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

Current Water Temperature

67.8°F

Measurement Time: Wednesday, May 20, 2026, 6:00 PM 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

47.6°F
Clear
Clear
43.4°F
47.6°F
73%
NE 8.9 mph
15 mph
43.4°F
39.2°F
0 in
11%
6 mi
1026 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 67°F
L: 47°F
Patchy rain nearby
Fri
H: 58°F
L: 52°F
Patchy rain nearby
Sat
H: 70°F
L: 54°F
Patchy rain nearby
Sun
H: 80°F
L: 64°F
Patchy rain nearby
Mon
H: 68°F
L: 66°F

Air Quality

PM2.5: 3.65 μg/m3
PM10: 3.75 μg/m3
Carbon Monoxide: 138.85 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:48 AM
Sunset: 8:11 PM
Daylight: 14 hrs 44 mins
Moonrise: 10:19 AM
Moon Transit: 5:53 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
5:23 PM - 7:53 PM

Minor Periods

9:49 AM - 11:19 AM
12:11 AM - 1:41 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued May 20 at 4:11PM CDT until May 21 at 1:00PM CDT by NWS Chicago IL

Effective: Wed May 20, 2026, 4:11 PM
Expires: Thu May 21, 2026, 12:15 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Thursday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 20 at 11:47PM CDT until May 21 at 1:00PM CDT by NWS Chicago IL

Effective: Wed May 20, 2026, 11:47 PM
Expires: Thu May 21, 2026, 8:00 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Thursday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 20 at 4:11PM CDT until May 21 at 10:00AM CDT by NWS Chicago IL

Effective: Wed May 20, 2026, 4:11 PM
Expires: Thu May 21, 2026, 12:15 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake County IN. * WHEN...Through Thursday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 20 at 11:47PM CDT until May 21 at 10:00AM CDT by NWS Chicago IL

Effective: Wed May 20, 2026, 11:47 PM
Expires: Thu May 21, 2026, 8:00 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake County IN. * WHEN...Until 10 AM CDT Thursday. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Thursday, May 21, 2026

Weather Forecast

Sunny
67.1°F
47.2°F
56.4°F
57%
0 in
0%
0%
12.5 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.46 μg/m3
PM10: 4.59 μg/m3
Carbon Monoxide: 142.66 μg/m3
Nitrogen Dioxide: 9.5 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 69.88 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:48 AM
Sunset: 8:11 PM
Daylight: 14 hrs 44 mins
Moonrise: 10:19 AM
Moon Transit: 5:53 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
5:23 PM - 7:53 PM

Minor Periods

9:49 AM - 11:19 AM
12:11 AM - 1:41 AM

Action Rating: 4 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
58.4°F
52.4°F
55.6°F
70%
0.12 in
89%
0%
11.2 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 7.26 μg/m3
PM10: 7.38 μg/m3
Carbon Monoxide: 181.58 μg/m3
Nitrogen Dioxide: 17.29 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 58.84 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:48 AM
Sunset: 8:12 PM
Daylight: 14 hrs 46 mins
Moonrise: 11:34 AM
Moon Transit: 6:43 PM
Moonset: 1:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
6:13 PM - 8:43 PM

Minor Periods

11:04 AM - 12:34 AM
12:43 AM - 2:13 AM

Action Rating: 2 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
70.2°F
53.6°F
59.4°F
84%
0.03 in
86%
0%
8.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 7.7 μg/m3
PM10: 7.74 μg/m3
Carbon Monoxide: 237.08 μg/m3
Nitrogen Dioxide: 25.9 μg/m3
Sulphur Dioxide: 4.14 μg/m3
Ozone: 27.46 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:49 AM
Sunset: 8:13 PM
Daylight: 14 hrs 48 mins
Moonrise: 12:45 AM
Moon Transit: 7:29 PM
Moonset: 1:39 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:53 AM - 9:23 AM
6:59 PM - 9:29 PM

Minor Periods

12:15 AM - 1:45 PM
1:09 AM - 2:39 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Patchy rain nearby
79.8°F
63.8°F
70.8°F
85%
0.05 in
89%
0%
12.3 mph
5


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: 5:25 AM
Sun Transit: 12:49 AM
Sunset: 8:14 PM
Daylight: 14 hrs 49 mins
Moonrise: 1:53 PM
Moon Transit: 8:13 PM
Moonset: 2:02 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
7:43 PM - 10:13 PM

Minor Periods

1:23 PM - 2:53 PM
1:32 AM - 3:02 AM

Action Rating: 2 out of 5

Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
68.1°F
65.6°F
67.2°F
94%
0.09 in
87%
0%
6.7 mph
4


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: 5:24 AM
Sun Transit: 12:49 AM
Sunset: 8:15 PM
Daylight: 14 hrs 51 mins
Moonrise: 2:58 PM
Moon Transit: 8:55 PM
Moonset: 2:23 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

8:20 AM - 10:50 AM
8:25 PM - 10:55 PM

Minor Periods

2:28 PM - 3:58 PM
1:53 AM - 3:23 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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