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

Current Water Temperature

59.5°F

Measurement Time: Tuesday, May 5, 2026, 4:00 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

50.2°F
Patchy rain nearby
Patchy rain nearby
46.8°F
53.8°F
76%
NW 8.5 mph
10.1 mph
52.3°F
38.6°F
0.01 in
25%
9 mi
1010 mbar
1.9

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 67°F
L: 50°F
Overcast
Wed
H: 54°F
L: 41°F
Patchy rain nearby
Thu
H: 61°F
L: 40°F
Moderate rain
Fri
H: 58°F
L: 47°F
Patchy rain nearby
Sat
H: 74°F
L: 47°F

Air Quality

AQI: 2 - Moderate
PM2.5: 3.95 μg/m3
PM10: 4.75 μg/m3
Carbon Monoxide: 158.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:48 AM
Sunset: 7:55 PM
Daylight: 14 hrs 11 mins
Moonrise: 12:21 AM
Moon Transit: 3:35 AM
Moonset: 7:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
3:47 PM - 6:17 PM

Minor Periods

7:20 AM - 8:50 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Flood Warning issued May 4 at 9:10PM CDT until May 5 at 7:00AM CDT by NWS Chicago IL

Effective: Mon May 4, 2026, 9:10 PM
Expires: Tue May 5, 2026, 7:00 AM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Lake IL and Kane Counties. * WHAT...Minor flooding is occurring and forecasted to occur. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until tomorrow morning. * 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 Monday the stage was 9.5 feet. - Forecast...The river is expected to fall below flood stage by early Tuesday morning. - 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 Tuesday morning.
Tuesday, May 5, 2026

Weather Forecast

Patchy rain nearby
66.9°F
50°F
56.6°F
49%
0.02 in
73%
0%
10.5 mph
4.4


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 6.75 μg/m3
Carbon Monoxide: 175.73 μg/m3
Nitrogen Dioxide: 11.96 μg/m3
Sulphur Dioxide: 3.77 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:48 AM
Sunset: 7:55 PM
Daylight: 14 hrs 11 mins
Moonrise: 12:21 AM
Moon Transit: 3:35 AM
Moonset: 7:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
3:47 PM - 6:17 PM

Minor Periods

7:20 AM - 8:50 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 6, 2026

Weather Forecast

Overcast
54°F
41.1°F
48.1°F
53%
0 in
0%
0%
12.8 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 7.11 μg/m3
Carbon Monoxide: 179.01 μg/m3
Nitrogen Dioxide: 15.04 μg/m3
Sulphur Dioxide: 4.93 μg/m3
Ozone: 67.84 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 12:48 AM
Sunset: 7:56 PM
Daylight: 14 hrs 13 mins
Moonrise: 12:11 AM
Moon Transit: 4:27 AM
Moonset: 8:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

3:57 AM - 6:27 AM
4:38 PM - 7:08 PM

Minor Periods

8:16 AM - 9:46 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
60.7°F
39.9°F
49.9°F
64%
0.19 in
88%
0%
15 mph
5.6


Air Quality

AQI: 1 - Good
PM2.5: 5.46 μg/m3
PM10: 5.61 μg/m3
Carbon Monoxide: 184.89 μg/m3
Nitrogen Dioxide: 9.96 μg/m3
Sulphur Dioxide: 3.35 μg/m3
Ozone: 65.2 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:48 AM
Sunset: 7:57 PM
Daylight: 14 hrs 16 mins
Moonrise: 12:53 AM
Moon Transit: 5:17 AM
Moonset: 9:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
5:28 PM - 7:58 PM

Minor Periods

9:17 AM - 10:47 AM
12:23 AM - 1:53 AM

Action Rating: 3 out of 5

Friday, May 8, 2026

Weather Forecast

Moderate rain
57.9°F
47.3°F
51.6°F
86%
0.37 in
71%
0%
16.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.3 μg/m3
PM10: 9.93 μg/m3
Carbon Monoxide: 178.69 μg/m3
Nitrogen Dioxide: 17.61 μg/m3
Sulphur Dioxide: 3.35 μg/m3
Ozone: 52.64 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:48 AM
Sunset: 7:58 PM
Daylight: 14 hrs 18 mins
Moonrise: 1:27 AM
Moon Transit: 6:06 AM
Moonset: 10:51 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

5:36 AM - 8:06 AM
6:15 PM - 8:45 PM

Minor Periods

10:21 AM - 11:51 AM
12:57 AM - 2:27 AM

Action Rating: 3 out of 5

Saturday, May 9, 2026

Weather Forecast

Patchy rain nearby
73.8°F
47.4°F
58.6°F
70%
0.02 in
72%
0%
17.7 mph
3


Air Quality

AQI: 2 - Moderate
PM2.5: 19.38 μg/m3
PM10: 20.21 μg/m3
Carbon Monoxide: 278.33 μg/m3
Nitrogen Dioxide: 34.43 μg/m3
Sulphur Dioxide: 4.59 μg/m3
Ozone: 39.23 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 12:48 AM
Sunset: 7:59 PM
Daylight: 14 hrs 20 mins
Moonrise: 1:57 AM
Moon Transit: 6:52 AM
Moonset: 11:57 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
7:01 PM - 9:31 PM

Minor Periods

11:27 AM - 12:57 AM
1:27 AM - 2:57 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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