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

Current Water Temperature

32.0°F

Measurement Time: Wednesday, September 16, 2026, 1:11 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

69°F
Rain Showers
Rain Showers
91%
NE 5 mph
66°F

Weather Forecast

Rain Showers
Today
74°F - Rain Showers
Chance Showers And Thunderstorms
Tonight
68°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday
77°F - Chance Showers And Thunderstorms
Mostly Cloudy
Thursday Night
66°F - Mostly Cloudy
Partly Sunny
Friday
76°F - Partly Sunny
Mostly Cloudy then Chance Showers And Thunderstorms
Friday Night
65°F - Mostly Cloudy then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Saturday
82°F - Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers And Thunderstorms
Saturday Night
66°F - Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday
74°F - Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Sunday Night
62°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Monday
74°F - Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Monday Night
61°F - Chance Showers And Thunderstorms
Chance Rain Showers
Tuesday
74°F - Chance Rain Showers
Chance Rain Showers
Tuesday Night
62°F - Chance Rain Showers

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: 6:32 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

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: 6:34 AM
Sun Transit: 12:44 AM
Sunset: 6:55 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:33 PM
Moon Transit: 6:47 PM
Moonset: 11:03 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
6:17 PM - 8:47 PM

Minor Periods

12:00 AM - 12:00 AM
2:03 PM - 3:33 PM

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: 6:34 AM
Sun Transit: 12:44 AM
Sunset: 6:55 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:33 PM
Moon Transit: 6:47 PM
Moonset: 11:03 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
6:17 PM - 8:47 PM

Minor Periods

12:00 AM - 12:00 AM
2:03 PM - 3:33 PM

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: 6:35 AM
Sun Transit: 12:44 AM
Sunset: 6:53 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:20 PM
Moon Transit: 7:38 PM
Moonset: 12:03 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

7:02 AM - 9:32 AM
7:08 PM - 9:38 PM

Minor Periods

2:50 PM - 4:20 PM
12:00 AM - 12:00 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: 6:35 AM
Sun Transit: 12:44 AM
Sunset: 6:53 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:20 PM
Moon Transit: 7:38 PM
Moonset: 12:03 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

7:02 AM - 9:32 AM
7:08 PM - 9:38 PM

Minor Periods

2:50 PM - 4:20 PM
12:00 AM - 12:00 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: 6:36 AM
Sun Transit: 12:44 AM
Sunset: 6:51 PM
Daylight: 12 hrs 15 mins
Moonrise: 4:00 PM
Moon Transit: 8:28 PM
Moonset: 12:00 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

7:53 AM - 10:23 AM
7:58 PM - 10:28 PM

Minor Periods

3:30 PM - 5:00 PM
12:00 AM - 12:00 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: 6:36 AM
Sun Transit: 12:44 AM
Sunset: 6:51 PM
Daylight: 12 hrs 15 mins
Moonrise: 4:00 PM
Moon Transit: 8:28 PM
Moonset: 12:00 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

7:53 AM - 10:23 AM
7:58 PM - 10:28 PM

Minor Periods

3:30 PM - 5:00 PM
12:00 AM - 12:00 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: 6:37 AM
Sun Transit: 12:43 AM
Sunset: 6:50 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:33 PM
Moon Transit: 9:16 PM
Moonset: 1:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
8:46 PM - 11:16 PM

Minor Periods

4:03 PM - 5:33 PM
12:32 AM - 2:02 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: 6:37 AM
Sun Transit: 12:43 AM
Sunset: 6:50 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:33 PM
Moon Transit: 9:16 PM
Moonset: 1:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
8:46 PM - 11:16 PM

Minor Periods

4:03 PM - 5:33 PM
12:32 AM - 2:02 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: 6:38 AM
Sun Transit: 12:43 AM
Sunset: 6:48 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:01 PM
Moon Transit: 10:02 PM
Moonset: 2:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:30 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

4:31 PM - 6:01 PM
1:38 AM - 3:08 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: 6:38 AM
Sun Transit: 12:43 AM
Sunset: 6:48 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:01 PM
Moon Transit: 10:02 PM
Moonset: 2:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

9:30 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

4:31 PM - 6:01 PM
1:38 AM - 3:08 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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