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

Current Water Temperature

68.9°F

Measurement Time: Tuesday, May 26, 2026, 7:00 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

80.8°F
Sunny
Sunny
78°F
89.4°F
37%
SSE 5.8 mph
6.7 mph
92.3°F
49.1°F
0 in
0%
9 mi
1018 mbar
6.8

Five Day Weather Forecast

Sunny
Tue
H: 94°F
L: 62°F
Sunny
Wed
H: 86°F
L: 64°F
Sunny
Thu
H: 71°F
L: 55°F
Sunny
Fri
H: 79°F
L: 52°F
Sunny
Sat
H: 78°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 12.45 μg/m3
PM10: 13.55 μg/m3
Carbon Monoxide: 195.85 μg/m3
Nitrogen Dioxide: 11.75 μg/m3
Sulphur Dioxide: 5.55 μg/m3
Ozone: 109 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:49 AM
Sunset: 8:16 PM
Daylight: 14 hrs 52 mins
Moonrise: 4:02 PM
Moon Transit: 9:36 PM
Moonset: 2:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

9:02 AM - 11:32 AM
9:06 PM - 11:36 PM

Minor Periods

3:32 PM - 5:02 PM
2:12 AM - 3:42 AM

Action Rating: 2 out of 5

Air Quality Alert issued May 26 at 11:16AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue May 26, 2026, 11:16 AM
Expires: Thu May 28, 2026, 12:00 AM

The Illinois Environmental Protection Agency has determined that an Air Pollution Action Day will be declared for the greater Chicago Metropolitan Area through Wednesday Night. A Chicago area Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are expected to be at or above the Unhealthy for Sensitive Groups category of the Air Quality Index for multiple days. Ozone is expected to be the primary pollutant of concern. Active children and adults, especially people with pulmonary or respiratory disease such as asthma, should limit prolonged outdoor activity. Area residents are urged to reduce pollution levels. Air quality forecasts, current air quality, and tips on how you can reduce your emissions can be found at www.airnow.gov. Media contact...Illinois EPA.


Air Quality Alert issued May 26 at 11:16AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue May 26, 2026, 11:16 AM
Expires: Thu May 28, 2026, 12:00 AM

An Air Quality Action Day has been forecast for Northwest Indiana for elevated ozone levels and is IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CDT WEDNESDAY NIGHT. Ozone Levels are expected to be at unhealthy levels for sensitive groups. For additional information...please visit the IDEM SMOG Watch web site at www.SmogWatch.IN.gov or the EPA AIRNOW web site at www.airnow.gov and click on Indiana.


Air Quality Alert issued May 26 at 10:09AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue May 26, 2026, 10:09 AM
Expires: Thu May 28, 2026, 12:00 AM

An Air Quality Action Day has been forecast for Northwest Indiana for elevated ozone levels and is IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CDT WEDNESDAY NIGHT. Ozone Levels are expected to be at unhealthy levels for sensitive groups. For additional information...please visit the IDEM SMOG Watch web site at www.SmogWatch.IN.gov or the EPA AIRNOW web site at www.airnow.gov and click on Indiana.


Tuesday, May 26, 2026

Weather Forecast

Sunny
93.9°F
61.5°F
77.3°F
37%
0 in
0%
0%
6.3 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 11.05 μg/m3
PM10: 11.91 μg/m3
Carbon Monoxide: 175.45 μg/m3
Nitrogen Dioxide: 17.03 μg/m3
Sulphur Dioxide: 4.26 μg/m3
Ozone: 77.12 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:49 AM
Sunset: 8:16 PM
Daylight: 14 hrs 52 mins
Moonrise: 4:02 PM
Moon Transit: 9:36 PM
Moonset: 2:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

9:02 AM - 11:32 AM
9:06 PM - 11:36 PM

Minor Periods

3:32 PM - 5:02 PM
2:12 AM - 3:42 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Sunny
85.5°F
63.9°F
73.2°F
53%
0 in
0%
0%
8.9 mph
8.5


Air Quality

AQI: 2 - Moderate
PM2.5: 17.15 μg/m3
PM10: 18.38 μg/m3
Carbon Monoxide: 231.17 μg/m3
Nitrogen Dioxide: 29.47 μg/m3
Sulphur Dioxide: 4.95 μg/m3
Ozone: 74.92 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:49 AM
Sunset: 8:17 PM
Daylight: 14 hrs 54 mins
Moonrise: 5:05 PM
Moon Transit: 10:19 PM
Moonset: 3:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:44 AM - 12:14 AM
12:00 AM - 12:00 AM

Minor Periods

4:35 PM - 6:05 PM
2:33 AM - 4:03 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Sunny
70.7°F
54.9°F
62.7°F
58%
0 in
0%
0%
12.8 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 9.54 μg/m3
PM10: 10.17 μg/m3
Carbon Monoxide: 134.97 μg/m3
Nitrogen Dioxide: 12.22 μg/m3
Sulphur Dioxide: 3.28 μg/m3
Ozone: 86.36 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:49 AM
Sunset: 8:17 PM
Daylight: 14 hrs 55 mins
Moonrise: 6:10 PM
Moon Transit: 11:04 PM
Moonset: 3:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

10:27 AM - 12:57 AM
12:00 AM - 12:00 AM

Minor Periods

5:40 PM - 7:10 PM
2:55 AM - 4:25 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
79.2°F
52.2°F
65.4°F
54%
0 in
0%
0%
7.6 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 9.59 μg/m3
PM10: 9.93 μg/m3
Carbon Monoxide: 154.96 μg/m3
Nitrogen Dioxide: 17.5 μg/m3
Sulphur Dioxide: 4.48 μg/m3
Ozone: 76.6 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:49 AM
Sunset: 8:18 PM
Daylight: 14 hrs 57 mins
Moonrise: 7:14 PM
Moon Transit: 11:51 PM
Moonset: 3:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

11:13 AM - 1:43 PM
12:00 AM - 12:00 AM

Minor Periods

6:44 PM - 8:14 PM
3:22 AM - 4:52 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Sunny
78.3°F
52.2°F
66.6°F
50%
0 in
0%
0%
11.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.76 μg/m3
PM10: 8.26 μg/m3
Carbon Monoxide: 168.8 μg/m3
Nitrogen Dioxide: 17.43 μg/m3
Sulphur Dioxide: 3.67 μg/m3
Ozone: 72.62 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:49 AM
Sunset: 8:19 PM
Daylight: 14 hrs 58 mins
Moonrise: 8:17 PM
Moon Transit: 12:00 AM
Moonset: 4:23 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:01 AM - 2:31 PM

Minor Periods

7:47 PM - 9:17 PM
3:53 AM - 5:23 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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