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

Current Water Temperature

77.2°F

Measurement Time: Tuesday, August 5, 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

80.8°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 48%
Feels Like: 81.9°F
Wind: ENE 4.3 mph
Wind Gusts: 4.9 mph
Pressure: 30.25 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 5.4

Five Day Weather Forecast

Partly Cloudy
Tue
H: 81°F
L: 64°F
Partly Cloudy
Wed
H: 84°F
L: 66°F
Cloudy
Thu
H: 85°F
L: 64°F
Heavy rain
Fri
H: 90°F
L: 70°F
Sunny
Sat
H: 91°F
L: 72°F

Air Quality

AQI: 2 - Moderate
PM2.5: 44.4 μg/m3
PM10: 44.59 μg/m3
Carbon Monoxide: 638.25 μg/m3
Nitrogen Dioxide: 27.57 μg/m3
Sulphur Dioxide: 13.51 μg/m3
Ozone: 154 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:58 AM
Sunset: 8:05 PM
Daylight: 14 hrs 14 mins
Moonrise: 6:03 PM
Moon Transit: 10:16 PM
Moonset: 1:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:33 PM - 7:03 PM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

Air Quality Alert issued August 5 at 11:56AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue August 5, 2025, 11:56 AM
Expires: Wed August 6, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Wednesday August 6th for the greater Chicago Metropolitan Area through Midnight 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 (USG) category of the Air Quality Index (AQI) for multiple days. Ozone is expected to be the primary pollutant of concern, but wildfire smoke also is lingering in the region and may impact PM2.5 and Ozone AQI 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 August 5 at 11:56AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue August 5, 2025, 11:56 AM
Expires: Wed August 6, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Wednesday August 6th for the greater Chicago Metropolitan Area through Midnight 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 (USG) category of the Air Quality Index (AQI) for multiple days. Ozone is expected to be the primary pollutant of concern, but wildfire smoke also is lingering in the region and may impact PM2.5 and Ozone AQI 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 August 5 at 11:56AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue August 5, 2025, 11:56 AM
Expires: Wed August 6, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Wednesday August 6th for the greater Chicago Metropolitan Area through Midnight 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 (USG) category of the Air Quality Index (AQI) for multiple days. Ozone is expected to be the primary pollutant of concern, but wildfire smoke also is lingering in the region and may impact PM2.5 and Ozone AQI 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 August 5 at 11:56AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue August 5, 2025, 11:56 AM
Expires: Wed August 6, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Wednesday August 6th for the greater Chicago Metropolitan Area through Midnight 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 (USG) category of the Air Quality Index (AQI) for multiple days. Ozone is expected to be the primary pollutant of concern, but wildfire smoke also is lingering in the region and may impact PM2.5 and Ozone AQI 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 August 5 at 11:56AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue August 5, 2025, 11:56 AM
Expires: Wed August 6, 2025, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Wednesday August 6th for the greater Chicago Metropolitan Area through Midnight 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 (USG) category of the Air Quality Index (AQI) for multiple days. Ozone is expected to be the primary pollutant of concern, but wildfire smoke also is lingering in the region and may impact PM2.5 and Ozone AQI 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, August 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 72.1°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 2

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 42.75 μg/m3
PM10: 42.91 μg/m3
Carbon Monoxide: 548.86 μg/m3
Nitrogen Dioxide: 30.07 μg/m3
Sulphur Dioxide: 16.55 μg/m3
Ozone: 116.12 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:58 AM
Sunset: 8:05 PM
Daylight: 14 hrs 14 mins
Moonrise: 6:03 PM
Moon Transit: 10:16 PM
Moonset: 1:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:33 PM - 7:03 PM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 74.7°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 38.91 μg/m3
PM10: 39.15 μg/m3
Carbon Monoxide: 586.6 μg/m3
Nitrogen Dioxide: 27.52 μg/m3
Sulphur Dioxide: 13.48 μg/m3
Ozone: 124.44 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:58 AM
Sunset: 8:04 PM
Daylight: 14 hrs 12 mins
Moonrise: 6:51 PM
Moon Transit: 11:11 PM
Moonset: 2:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

10:30 AM - 1:00 PM
12:00 AM - 12:00 AM

Minor Periods

6:21 PM - 7:51 PM
2:02 AM - 3:32 AM

Action Rating: 3 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 75.4°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 26.04 μg/m3
PM10: 26.56 μg/m3
Carbon Monoxide: 475.75 μg/m3
Nitrogen Dioxide: 34.28 μg/m3
Sulphur Dioxide: 10.18 μg/m3
Ozone: 111.08 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:58 AM
Sunset: 8:02 PM
Daylight: 14 hrs 9 mins
Moonrise: 7:30 PM
Moon Transit: 12:00 AM
Moonset: 3:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:24 AM - 1:54 PM

Minor Periods

7:00 PM - 8:30 PM
3:06 AM - 4:36 AM

Action Rating: 3 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 77.5°F
Average Humidity: 82%
Chance of Rain: 85%
Wind: 12.8 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 19.48 μg/m3
PM10: 19.91 μg/m3
Carbon Monoxide: 428.53 μg/m3
Nitrogen Dioxide: 25.09 μg/m3
Sulphur Dioxide: 9.63 μg/m3
Ozone: 121.24 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 12:57 AM
Sunset: 8:01 PM
Daylight: 14 hrs 7 mins
Moonrise: 8:02 PM
Moon Transit: 12:05 AM
Moonset: 4:48 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:17 AM - 2:47 PM

Minor Periods

7:32 PM - 9:02 PM
4:18 AM - 5:48 AM

Action Rating: 5 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 80.7°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 15 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 15.75 μg/m3
PM10: 15.95 μg/m3
Carbon Monoxide: 487.12 μg/m3
Nitrogen Dioxide: 31.65 μg/m3
Sulphur Dioxide: 11.01 μg/m3
Ozone: 94.62 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:57 AM
Sunset: 8:00 PM
Daylight: 14 hrs 5 mins
Moonrise: 8:30 PM
Moon Transit: 12:57 AM
Moonset: 6:01 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:27 AM - 2:57 AM
1:08 PM - 3:38 PM

Minor Periods

8:00 PM - 9:30 PM
5:31 AM - 7:01 AM

Action Rating: 5 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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