Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

84.7°F

Measurement Time: Saturday, September 12, 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

65°F
Mostly Cloudy
Mostly Cloudy
87%
N 3 mph
61°F

Weather Forecast

Mostly Cloudy
Overnight
64°F - Mostly Cloudy
Partly Sunny then Slight Chance Showers And Thunderstorms
Sunday
76°F - Partly Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Mostly Cloudy
Sunday Night
60°F - Slight Chance Showers And Thunderstorms then Mostly Cloudy
Partly Sunny
Monday
81°F - Partly Sunny
Mostly Clear
Monday Night
71°F - Mostly Clear
Rain Showers Likely
Tuesday
90°F - Rain Showers Likely
Showers And Thunderstorms
Tuesday Night
64°F - Showers And Thunderstorms
Showers And Thunderstorms
Wednesday
85°F - Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Wednesday Night
69°F - Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday
86°F - Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Thursday Night
66°F - Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Friday
82°F - Chance Showers And Thunderstorms
Chance Rain Showers
Friday Night
61°F - Chance Rain Showers
Chance Showers And Thunderstorms
Saturday
78°F - Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:57 AM
Sunset: 7:14 PM
Daylight: 12 hrs 32 mins
Moonrise: 9:26 AM
Moon Transit: 2:54 PM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
2:24 PM - 4:54 PM

Minor Periods

7:43 PM - 9:13 PM
8:56 AM - 10:26 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: 6:42 AM
Sun Transit: 12:57 AM
Sunset: 7:14 PM
Daylight: 12 hrs 32 mins
Moonrise: 9:26 AM
Moon Transit: 2:54 PM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
2:24 PM - 4:54 PM

Minor Periods

7:43 PM - 9:13 PM
8:56 AM - 10:26 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: 6:42 AM
Sun Transit: 12:57 AM
Sunset: 7:14 PM
Daylight: 12 hrs 32 mins
Moonrise: 9:26 AM
Moon Transit: 2:54 PM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
2:24 PM - 4:54 PM

Minor Periods

7:43 PM - 9:13 PM
8:56 AM - 10:26 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: 6:42 AM
Sun Transit: 12:57 AM
Sunset: 7:14 PM
Daylight: 12 hrs 32 mins
Moonrise: 9:26 AM
Moon Transit: 2:54 PM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
2:24 PM - 4:54 PM

Minor Periods

7:43 PM - 9:13 PM
8:56 AM - 10:26 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: 6:43 AM
Sun Transit: 12:57 AM
Sunset: 7:12 PM
Daylight: 12 hrs 30 mins
Moonrise: 10:33 AM
Moon Transit: 3:40 PM
Moonset: 8:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

2:42 AM - 5:12 AM
3:10 PM - 5:40 PM

Minor Periods

8:10 PM - 9:40 PM
10:03 AM - 11:33 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: 6:43 AM
Sun Transit: 12:57 AM
Sunset: 7:12 PM
Daylight: 12 hrs 30 mins
Moonrise: 10:33 AM
Moon Transit: 3:40 PM
Moonset: 8:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

2:42 AM - 5:12 AM
3:10 PM - 5:40 PM

Minor Periods

8:10 PM - 9:40 PM
10:03 AM - 11:33 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: 6:43 AM
Sun Transit: 12:57 AM
Sunset: 7:10 PM
Daylight: 12 hrs 27 mins
Moonrise: 11:38 AM
Moon Transit: 4:27 PM
Moonset: 9:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:57 PM - 6:27 PM

Minor Periods

8:41 PM - 10:11 PM
11:08 AM - 12:38 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: 6:43 AM
Sun Transit: 12:57 AM
Sunset: 7:10 PM
Daylight: 12 hrs 27 mins
Moonrise: 11:38 AM
Moon Transit: 4:27 PM
Moonset: 9:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:57 PM - 6:27 PM

Minor Periods

8:41 PM - 10:11 PM
11:08 AM - 12:38 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: 6:44 AM
Sun Transit: 12:56 AM
Sunset: 7:09 PM
Daylight: 12 hrs 24 mins
Moonrise: 12:42 AM
Moon Transit: 5:17 PM
Moonset: 9:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
4:47 PM - 7:17 PM

Minor Periods

9:18 PM - 10:48 PM
12:12 AM - 1:42 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: 6:44 AM
Sun Transit: 12:56 AM
Sunset: 7:09 PM
Daylight: 12 hrs 24 mins
Moonrise: 12:42 AM
Moon Transit: 5:17 PM
Moonset: 9:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
4:47 PM - 7:17 PM

Minor Periods

9:18 PM - 10:48 PM
12:12 AM - 1:42 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: 6:45 AM
Sun Transit: 12:56 AM
Sunset: 7:07 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:42 PM
Moon Transit: 6:07 PM
Moonset: 10:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
5:37 PM - 8:07 PM

Minor Periods

10:02 PM - 11:32 PM
1:12 PM - 2:42 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: 6:45 AM
Sun Transit: 12:56 AM
Sunset: 7:07 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:42 PM
Moon Transit: 6:07 PM
Moonset: 10:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
5:37 PM - 8:07 PM

Minor Periods

10:02 PM - 11:32 PM
1:12 PM - 2:42 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: 6:46 AM
Sun Transit: 12:56 AM
Sunset: 7:06 PM
Daylight: 12 hrs 19 mins
Moonrise: 2:38 PM
Moon Transit: 7:00 PM
Moonset: 11:22 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
6:30 PM - 9:00 PM

Minor Periods

12:00 AM - 12:00 AM
2:08 PM - 3:38 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: 6:46 AM
Sun Transit: 12:56 AM
Sunset: 7:06 PM
Daylight: 12 hrs 19 mins
Moonrise: 2:38 PM
Moon Transit: 7:00 PM
Moonset: 11:22 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
6:30 PM - 9:00 PM

Minor Periods

12:00 AM - 12:00 AM
2:08 PM - 3:38 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: 6:47 AM
Sun Transit: 12:55 AM
Sunset: 7:04 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:25 PM
Moon Transit: 7:50 PM
Moonset: 12:22 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

6:50 AM - 9:20 AM
7:20 PM - 9:50 PM

Minor Periods

2:55 PM - 4:25 PM
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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