Water Temperature of the Cal-Sag Channel in Blue Island, IL

Current Water Temperature

32.0°F

Measurement Time: Sunday, October 5, 2025, 4:32 AM CDT

Temperature Locations

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Local Points of Interest

Calumet-Saganashkee Channel; Little Calumet River

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Cal-Sag Channel

Station Name: CALUMET SAG CHANNEL AT BLUE ISLAND, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 597 feet / 182 meters

Nearest Address:
13198 Division St
Blue Island, IL 60406
Cook County

GPS Coordinates: 41.65281186, -87.670326

Nearby Water Temperatures

Grand Calumet River, Chicago, IL (5.6 mi)
Grand Calumet River, Hammond, IN (9.1 mi)
Indiana Harbor Canal, East Chicago, IN (10.4 mi)
Hart Ditch, Munster, IN (11.7 mi)
Chicago River, Chicago, IL (12.8 mi)
Plum Creek, Dyer, IN (13.0 mi)
Little Calumet River, Gary, IN (15.1 mi)
Lake Michigan, Chicago, IL (17.4 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (20.1 mi)
Deep River, Lake Station, IN (20.3 mi)
Des Plaines River, Lockport, IL (21.8 mi)
Des Plaines River, Joliet, IL (22.8 mi)
Des Plaines River, Rockdale, IL (24.9 mi)
Des Plaines River, Channahon, IL (32.6 mi)
Lake Michigan, Wilmette, IL (33.3 mi)

Weather for Blue Island, Illinois

Current Weather

72°F
Sunny
Conditions: Sunny
Humidity: 55%
Feels Like: 76.2°F
Wind: SSW 9.6 mph
Wind Gusts: 11.7 mph
Pressure: 30.13 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 1

Five Day Weather Forecast

Sunny
Sun
H: 89°F
L: 63°F
Patchy rain nearby
Mon
H: 88°F
L: 63°F
Heavy rain
Tue
H: 68°F
L: 62°F
Sunny
Wed
H: 69°F
L: 56°F
Sunny
Thu
H: 69°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 158.85 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 128 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:38 AM
Sunset: 6:25 PM
Daylight: 11 hrs 33 mins
Moonrise: 5:40 PM
Moon Transit: 12:00 AM
Moonset: 4:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:10 PM - 6:40 PM
4:25 AM - 5:55 AM

Action Rating: 3 out of 5

Special Weather Statement issued October 5 at 3:18AM CDT by NWS Chicago IL

Effective: Sun October 5, 2025, 3:18 AM
Expires: Sun October 5, 2025, 6:00 PM

Southwest winds gusting up to 30 mph, unseasonably warm temperatures, low relative humidities, and dry vegetation will result in a heightened risk of grass, brush, and field fires this afternoon. Any fires that ignite may become difficult to control due to the strong winds and dry conditions. Outdoor burning is strongly discouraged. Please heed any local burn bans. Take care to prevent the start of accidental fires when handling cigarettes or operating vehicles and farm equipment around dry vegetation or crops. Additionally, the gusty winds may cause dust from harvesting activities to be blown around, resulting in localized sharp visibility reductions. Motorists are advised to use caution when driving near farmland, particularly on east-west roads in open areas.


Sunday, October 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 75.1°F
Average Humidity: 51%
Chance of Rain: 0%
Wind: 13.6 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 8.87 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 190.17 μg/m3
Nitrogen Dioxide: 11.14 μg/m3
Sulphur Dioxide: 8.71 μg/m3
Ozone: 98.08 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:38 AM
Sunset: 6:25 PM
Daylight: 11 hrs 33 mins
Moonrise: 5:40 PM
Moon Transit: 12:00 AM
Moonset: 4:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:10 PM - 6:40 PM
4:25 AM - 5:55 AM

Action Rating: 3 out of 5

Monday, October 6, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 73.5°F
Average Humidity: 68%
Chance of Rain: 89%
Wind: 8.9 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 6.06 μg/m3
PM10: 6.54 μg/m3
Carbon Monoxide: 164.57 μg/m3
Nitrogen Dioxide: 9.89 μg/m3
Sulphur Dioxide: 6.22 μg/m3
Ozone: 83.44 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:38 AM
Sunset: 6:24 PM
Daylight: 11 hrs 30 mins
Moonrise: 6:03 PM
Moon Transit: 12:38 AM
Moonset: 6:11 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
12:08 AM - 2:38 AM

Minor Periods

5:33 PM - 7:03 PM
5:41 AM - 7:11 AM

Action Rating: 4 out of 5

Tuesday, October 7, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 64.9°F
Average Humidity: 75%
Chance of Rain: 89%
Wind: 9.2 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 7.19 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 193.73 μg/m3
Nitrogen Dioxide: 16.71 μg/m3
Sulphur Dioxide: 4.68 μg/m3
Ozone: 66.96 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:38 AM
Sunset: 6:22 PM
Daylight: 11 hrs 28 mins
Moonrise: 6:29 PM
Moon Transit: 12:38 AM
Moonset: 7:29 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
12:54 AM - 3:24 PM

Minor Periods

5:59 PM - 7:29 PM
6:59 AM - 8:29 AM

Action Rating: 5 out of 5

Wednesday, October 8, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 62.4°F
Average Humidity: 47%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 8.37 μg/m3
PM10: 8.48 μg/m3
Carbon Monoxide: 234.73 μg/m3
Nitrogen Dioxide: 23.09 μg/m3
Sulphur Dioxide: 5.22 μg/m3
Ozone: 62.96 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:38 AM
Sunset: 6:20 PM
Daylight: 11 hrs 25 mins
Moonrise: 6:59 PM
Moon Transit: 1:31 AM
Moonset: 8:50 AM
Moon Phase: Full
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:48 PM - 4:18 PM

Minor Periods

6:29 PM - 7:59 PM
8:20 AM - 9:50 AM

Action Rating: 4 out of 5

Thursday, October 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.2°F
Average Humidity: 48%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.09 μg/m3
PM10: 5.13 μg/m3
Carbon Monoxide: 205.47 μg/m3
Nitrogen Dioxide: 15.37 μg/m3
Sulphur Dioxide: 3.83 μg/m3
Ozone: 64.92 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:37 AM
Sunset: 6:19 PM
Daylight: 11 hrs 22 mins
Moonrise: 7:36 PM
Moon Transit: 2:28 AM
Moonset: 10:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
2:47 PM - 5:17 PM

Minor Periods

7:06 PM - 8:36 PM
9:43 AM - 11:13 AM

Action Rating: 2 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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