at Beardstown affecting Brown, Morgan, Cass and Schuyler Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 7:45 PM CDT Wednesday the stage was 16.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Wednesday was 16.7 feet. - Forecast...The river is expected to fall to 15.4 feet Wednesday, April 29. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov.


Flood Warning issued April 22 at 10:29AM CDT by NWS Lincoln IL

Effective: Wed April 22, 2026, 10:29 AM
Expires: Thu April 23, 2026, 2:30 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Mason and Cass Counties. Illinois River at Beardstown affecting Schuyler, Brown, Morgan and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:45 AM CDT Wednesday the stage was 16.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Wednesday was 16.5 feet. - Forecast...The river is expected to rise to a crest of 16.6 feet Friday morning. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Caution is urged when walking near riverbanks. Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.


Flood Warning issued April 22 at 8:38PM CDT by NWS Lincoln IL

Effective: Wed April 22, 2026, 8:38 PM
Expires: Thu April 23, 2026, 12:45 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Mason, Cass and Fulton Counties. Illinois River at Beardstown affecting Brown, Morgan, Cass and Schuyler Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 7:45 PM CDT Wednesday the stage was 16.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Wednesday was 16.6 feet. - Forecast...The river is expected to rise to a crest of 16.6 feet just after midnight tonight. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov.


Flood Warning issued April 22 at 11:02AM CDT by NWS St Louis MO

Effective: Wed April 22, 2026, 11:02 AM
Expires: Thu April 23, 2026, 11:15 PM

...The Flood Warning continues for the Mississippi River at the following locations... Mississippi River at Chester. Mississippi River at Grafton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Canton. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...Until further notice. * IMPACTS...At 19.0 feet, The Corps of Engineers begins flood fight procedures. At this level, preparations are made to install two flood gates at Hill Street and Center Street if the forecast exceeds 20.5 feet. * ADDITIONAL DETAILS... - At 10:15 AM CDT Wednesday the stage was 19.2 feet. - Forecast...The river is expected to rise to a crest of 19.2 feet this afternoon. - Flood stage is 17.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Thursday, April 23, 2026

Weather Forecast

Sunny
85.8°F
55.9°F
68.9°F
69%
0 in
0%
0%
18.1 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 4.95 μg/m3
PM10: 5.46 μg/m3
Carbon Monoxide: 174.93 μg/m3
Nitrogen Dioxide: 6.71 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:00 PM
Sunset: 7:49 PM
Daylight: 13 hrs 36 mins
Moonrise: 11:33 AM
Moon Transit: 7:16 PM
Moonset: 2:09 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
6:46 PM - 9:16 PM

Minor Periods

11:03 AM - 12:33 AM
1:39 AM - 3:09 AM

Action Rating: 3 out of 5

Friday, April 24, 2026

Weather Forecast

Moderate rain
72.9°F
55.3°F
65.4°F
75%
0.47 in
89%
0%
18.8 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 3.39 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 155.73 μg/m3
Nitrogen Dioxide: 3.17 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 88.84 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:00 PM
Sunset: 7:50 PM
Daylight: 13 hrs 38 mins
Moonrise: 12:47 AM
Moon Transit: 8:08 PM
Moonset: 2:47 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
7:38 PM - 10:08 PM

Minor Periods

12:17 AM - 1:47 PM
2:17 AM - 3:47 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Sunny
68.5°F
48.7°F
58.1°F
61%
0 in
0%
0%
11.4 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 3.1 μg/m3
PM10: 3.53 μg/m3
Carbon Monoxide: 173.09 μg/m3
Nitrogen Dioxide: 4.61 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 79.64 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:00 PM
Sunset: 7:51 PM
Daylight: 13 hrs 41 mins
Moonrise: 1:58 PM
Moon Transit: 8:56 PM
Moonset: 3:18 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
8:26 PM - 10:56 PM

Minor Periods

1:28 PM - 2:58 PM
2:48 AM - 4:18 AM

Action Rating: 2 out of 5

Sunday, April 26, 2026

Weather Forecast

Sunny
68.2°F
49.5°F
60.2°F
63%
0 in
0%
0%
15.4 mph
5.5


Air Quality

AQI: 1 - Good
PM2.5: 4.32 μg/m3
PM10: 4.69 μg/m3
Carbon Monoxide: 172.02 μg/m3
Nitrogen Dioxide: 5.7 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 86.72 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:00 PM
Sunset: 7:52 PM
Daylight: 13 hrs 43 mins
Moonrise: 3:05 PM
Moon Transit: 9:41 PM
Moonset: 3:43 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

8:45 AM - 11:15 AM
9:11 PM - 11:41 PM

Minor Periods

2:35 PM - 4:05 PM
3:13 AM - 4:43 AM

Action Rating: 2 out of 5

Monday, April 27, 2026

Weather Forecast

Heavy rain
66.4°F
58.3°F
62.2°F
86%
0.81 in
70%
0%
20.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 5.24 μg/m3
PM10: 5.94 μg/m3
Carbon Monoxide: 167.11 μg/m3
Nitrogen Dioxide: 3.97 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 97.46 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:00 PM
Sunset: 7:53 PM
Daylight: 13 hrs 45 mins
Moonrise: 4:10 PM
Moon Transit: 10:23 PM
Moonset: 4:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

9:28 AM - 11:58 AM
12:00 AM - 12:00 AM

Minor Periods

3:40 PM - 5:10 PM
3:36 AM - 5:06 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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