Water Temperature of the Des Plaines River in Lockport, IL

Current Water Temperature

33.9°F

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

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

66.2°F
Overcast
Overcast
66.2°F
67.1°F
83%
WSW 16.1 mph
18.5 mph
67.1°F
60.2°F
0 in
100%
9 mi
1009 mbar
5

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 74°F
L: 59°F
Moderate rain
Fri
H: 80°F
L: 51°F
Heavy rain
Sat
H: 58°F
L: 42°F
Sunny
Sun
H: 51°F
L: 33°F
Sunny
Mon
H: 60°F
L: 36°F

Air Quality

AQI: 2 - Moderate
PM2.5: 5.95 μg/m3
PM10: 7.65 μg/m3
Carbon Monoxide: 150.85 μg/m3
Nitrogen Dioxide: 3.65 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 104 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:52 AM
Sunset: 7:34 PM
Daylight: 13 hrs 23 mins
Moonrise: 5:28 AM
Moon Transit: 12:07 AM
Moonset: 7:01 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:37 AM - 2:07 PM

Minor Periods

6:31 PM - 8:01 PM
4:58 AM - 6:28 AM

Action Rating: 5 out of 5

Flood Warning issued April 16 at 7:30AM CDT until April 17 at 1:00PM CDT by NWS Chicago IL

Effective: Thu April 16, 2026, 7:30 AM
Expires: Fri April 17, 2026, 1:30 AM

...The Flood Warning is extended for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. For the Fox River (Illinois)...including Montgomery...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Red Gate Road in St. Charles downstream to Millington, including the Montgomery gauge. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 13.5 feet, Low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles. * ADDITIONAL DETAILS... - At 7:00 AM CDT Thursday the stage was 13.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 AM CDT Thursday was 13.5 feet. - Forecast...The river is expected to rise to a crest of 13.6 feet this afternoon. It will then fall below flood stage tomorrow morning. - Flood stage is 13.5 feet. - http://www.weather.gov/safety/flood

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.


Flood Watch issued April 15 at 10:17PM CDT until April 18 at 10:00AM CDT by NWS Chicago IL

Effective: Wed April 15, 2026, 10:17 PM
Expires: Thu April 16, 2026, 4:30 PM

...The Flood Watch continues for the following rivers in Illinois... Des Plaines River at Riverside affecting Central Cook zone. For the Des Plaines River...including Riverside...flooding is possible. * WHAT...Flooding is possible. * WHERE...Des Plaines River from Roosevelt Road in Forest Park downstream to Hodgkins, including the Riverside gauge. * WHEN...From late tonight to late Saturday morning. * IMPACTS...At 7.5 feet, Low-lying sections of Miller Meadow, Indian Gardens, Cermak Woods, Ottawa Trail Woods, and other forest land along the river are inundated. * ADDITIONAL DETAILS... - At 9:45 PM CDT Wednesday the stage was 6.6 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 7.5 feet. - http://www.weather.gov/safety/flood

A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.


Flood Warning issued April 15 at 10:10PM CDT until April 21 at 7:00PM CDT by NWS Chicago IL

Effective: Wed April 15, 2026, 10:10 PM
Expires: Thu April 16, 2026, 4:15 PM

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Russell, Gurnee, Lincolnshire, Des Plaines...Moderate flooding is forecast. * WHAT...Moderate flooding is forecast. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...Until Tuesday evening. * IMPACTS...At 15.0 feet, Structures threatened along IL-22 (Half-Day Road) just east of the river. Multiple structures threatened near and west of US-45 (Milwaukee Avenue) and Deerfield Road. Deerfield Road threatened near the river. Multiple trails inundated in Half-Day Forest Preserve. * ADDITIONAL DETAILS... - At 9:45 PM CDT Wednesday the stage was 12.4 feet. - Forecast...The river will rise above flood stage late this evening to 14.6 feet early Friday afternoon. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.


Flood Warning issued April 15 at 10:10PM CDT until April 21 at 4:00PM CDT by NWS Chicago IL

Effective: Wed April 15, 2026, 10:10 PM
Expires: Thu April 16, 2026, 4:15 PM

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Russell, Gurnee, Lincolnshire, Des Plaines...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge. * WHEN...Until Tuesday afternoon. * IMPACTS...At 17.0 feet, Central Road and Golf Road are threatened in Des Plaines. * ADDITIONAL DETAILS... - At 9:45 PM CDT Wednesday the stage was 15.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 PM CDT Wednesday was 15.2 feet. - Forecast...The river is expected to rise to a crest of 17.0 feet Friday morning. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.


