Water Temperature of the Chicago Sanitary and Ship Canal in Romeoville, IL
Current Water Temperature
Measurement Time: Friday, July 17, 2026, 10:00 AM CDT
Temperature Locations
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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

Five Day Weather Forecast

Fri
H: 98°F
L: 74°F

Sat
H: 89°F
L: 69°F

Sun
H: 83°F
L: 66°F

Mon
H: 84°F
L: 66°F

Tue
H: 75°F
L: 63°F
Air Quality
Nitrogen Dioxide: 2.2 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 142 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:24 PM
Daylight: 14 hrs 51 mins
Moon Transit: 4:01 PM
Moonset: 10:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%
Best Times for Fishing or Hunting
Major Periods
3:24 AM - 5:54 AM3:31 PM - 6:01 PM
Minor Periods
9:59 PM - 11:29 PM8:52 AM - 10:22 AM
Action Rating: 3 out of 5
Marine Weather Statement issued July 17 at 3:06PM CDT by NWS Chicago IL
Effective: Fri July 17, 2026, 3:06 PM
Expires: Fri July 17, 2026, 4:00 PM
A Marine Weather Statement has been issued for the following areas... Nearshore Waters from Wilmette Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 303 PM CDT, Doppler radar indicated strong gust front winds up to around 30 knots from a thunderstorm. These strong winds were located along a line extending from Midway Airport to near Calumet Harbor to 8 nm south of Hammond Marina, moving northeast at 20 knots. In addition, other widely scattered thunderstorms will continue to develop across far southern Lake Michigan, any one of which, could produce localized variable and gusty winds to around 30 knots.
Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass.
Air Quality Alert issued July 17 at 2:22PM CDT by NWS Chicago IL
Effective: Fri July 17, 2026, 2:22 PM
Expires: Sat July 18, 2026, 12:00 AM
The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, which remains in effect until midnight Saturday Night. An Air Quality Action Day for smoke has been issued. Smoke levels are expected to be in the Very Unhealthy range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/
Air Quality Alert issued July 17 at 11:14AM CDT by NWS Chicago IL
Effective: Fri July 17, 2026, 11:14 AM
Expires: Sat July 18, 2026, 12:00 AM
The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, IN EFFECT UNTIL MIDNIGHT CDT SATURDAY NIGHT. An Air Quality Action Day for smoke has been issued. Smoke levels are expected to be in the Very Unhealthy range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/
Air Quality Alert issued July 17 at 4:12AM CDT by NWS Chicago IL
Effective: Fri July 17, 2026, 4:12 AM
Expires: Sat July 18, 2026, 4:15 AM
The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect until midnight tonight. An Air Quality Action Day for Wildfire Smoke and PM 2.5 has been issued. Fine particulate levels are expected to be in the Unhealthy (Red) range today. Active children and adults, and people with respiratory disease, such as asthma should avoid prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/
Air Quality Alert issued July 16 at 1:28PM CDT by NWS Chicago IL
Effective: Thu July 16, 2026, 1:28 PM
Expires: Sat July 18, 2026, 12:00 AM
The officials at the Indiana Department of Environmental Management have extended the Air Quality Action Day until midnight Friday Night. An Air Quality Action Day for Wildfire Smoke and PM 2.5 has been issued. Fine particulate levels are expected to be in the Very Unhealthy (Purple) range today and in the Unhealthy (Red) range on Friday. Active children and adults, and people with respiratory disease, such as asthma should avoid prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.85 μg/m3
Sulphur Dioxide: 3.04 μg/m3
Ozone: 92 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:24 PM
Daylight: 14 hrs 51 mins
Moon Transit: 4:01 PM
Moonset: 10:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%
Best Times for Fishing or Hunting
Major Periods
3:24 AM - 5:54 AM3:31 PM - 6:01 PM
Minor Periods
9:59 PM - 11:29 PM8:52 AM - 10:22 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.64 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 85 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:23 PM
Daylight: 14 hrs 50 mins
Moon Transit: 4:47 PM
Moonset: 10:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
4:10 AM - 6:40 AM4:17 PM - 6:47 PM
Minor Periods
10:20 PM - 11:50 PM10:03 AM - 11:33 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 11.25 μg/m3
Sulphur Dioxide: 3.19 μg/m3
Ozone: 115.54 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 48 mins
Moon Transit: 5:31 PM
Moonset: 11:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%
Best Times for Fishing or Hunting
Major Periods
4:55 AM - 7:25 AM5:01 PM - 7:31 PM
Minor Periods
12:00 AM - 12:00 AM11:10 AM - 12:40 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 11.49 μg/m3
Sulphur Dioxide: 2.94 μg/m3
Ozone: 92 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 46 mins
Moon Transit: 6:14 PM
Moonset: 12:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%
Best Times for Fishing or Hunting
Major Periods
5:38 AM - 8:08 AM5:44 PM - 8:14 PM
Minor Periods
12:17 AM - 1:47 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.43 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 88.38 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 45 mins
Moon Transit: 6:58 PM
Moonset: 12:32 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%
Best Times for Fishing or Hunting
Major Periods
6:22 AM - 8:52 AM6:28 PM - 8:58 PM
Minor Periods
1:22 PM - 2:52 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
