Water Temperature of the Illinois River in La Grange, IL

Current Water Temperature

37.8°F

Measurement Time: Sunday, January 21, 2024, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Versailles, IL; Beardstown, IL

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Illinois River

Station Name: La Grange L&D 8
Data Source: USGS

Elevation Above Sea Level: 427 feet / 130 meters

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 (77.0 mi)
Missouri River, St Charles, MO (79.8 mi)
Mississippi River, New Boston, IL (90.8 mi)

Weather for La Grange, Illinois

Current Weather

71.1°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 99%
Feels Like: 71.1°F
Wind: SE 7.2 mph
Wind Gusts: 15 mph
Pressure: 30.04 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Thundery outbreaks in nearby
Fri
H: 96°F
L: 68°F
Thundery outbreaks in nearby
Sat
H: 96°F
L: 75°F
Sunny
Sun
H: 98°F
L: 76°F
Patchy rain nearby
Mon
H: 98°F
L: 74°F
Patchy rain nearby
Tue
H: 94°F
L: 74°F

Air Quality

PM2.5: 12.77 μg/m3
PM10: 13.14 μg/m3
Carbon Monoxide: 381.1 μg/m3
Nitrogen Dioxide: 26.83 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 35 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:06 PM
Sunset: 7:58 PM
Daylight: 13 hrs 44 mins
Moonrise: 11:17 PM
Moon Transit: 6:01 AM
Moonset: 1:34 PM
Moon Phase: Last Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

5:31 AM - 8:01 AM
5:55 PM - 8:25 PM

Minor Periods

12:00 AM - 12:00 AM
1:04 PM - 2:34 PM

Action Rating: 3 out of 5

Friday, August 15, 2025

Weather Forecast

Conditions: Thundery outbreaks in nearby
Average Temperature: 81.3°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 17.87 μg/m3
PM10: 18.36 μg/m3
Carbon Monoxide: 360.31 μg/m3
Nitrogen Dioxide: 18.6 μg/m3
Sulphur Dioxide: 3.61 μg/m3
Ozone: 81.6 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:06 PM
Sunset: 7:58 PM
Daylight: 13 hrs 44 mins
Moonrise: 11:17 PM
Moon Transit: 6:01 AM
Moonset: 1:34 PM
Moon Phase: Last Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

5:31 AM - 8:01 AM
5:55 PM - 8:25 PM

Minor Periods

12:00 AM - 12:00 AM
1:04 PM - 2:34 PM

Action Rating: 3 out of 5

Saturday, August 16, 2025

Weather Forecast

Conditions: Thundery outbreaks in nearby
Average Temperature: 84.7°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 16.1 μg/m3
PM10: 16.68 μg/m3
Carbon Monoxide: 374.44 μg/m3
Nitrogen Dioxide: 16.57 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 91.2 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:06 PM
Sunset: 7:57 PM
Daylight: 13 hrs 41 mins
Moonrise: 12:17 AM
Moon Transit: 6:58 AM
Moonset: 2:50 PM
Moon Phase: Last Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
6:53 PM - 9:23 PM

Minor Periods

2:20 PM - 3:50 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, August 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 86°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 16.78 μg/m3
PM10: 17.46 μg/m3
Carbon Monoxide: 364.6 μg/m3
Nitrogen Dioxide: 10.75 μg/m3
Sulphur Dioxide: 3.8 μg/m3
Ozone: 101.28 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:06 PM
Sunset: 7:55 PM
Daylight: 13 hrs 39 mins
Moonrise: 1:00 AM
Moon Transit: 7:57 AM
Moonset: 4:03 PM
Moon Phase: Last Quarter
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
7:54 PM - 10:24 PM

Minor Periods

3:33 PM - 5:03 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, August 18, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 85.1°F
Average Humidity: 64%
Chance of Rain: 86%
Wind: 10.5 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 16.65 μg/m3
PM10: 17.52 μg/m3
Carbon Monoxide: 521.42 μg/m3
Nitrogen Dioxide: 24.56 μg/m3
Sulphur Dioxide: 2.96 μg/m3
Ozone: 74.77 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:05 PM
Sunset: 7:54 PM
Daylight: 13 hrs 37 mins
Moonrise: 12:53 AM
Moon Transit: 9:00 AM
Moonset: 5:07 PM
Moon Phase: Last Quarter
Moon Illumination: 18.9%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
8:56 PM - 11:26 PM

Minor Periods

4:37 PM - 6:07 PM
12:23 AM - 1:53 AM

Action Rating: 2 out of 5

Tuesday, August 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.3°F
Average Humidity: 70%
Chance of Rain: 63%
Wind: 6 mph
UV Index: 0

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: 6:18 AM
Sun Transit: 1:05 PM
Sunset: 7:53 PM
Daylight: 13 hrs 34 mins
Moonrise: 1:56 AM
Moon Transit: 10:01 AM
Moonset: 6:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:31 PM - 7:01 PM
1:26 AM - 2:56 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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