Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

77.1°F

Measurement Time: Monday, June 8, 2026, 10:00 AM CDT

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

58.1°F
Clear
Clear
57.1°F
63°F
87%
SW 6.5 mph
13.6 mph
63°F
44.9°F
0 in
0%
9 mi
1008 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 80°F
L: 57°F
Moderate rain
Wed
H: 85°F
L: 57°F
Patchy rain nearby
Thu
H: 73°F
L: 57°F
Sunny
Fri
H: 76°F
L: 56°F
Sunny
Sat
H: 80°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 4.6 μg/m3
Carbon Monoxide: 121 μg/m3
Nitrogen Dioxide: 14.8 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:02 PM
Sunset: 8:33 PM
Daylight: 15 hrs 1 mins
Moonrise: 6:53 AM
Moon Transit: 2:49 PM
Moonset: 10:37 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:19 PM - 4:49 PM

Minor Periods

10:07 PM - 11:37 PM
6:23 AM - 7:53 AM

Action Rating: 3 out of 5

Flood Warning issued June 16 at 9:02AM CDT by NWS Lincoln IL

Effective: Tue June 16, 2026, 9:02 AM
Expires: Wed June 17, 2026, 1:15 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Tazewell, Woodford and Peoria Counties. Illinois River at Beardstown affecting Schuyler, Brown, Cass and Morgan Counties. Illinois River near Havana affecting Fulton, Cass and Mason 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 8:45 AM CDT Tuesday the stage was 16.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 AM CDT Tuesday was 16.8 feet. - Forecast...The river is expected to rise to a crest of 17.5 feet early Friday morning. - 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. Additional information is available at www.weather.gov.


Flood Warning issued June 16 at 10:10PM CDT by NWS Lincoln IL

Effective: Tue June 16, 2026, 10:10 PM
Expires: Wed June 17, 2026, 2:15 PM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Peoria, Tazewell and Woodford Counties. Illinois River at Beardstown affecting Schuyler, Cass, Brown and Morgan Counties. Illinois River near Havana affecting Mason, Cass and Fulton 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 PM CDT Tuesday the stage was 17.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 PM CDT Tuesday was 17.0 feet. - Forecast...The river is expected to rise to 17.7 feet early Sunday morning. Additional rises are possible thereafter. - 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. Additional information is available at www.weather.gov.


Hydrologic Outlook issued June 16 at 9:35PM CDT by NWS Lincoln IL

Effective: Tue June 16, 2026, 9:35 PM
Expires: Wed June 17, 2026, 5:45 AM

ESFILX This hydrologic outlook includes the following river in Illinois: Spoon River... The following river information is based on future predicted rainfall. The exact amount, intensity, timing, and location of the rain that will occur is still uncertain. These outlook stages are provided to show what may be expected if the forecast precipitation occurs. Once there is more certainty about the river forecasts, a flood warning or statement will be issued if the threat materializes.


Flood Warning issued June 15 at 9:17PM CDT by NWS St Louis MO

Effective: Mon June 15, 2026, 9:17 PM
Expires: Wed June 17, 2026, 9:30 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Valley City. * WHEN...From Thursday afternoon until further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 12.8 feet. - Forecast...The river is expected to rise above flood stage early Thursday afternoon and continue rising to a crest of 14.4 feet Saturday morning. - Flood stage is 14.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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


Flood Warning issued June 16 at 10:16AM CDT by NWS St Louis MO

Effective: Tue June 16, 2026, 10:16 AM
Expires: Wed June 17, 2026, 10:30 PM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Valley City. * WHEN...From Friday morning until further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 13.1 feet. - Forecast...The river is expected to rise above flood stage Friday morning and continue rising to 14.1 feet Friday evening. Additional rises are possible thereafter. - Flood stage is 14.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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


Tuesday, June 16, 2026

Weather Forecast

Sunny
80.4°F
57.4°F
68.2°F
60%
0 in
17%
0%
16.3 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 2.16 μg/m3
PM10: 2.68 μg/m3
Carbon Monoxide: 112.96 μg/m3
Nitrogen Dioxide: 4.33 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 82.33 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:02 PM
Sunset: 8:33 PM
Daylight: 15 hrs 1 mins
Moonrise: 6:53 AM
Moon Transit: 2:49 PM
Moonset: 10:37 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:19 PM - 4:49 PM

Minor Periods

10:07 PM - 11:37 PM
6:23 AM - 7:53 AM

Action Rating: 3 out of 5

Wednesday, June 17, 2026

Weather Forecast

Moderate rain
84.5°F
56.8°F
70.4°F
70%
0.42 in
69%
0%
25.9 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 3.63 μg/m3
PM10: 4.08 μg/m3
Carbon Monoxide: 127.71 μg/m3
Nitrogen Dioxide: 8.71 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 66.13 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs 1 mins
Moonrise: 8:12 AM
Moon Transit: 3:50 PM
Moonset: 11:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:42 AM - 9:12 AM

Action Rating: 3 out of 5

Thursday, June 18, 2026

Weather Forecast

Patchy rain nearby
73.3°F
56.9°F
65.7°F
77%
0.01 in
22%
0%
17.9 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 2.24 μg/m3
PM10: 2.43 μg/m3
Carbon Monoxide: 110.75 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 67.08 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs 1 mins
Moonrise: 9:29 AM
Moon Transit: 4:45 PM
Moonset: 12:16 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
4:15 PM - 6:45 PM

Minor Periods

8:59 AM - 10:29 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
76.1°F
56.4°F
66.1°F
75%
0 in
9%
0%
6.5 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.39 μg/m3
Carbon Monoxide: 119 μg/m3
Nitrogen Dioxide: 9 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 59.88 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs 1 mins
Moonrise: 10:44 AM
Moon Transit: 5:34 PM
Moonset: 12:47 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

4:36 AM - 7:06 AM
5:04 PM - 7:34 PM

Minor Periods

10:14 AM - 11:44 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
79.8°F
60.8°F
70.7°F
72%
0 in
17%
0%
11 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 3.41 μg/m3
PM10: 3.56 μg/m3
Carbon Monoxide: 133.99 μg/m3
Nitrogen Dioxide: 6.13 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 76.75 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs 1 mins
Moonrise: 11:53 AM
Moon Transit: 6:20 PM
Moonset: 12:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
5:50 PM - 8:20 PM

Minor Periods

11:23 AM - 12:53 AM
12:00 AM - 12:00 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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