Water Temperature of the Chicago Sanitary and Ship Canal in Romeoville, IL

Current Water Temperature

56.1°F

Measurement Time: Monday, April 13, 2026, 12:00 AM CDT

Temperature Locations

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Chicago Sanitary and Ship Canal

Station Name: CHICAGO SANITARY AND SHIP CANAL AT ROMEOVILLE, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 581 feet

Nearest Address:
790 E Old Romeo Rd
Romeoville, IL 60446
Will County

GPS Coordinates: 41.6408333, -88.0594444

Nearby Water Temperatures

Des Plaines River, Lockport, IL (5 mi)
Des Plaines River, Joliet, IL (7.3 mi)
Des Plaines River, Rockdale, IL (10 mi)
Des Plaines River, Channahon, IL (17.6 mi)
Cal-Sag Channel, Blue Island, IL (20.1 mi)
Kankakee River, Morris, IL (20.3 mi)
Kankakee River, Wilmington, IL (21.4 mi)
Chicago River, Chicago, IL (23.6 mi)
Grand Calumet River, Chicago, IL (25.7 mi)
Kankakee River, Custer Park, IL (27.5 mi)
Grand Calumet River, Hammond, IN (28.9 mi)
Plum Creek, Dyer, IN (29.8 mi)
Hanson Gravel Pit, Morris, IL (29.9 mi)
Hart Ditch, Munster, IN (30.4 mi)
Indiana Harbor Canal, East Chicago, IN (30.5 mi)

Weather for Romeoville, Illinois

Current Weather

65.1°F
Overcast
Overcast
65.1°F
63.8°F
94%
SW 10.5 mph
16.1 mph
63.8°F
61.1°F
0 in
100%
9 mi
1012 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 73°F
L: 62°F
Patchy rain nearby
Tue
H: 73°F
L: 67°F
Heavy rain
Wed
H: 69°F
L: 67°F
Moderate rain
Thu
H: 74°F
L: 59°F
Patchy rain nearby
Fri
H: 81°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 8.65 μg/m3
PM10: 9.55 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 12:52 AM
Sunset: 7:31 PM
Daylight: 13 hrs 15 mins
Moonrise: 4:21 AM
Moon Transit: 9:46 AM
Moonset: 3:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:16 AM - 11:46 AM

Minor Periods

2:52 PM - 4:22 PM
3:51 AM - 5:21 AM

Action Rating: 2 out of 5

Flood Warning issued April 12 at 10:46AM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

Effective: Sun April 12, 2026, 10:46 AM
Expires: Mon April 13, 2026, 5:00 AM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor 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 Tuesday evening. * IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee. Boathouses threatened along the river in Cary. * ADDITIONAL DETAILS... - At 10:30 AM CDT Sunday the stage was 9.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Sunday was 9.9 feet. - Forecast...The river is expected to remain just above flood stage before falling below on Tuesday. - 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 late tonight.


Flood Warning issued April 12 at 9:04PM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

Effective: Sun April 12, 2026, 9:04 PM
Expires: Mon April 13, 2026, 3:15 PM

...The Flood Warning continues for the following rivers in Indiana... Illinois... Kankakee River at Shelby affecting Lake IN and Newton Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Minor flooding is occurring and minor 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 Tuesday evening. * IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee. Boathouses threatened along the river in Cary. * ADDITIONAL DETAILS... - At 8:30 PM CDT Sunday the stage was 9.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Sunday was 9.8 feet. - Forecast...The river is expected to rise to a crest of 9.7 feet Monday morning. It will then fall below flood stage early Tuesday afternoon. - 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 Monday afternoon.