Flood Warning issued April 15 at 9:28PM CDT by NWS Chicago IL

Effective: Wed April 15, 2026, 9:28 PM
Expires: Thu April 16, 2026, 3:30 PM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 11.5 feet, Residences threatened along Oceola Drive in Algonquin. A few residences threatened along McBridge Street in Elgin. Jayne Street and Beach Drive threatened in Algonquin. River Street threatened in East Dundee. Jerusha Avenue threatened in Elgin. Fox River Trail threatened between East Dundee and Elgin. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Wednesday was 10.0 feet. - Forecast...The river is expected to rise to 11.3 feet Tuesday evening. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.


Thursday, April 16, 2026

Weather Forecast

Patchy rain nearby
74.3°F
59°F
65.3°F
79%
0.11 in
86%
0%
16.6 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 6.62 μg/m3
PM10: 7.43 μg/m3
Carbon Monoxide: 158.57 μg/m3
Nitrogen Dioxide: 6.72 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 77.96 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:52 AM
Sunset: 7:34 PM
Daylight: 13 hrs 23 mins
Moonrise: 5:28 AM
Moon Transit: 12:07 AM
Moonset: 7:01 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:37 AM - 2:07 PM

Minor Periods

6:31 PM - 8:01 PM
4:58 AM - 6:28 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Moderate rain
80.4°F
51.3°F
65.6°F
80%
0.22 in
76%
0%
22.1 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 14.51 μg/m3
PM10: 15.41 μg/m3
Carbon Monoxide: 204.93 μg/m3
Nitrogen Dioxide: 20.47 μg/m3
Sulphur Dioxide: 5.71 μg/m3
Ozone: 63.12 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 12:51 AM
Sunset: 7:35 PM
Daylight: 13 hrs 26 mins
Moonrise: 5:54 AM
Moon Transit: 1:00 PM
Moonset: 8:20 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
12:30 AM - 3:00 PM

Minor Periods

7:50 PM - 9:20 PM
5:24 AM - 6:54 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Heavy rain
57.7°F
41.7°F
52.4°F
68%
1.29 in
88%
0%
18.3 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 4.91 μg/m3
PM10: 5.19 μg/m3
Carbon Monoxide: 161.81 μg/m3
Nitrogen Dioxide: 6.16 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 80.44 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:51 AM
Sunset: 7:36 PM
Daylight: 13 hrs 28 mins
Moonrise: 6:25 AM
Moon Transit: 1:55 PM
Moonset: 9:41 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
1:25 PM - 3:55 PM

Minor Periods

9:11 PM - 10:41 PM
5:55 AM - 7:25 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Sunny
51.4°F
33.1°F
41.7°F
58%
0 in
0%
0%
17.4 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 4.4 μg/m3
PM10: 4.79 μg/m3
Carbon Monoxide: 159.75 μg/m3
Nitrogen Dioxide: 6.73 μg/m3
Sulphur Dioxide: 2.56 μg/m3
Ozone: 82.28 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:51 AM
Sunset: 7:37 PM
Daylight: 13 hrs 31 mins
Moonrise: 7:03 AM
Moon Transit: 2:56 PM
Moonset: 11:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
2:26 PM - 4:56 PM

Minor Periods

12:00 AM - 12:00 AM
6:33 AM - 8:03 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Sunny
60°F
35.9°F
48.7°F
51%
0 in
0%
0%
15.7 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 16.52 μg/m3
PM10: 17.01 μg/m3
Carbon Monoxide: 299.33 μg/m3
Nitrogen Dioxide: 41.8 μg/m3
Sulphur Dioxide: 5.7 μg/m3
Ozone: 33.15 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:51 AM
Sunset: 7:38 PM
Daylight: 13 hrs 34 mins
Moonrise: 7:52 AM
Moon Transit: 4:01 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
3:31 PM - 6:01 PM

Minor Periods

7:22 AM - 8:52 AM
12:00 AM - 12:00 AM

Action Rating: 3 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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