Water Temperature of the Des Plaines River in Lockport, IL

Current Water Temperature

33.9°F 1.1°C
Frigid Dangerously Cold
33.9°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.

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

Temperature Locations

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Local Points of Interest

Lockport Dam; Crest Hill, IL; Joliet, IL

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Des Plaines River

Station Name: Lockport L&D 2
Data Source: USGS

Elevation Above Sea Level: 561 feet

Nearest Address:
South Powerhouse Drive
Lockport, IL 60434
Will County

GPS Coordinates: 41.5697, -88.0783

Nearby Water Temperatures

Des Plaines River, Joliet, IL (2.3 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (5 mi)
Des Plaines River, Rockdale, IL (5 mi)
Des Plaines River, Channahon, IL (12.8 mi)
Kankakee River, Morris, IL (15.7 mi)
Kankakee River, Wilmington, IL (16.4 mi)
Cal-Sag Channel, Blue Island, IL (21.8 mi)
Kankakee River, Custer Park, IL (22.5 mi)
Hanson Gravel Pit, Morris, IL (25.9 mi)
Grand Calumet River, Chicago, IL (27.3 mi)
Chicago River, Chicago, IL (27.4 mi)
Plum Creek, Dyer, IN (29.7 mi)
Grand Calumet River, Hammond, IN (30.1 mi)
Hart Ditch, Munster, IN (30.9 mi)
Indiana Harbor Canal, East Chicago, IN (32 mi)

Weather for Lockport, Illinois

Current Weather

47.3°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 68%
Feels Like: 42.6°F
Wind: N 10.1 mph
Wind Gusts: 15 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Sunny
Fri
H: 49°F
L: 40°F
Sunny
Sat
H: 50°F
L: 33°F
Sunny
Sun
H: 60°F
L: 38°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
2 μg/m³
Good
PM10
2 μg/m³
Good
Ozone (O3)
59 μg/m³
Photochemical
NO2
6.8 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
152 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 11m daylight
Sunrise 6:31 AM
Solar Noon 11:35 AM
Sunset 4:41 PM
Moon
Waning Crescent • 5%
Moonrise 3:49 AM
Transit 9:32 AM
Moonset 3:06 PM

Best Times for Fishing or Hunting

Major Periods

9:02 AM - 11:32 AM
9:24 PM - 11:54 PM

Minor Periods

3:19 AM - 4:49 AM
2:36 PM - 4:06 PM
Action Rating:
Fair Action 2/5
Friday, November 6, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 44.3°F
Average Humidity: 59%
Chance of Rain: 6%
Wind: 11.6 mph
UV Index: 1.8

Astronomical

Sun
10h 11m daylight
Sunrise 6:31 AM
Solar Noon 11:35 AM
Sunset 4:41 PM
Moon
Waning Crescent • 5%
Moonrise 3:49 AM
Transit 9:32 AM
Moonset 3:06 PM

Best Times for Fishing or Hunting

Major Periods

9:02 AM - 11:32 AM
9:24 PM - 11:54 PM

Minor Periods

3:19 AM - 4:49 AM
2:36 PM - 4:06 PM
Action Rating:
Fair Action 2/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 41.6°F
Average Humidity: 64%
Chance of Rain: 7%
Wind: 8.1 mph
UV Index: 2.4

Astronomical

Sun
10h 8m daylight
Sunrise 6:32 AM
Solar Noon 11:36 AM
Sunset 4:40 PM
Moon
Waning Crescent • 1%
Moonrise 4:56 AM
Transit 10:17 AM
Moonset 3:29 PM

Best Times for Fishing or Hunting

Major Periods

9:47 AM - 12:17 PM
10:09 PM - 12:39 AM

Minor Periods

4:26 AM - 5:56 AM
2:59 PM - 4:29 PM
Action Rating:
Good Action 3/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 47.5°F
Average Humidity: 68%
Chance of Rain: 7%
Wind: 13.9 mph
UV Index: 2.4

Astronomical

Sun
10h 6m daylight
Sunrise 6:33 AM
Solar Noon 11:36 AM
Sunset 4:39 PM
Moon
New • 0%
Moonrise 6:03 AM
Transit 11:03 AM
Moonset 3:56 PM

Best Times for Fishing or Hunting

Major Periods

10:33 AM - 1:03 PM
10:56 PM - 1:26 AM

Minor Periods

5:33 AM - 7:03 AM
3:26 PM - 4:56 PM
Action Rating:
Peak Action 5/5
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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