Flood Warning issued April 12 at 10:22AM CDT until April 14 at 1:00AM CDT by NWS Chicago IL

Effective: Sun April 12, 2026, 10:22 AM
Expires: Mon April 13, 2026, 4:30 AM

...The Flood Warning continues for the following rivers in Indiana... Kankakee River at Dunns Bridge affecting Porter and Jasper Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. For the Kankakee River...including Dunns Bridge...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kankakee River from Near I-65 and De Motte downstream to IL/IN state line, including the Shelby gauge. * WHEN...Until early Tuesday morning. * IMPACTS...At 10.5 feet, Water overflows low-lying river banks along Bluegrass Road east of Sumava Resorts and along Westwood Drive and Island Boulevard near Shelby. Water begins to be diverted through the Blackberry Marsh Spillway to reduce flood impacts. * ADDITIONAL DETAILS... - At 9:45 AM CDT Sunday the stage was 11.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Sunday was 11.4 feet. - Forecast...The river is expected to fall below flood stage tomorrow afternoon and continue falling. - Flood stage is 10.5 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 this evening.


Flood Warning issued April 12 at 9:04PM CDT until April 13 at 7:00PM CDT by NWS Chicago IL

Effective: Sun April 12, 2026, 9:04 PM
Expires: Mon April 13, 2026, 3:15 PM

...The Flood Warning continues for the following rivers in Indiana... Illinois... Kankakee River at Shelby affecting Lake IN and Newton Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kankakee River from Near I-65 and De Motte downstream to IL/IN state line, including the Shelby gauge. * WHEN...Until Monday evening. * IMPACTS...At 11.5 feet, Low-lying residences are threatened along Bluegrass Road east of Sumava Resorts and along Westwood Drive and Island Boulevard near Shelby. * ADDITIONAL DETAILS... - At 8:45 PM CDT Sunday the stage was 11.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Sunday was 11.3 feet. - Forecast...The river is expected to fall below flood stage early Monday afternoon. - Flood stage is 10.5 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 Monday afternoon.


Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
72.5°F
62.4°F
67°F
90%
0.06 in
78%
0%
20.1 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 6.37 μg/m3
PM10: 6.82 μg/m3
Carbon Monoxide: 161.25 μg/m3
Nitrogen Dioxide: 6.36 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 80.08 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 12:52 AM
Sunset: 7:31 PM
Daylight: 13 hrs 15 mins
Moonrise: 4:21 AM
Moon Transit: 9:46 AM
Moonset: 3:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:16 AM - 11:46 AM

Minor Periods

2:52 PM - 4:22 PM
3:51 AM - 5:21 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Patchy rain nearby
73.4°F
66.9°F
70°F
90%
0.04 in
82%
0%
19.9 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 5.52 μg/m3
PM10: 5.81 μg/m3
Carbon Monoxide: 154.85 μg/m3
Nitrogen Dioxide: 6.43 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 77.28 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 12:52 AM
Sunset: 7:32 PM
Daylight: 13 hrs 18 mins
Moonrise: 4:43 AM
Moon Transit: 10:31 AM
Moonset: 4:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:01 AM - 12:31 AM

Minor Periods

4:03 PM - 5:33 PM
4:13 AM - 5:43 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Heavy rain
69.4°F
66.6°F
68.1°F
89%
1.3 in
89%
0%
17.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.63 μg/m3
PM10: 7.21 μg/m3
Carbon Monoxide: 164.25 μg/m3
Nitrogen Dioxide: 9.01 μg/m3
Sulphur Dioxide: 2.52 μg/m3
Ozone: 73.36 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 21 mins
Moonrise: 5:05 AM
Moon Transit: 10:33 AM
Moonset: 5:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

10:03 AM - 12:33 AM
10:03 AM - 12:33 AM

Minor Periods

5:15 PM - 6:45 PM
4:35 AM - 6:05 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Moderate rain
74.3°F
58.7°F
65.3°F
69%
0.4 in
89%
0%
16.8 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 5 μg/m3
PM10: 5.27 μg/m3
Carbon Monoxide: 150.27 μg/m3
Nitrogen Dioxide: 6.8 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 78.68 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

Patchy rain nearby
80.6°F
58.1°F
66.7°F
74%
0.01 in
82%
0%
17.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.57 μg/m3
PM10: 7.74 μg/m3
Carbon Monoxide: 232.29 μg/m3
Nitrogen Dioxide: 23.73 μg/m3
Sulphur Dioxide: 3.33 μg/m3
Ozone: 39.77 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

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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