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

Current Water Temperature

32.0°F

Measurement Time: Monday, October 5, 2026, 8:49 PM CDT

Temperature Locations

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Local Points of Interest

Calumet-Saganashkee Channel; Little Calumet River

Cal-Sag Channel

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

Elevation Above Sea Level: 597 feet

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 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

51°F
Clear
Clear
81%
SE 5 mph
46°F

Weather Forecast

Mostly Clear
Overnight
49°F - Mostly Clear
Sunny
Tuesday
73°F - Sunny
Partly Cloudy
Tuesday Night
57°F - Partly Cloudy
Mostly Sunny
Wednesday
76°F - Mostly Sunny
Partly Cloudy
Wednesday Night
54°F - Partly Cloudy
Sunny
Thursday
68°F - Sunny
Mostly Clear
Thursday Night
49°F - Mostly Clear
Sunny
Friday
70°F - Sunny
Mostly Clear
Friday Night
55°F - Mostly Clear
Sunny
Saturday
78°F - Sunny
Partly Cloudy
Saturday Night
60°F - Partly Cloudy
Mostly Sunny
Sunday
80°F - Mostly Sunny
Partly Cloudy
Sunday Night
58°F - Partly Cloudy
Mostly Sunny then Slight Chance Rain Showers
Columbus Day
72°F - Mostly Sunny then Slight Chance Rain Showers

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:38 AM
Sunset: 6:24 PM
Daylight: 11 hrs 31 mins
Moonrise: 2:18 AM
Moon Transit: 9:31 AM
Moonset: 4:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:01 AM - 11:31 AM

Minor Periods

4:01 PM - 5:31 PM
1:48 AM - 3:18 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:38 AM
Sunset: 6:24 PM
Daylight: 11 hrs 31 mins
Moonrise: 2:18 AM
Moon Transit: 9:31 AM
Moonset: 4:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:01 AM - 11:31 AM

Minor Periods

4:01 PM - 5:31 PM
1:48 AM - 3:18 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:38 AM
Sunset: 6:24 PM
Daylight: 11 hrs 31 mins
Moonrise: 2:18 AM
Moon Transit: 9:31 AM
Moonset: 4:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:01 AM - 11:31 AM

Minor Periods

4:01 PM - 5:31 PM
1:48 AM - 3:18 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:38 AM
Sunset: 6:24 PM
Daylight: 11 hrs 31 mins
Moonrise: 2:18 AM
Moon Transit: 9:31 AM
Moonset: 4:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:01 AM - 11:31 AM

Minor Periods

4:01 PM - 5:31 PM
1:48 AM - 3:18 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:38 AM
Sunset: 6:22 PM
Daylight: 11 hrs 28 mins
Moonrise: 3:31 AM
Moon Transit: 10:19 AM
Moonset: 4:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:49 AM - 12:19 AM

Minor Periods

4:25 PM - 5:55 PM
3:01 AM - 4:31 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:38 AM
Sunset: 6:22 PM
Daylight: 11 hrs 28 mins
Moonrise: 3:31 AM
Moon Transit: 10:19 AM
Moonset: 4:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:49 AM - 12:19 AM

Minor Periods

4:25 PM - 5:55 PM
3:01 AM - 4:31 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:38 AM
Sunset: 6:21 PM
Daylight: 11 hrs 25 mins
Moonrise: 4:42 AM
Moon Transit: 11:05 AM
Moonset: 5:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:35 AM - 1:05 PM

Minor Periods

4:46 PM - 6:16 PM
4:12 AM - 5:42 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:38 AM
Sunset: 6:21 PM
Daylight: 11 hrs 25 mins
Moonrise: 4:42 AM
Moon Transit: 11:05 AM
Moonset: 5:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:35 AM - 1:05 PM

Minor Periods

4:46 PM - 6:16 PM
4:12 AM - 5:42 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:37 AM
Sunset: 6:19 PM
Daylight: 11 hrs 23 mins
Moonrise: 5:51 AM
Moon Transit: 11:50 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:20 AM - 1:50 PM

Minor Periods

5:08 PM - 6:38 PM
5:21 AM - 6:51 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:37 AM
Sunset: 6:19 PM
Daylight: 11 hrs 23 mins
Moonrise: 5:51 AM
Moon Transit: 11:50 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:20 AM - 1:50 PM

Minor Periods

5:08 PM - 6:38 PM
5:21 AM - 6:51 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:37 AM
Sunset: 6:17 PM
Daylight: 11 hrs 20 mins
Moonrise: 6:59 AM
Moon Transit: 12:34 AM
Moonset: 6:00 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
12:04 AM - 2:34 PM

Minor Periods

5:30 PM - 7:00 PM
6:29 AM - 7:59 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:37 AM
Sunset: 6:17 PM
Daylight: 11 hrs 20 mins
Moonrise: 6:59 AM
Moon Transit: 12:34 AM
Moonset: 6:00 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
12:04 AM - 2:34 PM

Minor Periods

5:30 PM - 7:00 PM
6:29 AM - 7:59 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:37 AM
Sunset: 6:16 PM
Daylight: 11 hrs 17 mins
Moonrise: 8:07 AM
Moon Transit: 1:20 PM
Moonset: 6:25 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
12:50 AM - 3:20 PM

Minor Periods

5:55 PM - 7:25 PM
7:37 AM - 9:07 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:37 AM
Sunset: 6:16 PM
Daylight: 11 hrs 17 mins
Moonrise: 8:07 AM
Moon Transit: 1:20 PM
Moonset: 6:25 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
12:50 AM - 3:20 PM

Minor Periods

5:55 PM - 7:25 PM
7:37 AM - 9:07 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:37 AM
Sunset: 6:14 PM
Daylight: 11 hrs 15 mins
Moonrise: 9:15 AM
Moon Transit: 2:07 PM
Moonset: 6:53 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
1:37 PM - 4:07 PM

Minor Periods

6:23 PM - 7:53 PM
8:45 AM - 10:15 AM

Action Rating: 4 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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