Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

83.6°F

Measurement Time: Monday, September 21, 2026, 4:00 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

61°F
Slight Chance Drizzle
Slight Chance Drizzle
87%
E 9 mph
57°F

Weather Forecast

Slight Chance Drizzle then Mostly Cloudy
Today
68°F - Slight Chance Drizzle then Mostly Cloudy
Mostly Cloudy
Tonight
53°F - Mostly Cloudy
Mostly Sunny
Wednesday
73°F - Mostly Sunny
Partly Cloudy
Wednesday Night
55°F - Partly Cloudy
Partly Sunny
Thursday
72°F - Partly Sunny
Partly Cloudy
Thursday Night
56°F - Partly Cloudy
Partly Sunny
Friday
74°F - Partly Sunny
Mostly Cloudy
Friday Night
53°F - Mostly Cloudy
Mostly Cloudy then Slight Chance Rain Showers
Saturday
72°F - Mostly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Saturday Night
55°F - Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Sunday
78°F - Slight Chance Showers And Thunderstorms
Partly Cloudy
Sunday Night
58°F - Partly Cloudy
Mostly Sunny
Monday
82°F - Mostly Sunny
Slight Chance Rain Showers
Monday Night
62°F - Slight Chance Rain Showers

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:54 AM
Sunset: 6:59 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:08 PM
Moon Transit: 10:14 PM
Moonset: 2:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:38 PM - 6:08 PM
1:55 AM - 3:25 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:54 AM
Sunset: 6:59 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:08 PM
Moon Transit: 10:14 PM
Moonset: 2:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:38 PM - 6:08 PM
1:55 AM - 3:25 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:54 AM
Sunset: 6:59 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:08 PM
Moon Transit: 10:14 PM
Moonset: 2:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:38 PM - 6:08 PM
1:55 AM - 3:25 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:54 AM
Sunset: 6:57 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:33 PM
Moon Transit: 11:00 PM
Moonset: 3:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

10:02 AM - 12:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:03 PM - 6:33 PM
2:59 AM - 4:29 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:54 AM
Sunset: 6:57 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:33 PM
Moon Transit: 11:00 PM
Moonset: 3:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

10:02 AM - 12:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:03 PM - 6:33 PM
2:59 AM - 4:29 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:54 AM
Sunset: 6:56 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:57 PM
Moon Transit: 11:43 PM
Moonset: 4:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

10:47 AM - 1:17 PM
12:00 AM - 12:00 AM

Minor Periods

5:27 PM - 6:57 PM
4:05 AM - 5:35 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:54 AM
Sunset: 6:56 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:57 PM
Moon Transit: 11:43 PM
Moonset: 4:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

10:47 AM - 1:17 PM
12:00 AM - 12:00 AM

Minor Periods

5:27 PM - 6:57 PM
4:05 AM - 5:35 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:53 AM
Sunset: 6:54 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:19 PM
Moon Transit: 12:00 AM
Moonset: 5:41 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:49 PM - 7:19 PM
5:11 AM - 6:41 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:53 AM
Sunset: 6:54 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:19 PM
Moon Transit: 12:00 AM
Moonset: 5:41 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:49 PM - 7:19 PM
5:11 AM - 6:41 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:42 PM
Moon Transit: 7:33 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
7:03 AM - 9:33 AM

Minor Periods

6:12 PM - 7:42 PM
6:18 AM - 7:48 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:42 PM
Moon Transit: 7:33 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
7:03 AM - 9:33 AM

Minor Periods

6:12 PM - 7:42 PM
6:18 AM - 7:48 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:53 AM
Sunset: 6:51 PM
Daylight: 11 hrs 56 mins
Moonrise: 7:07 PM
Moon Transit: 1:13 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
1:03 PM - 3:33 PM

Minor Periods

6:37 PM - 8:07 PM
7:27 AM - 8:57 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:53 AM
Sunset: 6:51 PM
Daylight: 11 hrs 56 mins
Moonrise: 7:07 PM
Moon Transit: 1:13 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
1:03 PM - 3:33 PM

Minor Periods

6:37 PM - 8:07 PM
7:27 AM - 8:57 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:52 AM
Sunset: 6:49 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:36 PM
Moon Transit: 2:02 AM
Moonset: 9:10 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
1:53 PM - 4:23 PM

Minor Periods

7:06 PM - 8:36 PM
8:40 AM - 10:10 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:52 AM
Sunset: 6:49 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:36 PM
Moon Transit: 2:02 AM
Moonset: 9:10 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
1:53 PM - 4:23 PM

Minor Periods

7:06 PM - 8:36 PM
8:40 AM - 10:10 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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