Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

83.6°F

Measurement Time: Monday, August 31, 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

78°F
Clear
Clear
71%
SW 7 mph
68°F

Weather Forecast

Mostly Clear
Overnight
74°F - Mostly Clear
Sunny
Tuesday
99°F - Sunny
Mostly Clear
Tuesday Night
77°F - Mostly Clear
Sunny
Wednesday
99°F - Sunny
Mostly Clear
Wednesday Night
77°F - Mostly Clear
Sunny
Thursday
98°F - Sunny
Mostly Clear
Thursday Night
77°F - Mostly Clear
Sunny
Friday
97°F - Sunny
Mostly Clear
Friday Night
74°F - Mostly Clear
Mostly Sunny
Saturday
97°F - Mostly Sunny
Chance Showers And Thunderstorms
Saturday Night
71°F - Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Sunday
93°F - Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Partly Cloudy
Sunday Night
68°F - Slight Chance Showers And Thunderstorms then Partly Cloudy
Mostly Sunny
Labor Day
89°F - Mostly Sunny

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:02 PM
Sunset: 7:33 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:34 PM
Moon Transit: 4:07 AM
Moonset: 11:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
3:58 PM - 6:28 PM

Minor Periods

9:04 PM - 10:34 PM
10:53 AM - 12:23 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: 6:30 AM
Sun Transit: 1:02 PM
Sunset: 7:33 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:34 PM
Moon Transit: 4:07 AM
Moonset: 11:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
3:58 PM - 6:28 PM

Minor Periods

9:04 PM - 10:34 PM
10:53 AM - 12:23 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: 6:30 AM
Sun Transit: 1:02 PM
Sunset: 7:33 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:34 PM
Moon Transit: 4:07 AM
Moonset: 11:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
3:58 PM - 6:28 PM

Minor Periods

9:04 PM - 10:34 PM
10:53 AM - 12:23 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: 6:30 AM
Sun Transit: 1:02 PM
Sunset: 7:33 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:34 PM
Moon Transit: 4:07 AM
Moonset: 11:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
3:58 PM - 6:28 PM

Minor Periods

9:04 PM - 10:34 PM
10:53 AM - 12:23 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: 6:31 AM
Sun Transit: 1:01 PM
Sunset: 7:32 PM
Daylight: 13 hrs mins
Moonrise: 10:11 PM
Moon Transit: 5:00 AM
Moonset: 12:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
4:52 PM - 7:22 PM

Minor Periods

9:41 PM - 11:11 PM
12:07 AM - 1:37 PM

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: 6:31 AM
Sun Transit: 1:01 PM
Sunset: 7:32 PM
Daylight: 13 hrs mins
Moonrise: 10:11 PM
Moon Transit: 5:00 AM
Moonset: 12:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
4:52 PM - 7:22 PM

Minor Periods

9:41 PM - 11:11 PM
12:07 AM - 1:37 PM

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: 6:32 AM
Sun Transit: 1:01 PM
Sunset: 7:30 PM
Daylight: 12 hrs 58 mins
Moonrise: 10:57 PM
Moon Transit: 5:55 AM
Moonset: 1:51 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
5:51 PM - 8:21 PM

Minor Periods

10:27 PM - 11:57 PM
1:21 PM - 2:51 PM

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: 6:32 AM
Sun Transit: 1:01 PM
Sunset: 7:30 PM
Daylight: 12 hrs 58 mins
Moonrise: 10:57 PM
Moon Transit: 5:55 AM
Moonset: 1:51 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
5:51 PM - 8:21 PM

Minor Periods

10:27 PM - 11:57 PM
1:21 PM - 2:51 PM

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: 6:33 AM
Sun Transit: 1:01 PM
Sunset: 7:28 PM
Daylight: 12 hrs 55 mins
Moonrise: 11:53 PM
Moon Transit: 6:56 AM
Moonset: 3:01 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
6:53 PM - 9:23 PM

Minor Periods

12:00 AM - 12:00 AM
2:31 PM - 4:01 PM

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: 6:33 AM
Sun Transit: 1:01 PM
Sunset: 7:28 PM
Daylight: 12 hrs 55 mins
Moonrise: 11:53 PM
Moon Transit: 6:56 AM
Moonset: 3:01 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
6:53 PM - 9:23 PM

Minor Periods

12:00 AM - 12:00 AM
2:31 PM - 4:01 PM

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: 6:34 AM
Sun Transit: 1:00 PM
Sunset: 7:27 PM
Daylight: 12 hrs 53 mins
Moonrise: 12:53 AM
Moon Transit: 8:00 AM
Moonset: 4:03 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
7:56 PM - 10:26 PM

Minor Periods

3:33 PM - 5:03 PM
12:00 AM - 12:00 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: 6:34 AM
Sun Transit: 1:00 PM
Sunset: 7:27 PM
Daylight: 12 hrs 53 mins
Moonrise: 12:53 AM
Moon Transit: 8:00 AM
Moonset: 4:03 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
7:56 PM - 10:26 PM

Minor Periods

3:33 PM - 5:03 PM
12:00 AM - 12:00 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: 6:35 AM
Sun Transit: 1:00 PM
Sunset: 7:25 PM
Daylight: 12 hrs 50 mins
Moonrise: 1:01 AM
Moon Transit: 9:01 AM
Moonset: 4:55 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:31 AM - 11:01 AM
8:57 PM - 11:27 PM

Minor Periods

4:25 PM - 5:55 PM
12:31 AM - 2:01 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: 6:35 AM
Sun Transit: 1:00 PM
Sunset: 7:25 PM
Daylight: 12 hrs 50 mins
Moonrise: 1:01 AM
Moon Transit: 9:01 AM
Moonset: 4:55 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:31 AM - 11:01 AM
8:57 PM - 11:27 PM

Minor Periods

4:25 PM - 5:55 PM
12:31 AM - 2:01 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: 6:36 AM
Sun Transit: 1:00 PM
Sunset: 7:24 PM
Daylight: 12 hrs 47 mins
Moonrise: 2:16 AM
Moon Transit: 10:01 AM
Moonset: 5:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:31 AM - 12:01 AM

Minor Periods

5:06 PM - 6:36 PM
1:46 AM - 3:16 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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