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

Current Water Temperature

77.4°F

Measurement Time: Tuesday, July 15, 2025, 8:00 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 / 177 meters

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 (5.0 mi)
Des Plaines River, Joliet, IL (7.3 mi)
Des Plaines River, Rockdale, IL (10.0 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

87.8°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 59%
Feels Like: 95.4°F
Wind: S 7.8 mph
Wind Gusts: 9 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 8.7

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 91°F
L: 66°F
Moderate rain
Wed
H: 91°F
L: 72°F
Overcast
Thu
H: 67°F
L: 64°F
Partly Cloudy
Fri
H: 80°F
L: 54°F
Heavy rain
Sat
H: 84°F
L: 62°F

Air Quality

AQI: 2 - Moderate
PM2.5: 16.84 μg/m3
PM10: 17.76 μg/m3
Carbon Monoxide: 360.75 μg/m3
Nitrogen Dioxide: 11.84 μg/m3
Sulphur Dioxide: 6.66 μg/m3
Ozone: 137 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:58 AM
Sunset: 8:25 PM
Daylight: 14 hrs 54 mins
Moonrise: 11:11 PM
Moon Transit: 4:38 AM
Moonset: 10:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

4:08 AM - 6:38 AM
12:00 AM - 12:00 AM

Minor Periods

12:00 AM - 12:00 AM
10:10 AM - 11:40 AM

Action Rating: 2 out of 5

Air Quality Alert issued July 14 at 10:11PM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon July 14, 2025, 10:11 PM
Expires: Wed July 16, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday July 15th for the greater Chicago metropolitan area. A Chicago area "Air Pollution Action Day" is declared when weather conditions are such that widespread ozone and or particular levels are expected to be at or above the Unhealthy for Sensitive Groups (USG) category of the Air Quality Index (AQI) 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 July 14 at 10:11PM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon July 14, 2025, 10:11 PM
Expires: Wed July 16, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday July 15th for the greater Chicago metropolitan area. A Chicago area "Air Pollution Action Day" is declared when weather conditions are such that widespread ozone and or particular levels are expected to be at or above the Unhealthy for Sensitive Groups (USG) category of the Air Quality Index (AQI) 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 July 15 at 11:42AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue July 15, 2025, 11:42 AM
Expires: Wed July 16, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Wednesday July 16th 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 (UGS) category of the Air Quality Index (AQI) 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 July 15 at 10:38AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue July 15, 2025, 10:38 AM
Expires: Wed July 16, 2025, 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 and is IN EFFECT UNTIL MIDNIGHT CDT TONIGHT. An 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. 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 July 14 at 10:11PM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon July 14, 2025, 10:11 PM
Expires: Wed July 16, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday July 15th for the greater Chicago metropolitan area. A Chicago area "Air Pollution Action Day" is declared when weather conditions are such that widespread ozone and or particular levels are expected to be at or above the Unhealthy for Sensitive Groups (USG) category of the Air Quality Index (AQI) 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.


Tuesday, July 15, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 77.8°F
Average Humidity: 79%
Chance of Rain: 77%
Wind: 9.4 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 32.54 μg/m3
PM10: 33.42 μg/m3
Carbon Monoxide: 585.49 μg/m3
Nitrogen Dioxide: 31.49 μg/m3
Sulphur Dioxide: 12.47 μg/m3
Ozone: 114.16 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:58 AM
Sunset: 8:25 PM
Daylight: 14 hrs 54 mins
Moonrise: 11:11 PM
Moon Transit: 4:38 AM
Moonset: 10:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

4:08 AM - 6:38 AM
12:00 AM - 12:00 AM

Minor Periods

12:00 AM - 12:00 AM
10:10 AM - 11:40 AM

Action Rating: 2 out of 5

Wednesday, July 16, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 79.2°F
Average Humidity: 88%
Chance of Rain: 89%
Wind: 11 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 15.07 μg/m3
PM10: 15.5 μg/m3
Carbon Monoxide: 350.61 μg/m3
Nitrogen Dioxide: 17.03 μg/m3
Sulphur Dioxide: 5.71 μg/m3
Ozone: 115.32 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:58 AM
Sunset: 8:24 PM
Daylight: 14 hrs 52 mins
Moonrise: 12:11 AM
Moon Transit: 12:15 AM
Moonset: 11:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

11:21 AM - 12:51 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 17, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 66.4°F
Average Humidity: 85%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 7.93 μg/m3
PM10: 8.3 μg/m3
Carbon Monoxide: 333.81 μg/m3
Nitrogen Dioxide: 16.69 μg/m3
Sulphur Dioxide: 5.74 μg/m3
Ozone: 89.2 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:58 AM
Sunset: 8:24 PM
Daylight: 14 hrs 51 mins
Moonrise: 12:33 AM
Moon Transit: 6:12 AM
Moonset: 1:05 PM
Moon Phase: Last Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
6:22 PM - 8:52 PM

Minor Periods

12:35 AM - 2:05 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Friday, July 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 66.8°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 10.32 μg/m3
PM10: 10.45 μg/m3
Carbon Monoxide: 329.15 μg/m3
Nitrogen Dioxide: 17.25 μg/m3
Sulphur Dioxide: 9.47 μg/m3
Ozone: 76.36 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:58 AM
Sunset: 8:23 PM
Daylight: 14 hrs 49 mins
Moonrise: 12:58 AM
Moon Transit: 7:01 AM
Moonset: 2:21 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:31 AM - 9:01 AM
7:14 PM - 9:44 PM

Minor Periods

1:51 PM - 3:21 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, July 19, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 72°F
Average Humidity: 79%
Chance of Rain: 83%
Wind: 12.5 mph
UV Index: 0.1

Air Quality

AQI: 2 - Moderate
PM2.5: 24.08 μg/m3
PM10: 24.25 μg/m3
Carbon Monoxide: 525.83 μg/m3
Nitrogen Dioxide: 40.84 μg/m3
Sulphur Dioxide: 14.17 μg/m3
Ozone: 68.38 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 48 mins
Moonrise: 12:26 AM
Moon Transit: 7:55 AM
Moonset: 3:39 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:25 AM - 9:55 AM
8:10 PM - 10:40 PM

Minor Periods

3:09 PM - 4:39 PM
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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