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

Current Water Temperature

32.0°F

Measurement Time: Friday, September 11, 2026, 10:08 AM 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

79°F
Sunny
Sunny
43%
ESE 10 mph
55°F

Weather Forecast

Mostly Sunny
This Afternoon
81°F - Mostly Sunny
Partly Cloudy
Tonight
66°F - Partly Cloudy
Mostly Sunny
Saturday
86°F - Mostly Sunny
Partly Cloudy
Saturday Night
66°F - Partly Cloudy
Mostly Sunny then Chance Rain Showers
Sunday
77°F - Mostly Sunny then Chance Rain Showers
Chance Rain Showers
Sunday Night
60°F - Chance Rain Showers
Slight Chance Rain Showers
Monday
75°F - Slight Chance Rain Showers
Mostly Cloudy
Monday Night
67°F - Mostly Cloudy
Showers And Thunderstorms Likely
Tuesday
86°F - Showers And Thunderstorms Likely
Showers And Thunderstorms
Tuesday Night
67°F - Showers And Thunderstorms
Showers And Thunderstorms
Wednesday
76°F - Showers And Thunderstorms
Showers And Thunderstorms Likely
Wednesday Night
65°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Thursday
77°F - Showers And Thunderstorms Likely
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Thursday Night
62°F - Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:27 AM
Sun Transit: 12:47 AM
Sunset: 7:07 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:59 AM
Moon Transit: 1:12 PM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:42 AM - 3:12 PM

Minor Periods

6:43 PM - 8:13 PM
6:29 AM - 7:59 AM

Action Rating: 5 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: 6:27 AM
Sun Transit: 12:47 AM
Sunset: 7:07 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:59 AM
Moon Transit: 1:12 PM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:42 AM - 3:12 PM

Minor Periods

6:43 PM - 8:13 PM
6:29 AM - 7:59 AM

Action Rating: 5 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: 6:27 AM
Sun Transit: 12:47 AM
Sunset: 7:07 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:59 AM
Moon Transit: 1:12 PM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:42 AM - 3:12 PM

Minor Periods

6:43 PM - 8:13 PM
6:29 AM - 7:59 AM

Action Rating: 5 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: 6:28 AM
Sun Transit: 12:46 AM
Sunset: 7:05 PM
Daylight: 12 hrs 37 mins
Moonrise: 8:09 AM
Moon Transit: 1:57 PM
Moonset: 7:35 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
1:27 PM - 3:57 PM

Minor Periods

7:05 PM - 8:35 PM
7:39 AM - 9:09 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: 6:28 AM
Sun Transit: 12:46 AM
Sunset: 7:05 PM
Daylight: 12 hrs 37 mins
Moonrise: 8:09 AM
Moon Transit: 1:57 PM
Moonset: 7:35 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
1:27 PM - 3:57 PM

Minor Periods

7:05 PM - 8:35 PM
7:39 AM - 9:09 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: 6:29 AM
Sun Transit: 12:46 AM
Sunset: 7:03 PM
Daylight: 12 hrs 34 mins
Moonrise: 9:17 AM
Moon Transit: 2:42 PM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
2:12 PM - 4:42 PM

Minor Periods

7:28 PM - 8:58 PM
8:47 AM - 10:17 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: 6:29 AM
Sun Transit: 12:46 AM
Sunset: 7:03 PM
Daylight: 12 hrs 34 mins
Moonrise: 9:17 AM
Moon Transit: 2:42 PM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
2:12 PM - 4:42 PM

Minor Periods

7:28 PM - 8:58 PM
8:47 AM - 10:17 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: 6:30 AM
Sun Transit: 12:46 AM
Sunset: 7:02 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:25 AM
Moon Transit: 3:28 PM
Moonset: 8:24 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
2:58 PM - 5:28 PM

Minor Periods

7:54 PM - 9:24 PM
9:55 AM - 11:25 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: 6:30 AM
Sun Transit: 12:46 AM
Sunset: 7:02 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:25 AM
Moon Transit: 3:28 PM
Moonset: 8:24 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
2:58 PM - 5:28 PM

Minor Periods

7:54 PM - 9:24 PM
9:55 AM - 11:25 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: 6:31 AM
Sun Transit: 12:45 AM
Sunset: 7:00 PM
Daylight: 12 hrs 29 mins
Moonrise: 11:32 AM
Moon Transit: 4:15 PM
Moonset: 8:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

3:41 AM - 6:11 AM
3:45 PM - 6:15 PM

Minor Periods

8:24 PM - 9:54 PM
11:02 AM - 12:32 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: 6:31 AM
Sun Transit: 12:45 AM
Sunset: 7:00 PM
Daylight: 12 hrs 29 mins
Moonrise: 11:32 AM
Moon Transit: 4:15 PM
Moonset: 8:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

3:41 AM - 6:11 AM
3:45 PM - 6:15 PM

Minor Periods

8:24 PM - 9:54 PM
11:02 AM - 12:32 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: 6:32 AM
Sun Transit: 12:45 AM
Sunset: 6:58 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:37 AM
Moon Transit: 5:05 PM
Moonset: 9:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
4:35 PM - 7:05 PM

Minor Periods

8:59 PM - 10:29 PM
12:07 AM - 1:37 PM

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: 6:32 AM
Sun Transit: 12:45 AM
Sunset: 6:58 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:37 AM
Moon Transit: 5:05 PM
Moonset: 9:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
4:35 PM - 7:05 PM

Minor Periods

8:59 PM - 10:29 PM
12:07 AM - 1:37 PM

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: 6:33 AM
Sun Transit: 12:45 AM
Sunset: 6:56 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:38 PM
Moon Transit: 5:56 PM
Moonset: 10:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

5:19 AM - 7:49 AM
5:26 PM - 7:56 PM

Minor Periods

9:42 PM - 11:12 PM
1:08 PM - 2:38 PM

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: 6:33 AM
Sun Transit: 12:45 AM
Sunset: 6:56 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:38 PM
Moon Transit: 5:56 PM
Moonset: 10:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

5:19 AM - 7:49 AM
5:26 PM - 7:56 PM

Minor Periods

9:42 PM - 11:12 PM
1:08 PM - 2:38 PM

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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