Water Temperature of the Grand Calumet River in Chicago, IL

Current Water Temperature

32.8°F

Measurement Time: Sunday, January 21, 2024, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Burnham, IL; O'Brien Marsh; Hegewisch Marsh

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Grand Calumet River

Station Name: Burnham - O'Brien L&D 1
Data Source: USGS

Elevation Above Sea Level: 587 feet / 179 meters

Nearest Address:
13500 S Hoxie Ave
Chicago, IL 60633
Cook County

GPS Coordinates: 41.65, -87.5611

Nearby Water Temperatures

Grand Calumet River, Hammond, IN (3.8 mi)
Indiana Harbor Canal, East Chicago, IN (4.8 mi)
Cal-Sag Channel, Blue Island, IL (5.6 mi)
Hart Ditch, Munster, IN (7.4 mi)
Little Calumet River, Gary, IN (10.1 mi)
Plum Creek, Dyer, IN (10.2 mi)
Chicago River, Chicago, IL (14.4 mi)
Deep River, Lake Station, IN (14.9 mi)
Lake Michigan, Chicago, IL (16.7 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (25.7 mi)
Des Plaines River, Lockport, IL (27.3 mi)
Des Plaines River, Joliet, IL (28.1 mi)
Des Plaines River, Rockdale, IL (30.1 mi)
Lake Michigan, Wilmette, IL (33.9 mi)
Kankakee River, Shelby, IN (34.2 mi)

Weather for Chicago, Illinois

Current Weather

81.5°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 49%
Feels Like: 84.4°F
Wind: NE 7.8 mph
Wind Gusts: 9 mph
Pressure: 30.23 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 5.1

Five Day Weather Forecast

Partly Cloudy
Tue
H: 83°F
L: 66°F
Cloudy
Wed
H: 86°F
L: 71°F
Mist
Thu
H: 86°F
L: 68°F
Heavy rain
Fri
H: 93°F
L: 71°F
Patchy rain nearby
Sat
H: 94°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 42.74 μg/m3
PM10: 42.74 μg/m3
Carbon Monoxide: 643.8 μg/m3
Nitrogen Dioxide: 19.24 μg/m3
Sulphur Dioxide: 6.66 μg/m3
Ozone: 153 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:56 AM
Sunset: 8:03 PM
Daylight: 14 hrs 14 mins
Moonrise: 6:01 PM
Moon Transit: 10:14 PM
Moonset: 1:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

9:37 AM - 12:07 AM
12:00 AM - 12:00 AM

Minor Periods

5:31 PM - 7:01 PM
1:03 AM - 2:33 AM

Action Rating: 2 out of 5

Air Quality Alert issued August 5 at 12:16AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue August 5, 2025, 12:16 AM
Expires: Wed August 6, 2025, 12:00 AM

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect for today, Tuesday, August 5th. An Air Quality Action Day for fine particulates from wildfire smoke has been issued. Fine particulate levels are expected to be in the Unhealthy for Sensitive Groups 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 August 5 at 12:16AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue August 5, 2025, 12:16 AM
Expires: Wed August 6, 2025, 12:00 AM

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect for today, Tuesday, August 5th. An Air Quality Action Day for fine particulates from wildfire smoke has been issued. Fine particulate levels are expected to be in the Unhealthy for Sensitive Groups 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 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

he officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect through today, Tuesday, August 5th. An Air Quality Action Day for fine particulates from wildfire smoke has been issued. Fine particulate levels are expected to be in the Unhealthy for Sensitive Groups 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 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: 73.8°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 37.82 μg/m3
PM10: 37.96 μg/m3
Carbon Monoxide: 571.5 μg/m3
Nitrogen Dioxide: 24.3 μg/m3
Sulphur Dioxide: 12.61 μg/m3
Ozone: 118.28 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:56 AM
Sunset: 8:03 PM
Daylight: 14 hrs 14 mins
Moonrise: 6:01 PM
Moon Transit: 10:14 PM
Moonset: 1:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

9:37 AM - 12:07 AM
12:00 AM - 12:00 AM

Minor Periods

5:31 PM - 7:01 PM
1:03 AM - 2:33 AM

Action Rating: 2 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 76.5°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 4.9 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 36.02 μg/m3
PM10: 36.21 μg/m3
Carbon Monoxide: 600.88 μg/m3
Nitrogen Dioxide: 22.18 μg/m3
Sulphur Dioxide: 10.39 μg/m3
Ozone: 130 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:56 AM
Sunset: 8:02 PM
Daylight: 14 hrs 12 mins
Moonrise: 6:49 PM
Moon Transit: 11:09 PM
Moonset: 2:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

10:32 AM - 1:02 PM
12:00 AM - 12:00 AM

Minor Periods

6:19 PM - 7:49 PM
2:00 AM - 3:30 AM

Action Rating: 3 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 77.6°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 27.57 μg/m3
PM10: 28.15 μg/m3
Carbon Monoxide: 634.25 μg/m3
Nitrogen Dioxide: 26.78 μg/m3
Sulphur Dioxide: 11.13 μg/m3
Ozone: 122.96 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:56 AM
Sunset: 8:00 PM
Daylight: 14 hrs 9 mins
Moonrise: 7:28 PM
Moon Transit: 12:00 AM
Moonset: 3:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:26 AM - 1:56 PM

Minor Periods

6:58 PM - 8:28 PM
3:04 AM - 4:34 AM

Action Rating: 3 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 78.9°F
Average Humidity: 77%
Chance of Rain: 88%
Wind: 12.5 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 21.39 μg/m3
PM10: 21.82 μg/m3
Carbon Monoxide: 563.95 μg/m3
Nitrogen Dioxide: 26.87 μg/m3
Sulphur Dioxide: 11.32 μg/m3
Ozone: 124.44 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:55 AM
Sunset: 7:59 PM
Daylight: 14 hrs 7 mins
Moonrise: 8:00 PM
Moon Transit: 12:03 AM
Moonset: 4:46 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:19 AM - 2:49 PM

Minor Periods

7:30 PM - 9:00 PM
4:16 AM - 5:46 AM

Action Rating: 5 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.7°F
Average Humidity: 63%
Chance of Rain: 71%
Wind: 13.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 14.4 μg/m3
PM10: 14.64 μg/m3
Carbon Monoxide: 519.85 μg/m3
Nitrogen Dioxide: 29.34 μg/m3
Sulphur Dioxide: 11.37 μg/m3
Ozone: 93.54 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:55 AM
Sunset: 7:58 PM
Daylight: 14 hrs 5 mins
Moonrise: 8:28 PM
Moon Transit: 12:54 AM
Moonset: 5:59 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
1:10 PM - 3:40 PM

Minor Periods

7:58 PM - 9:28 PM
5:29 AM - 6:59 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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