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

Current Water Temperature

32.0°F

Measurement Time: Wednesday, August 26, 2026, 10:41 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

84°F

Conditions: Mostly Sunny

Humidity: 56%

Wind: W 15 mph

Dew Point: 66°F

Weather Forecast

This Afternoon
84°F - Slight Chance Rain Showers

Tonight
66°F - Slight Chance Rain Showers then Mostly Clear

Thursday
81°F - Mostly Sunny

Thursday Night
63°F - Mostly Clear

Friday
81°F - Sunny

Friday Night
63°F - Partly Cloudy

Saturday
82°F - Mostly Sunny

Saturday Night
68°F - Partly Cloudy then Slight Chance Rain Showers

Sunday
87°F - Slight Chance Rain Showers then Partly Sunny

Sunday Night
72°F - Mostly Cloudy then Slight Chance Rain Showers

Monday
90°F - Slight Chance Showers And Thunderstorms

Monday Night
74°F - Mostly Cloudy then Slight Chance Showers And Thunderstorms

Tuesday
89°F - Slight Chance Showers And Thunderstorms

Tuesday Night
72°F - Partly Cloudy then Slight Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 22 mins

Moonrise: 6:59 PM
Moon Transit: 12:00 AM
Moonset: 4:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:36 AM - 2:06 PM

Minor Periods

6:29 PM - 7:59 PM
3:53 AM - 5:23 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:11 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 22 mins

Moonrise: 6:59 PM
Moon Transit: 12:00 AM
Moonset: 4:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:36 AM - 2:06 PM

Minor Periods

6:29 PM - 7:59 PM
3:53 AM - 5:23 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:11 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 22 mins

Moonrise: 6:59 PM
Moon Transit: 12:00 AM
Moonset: 4:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:36 AM - 2:06 PM

Minor Periods

6:29 PM - 7:59 PM
3:53 AM - 5:23 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:12 AM
Sun Transit: 12:52 AM
Sunset: 7:32 PM
Daylight: 13 hrs 20 mins

Moonrise: 7:22 PM
Moon Transit: 12:09 AM
Moonset: 5:29 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:21 AM - 2:51 PM

Minor Periods

6:52 PM - 8:22 PM
4:59 AM - 6:29 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:12 AM
Sun Transit: 12:52 AM
Sunset: 7:32 PM
Daylight: 13 hrs 20 mins

Moonrise: 7:22 PM
Moon Transit: 12:09 AM
Moonset: 5:29 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:21 AM - 2:51 PM

Minor Periods

6:52 PM - 8:22 PM
4:59 AM - 6:29 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:13 AM
Sun Transit: 12:51 AM
Sunset: 7:30 PM
Daylight: 13 hrs 17 mins

Moonrise: 7:43 PM
Moon Transit: 12:54 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
1:05 PM - 3:35 PM

Minor Periods

7:13 PM - 8:43 PM
6:07 AM - 7:37 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:13 AM
Sun Transit: 12:51 AM
Sunset: 7:30 PM
Daylight: 13 hrs 17 mins

Moonrise: 7:43 PM
Moon Transit: 12:54 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
1:05 PM - 3:35 PM

Minor Periods

7:13 PM - 8:43 PM
6:07 AM - 7:37 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:14 AM
Sun Transit: 12:51 AM
Sunset: 7:28 PM
Daylight: 13 hrs 15 mins

Moonrise: 8:04 PM
Moon Transit: 1:37 AM
Moonset: 7:43 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
12:00 AM - 12:00 AM

Minor Periods

7:34 PM - 9:04 PM
7:13 AM - 8:43 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:14 AM
Sun Transit: 12:51 AM
Sunset: 7:28 PM
Daylight: 13 hrs 15 mins

Moonrise: 8:04 PM
Moon Transit: 1:37 AM
Moonset: 7:43 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
12:00 AM - 12:00 AM

Minor Periods

7:34 PM - 9:04 PM
7:13 AM - 8:43 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:15 AM
Sun Transit: 12:51 AM
Sunset: 7:27 PM
Daylight: 13 hrs 12 mins

Moonrise: 8:26 PM
Moon Transit: 12:00 AM
Moonset: 8:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:33 PM - 5:03 PM

Minor Periods

7:56 PM - 9:26 PM
8:22 AM - 9:52 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:15 AM
Sun Transit: 12:51 AM
Sunset: 7:27 PM
Daylight: 13 hrs 12 mins

Moonrise: 8:26 PM
Moon Transit: 12:00 AM
Moonset: 8:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:33 PM - 5:03 PM

Minor Periods

7:56 PM - 9:26 PM
8:22 AM - 9:52 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:16 AM
Sun Transit: 12:50 AM
Sunset: 7:25 PM
Daylight: 13 hrs 9 mins

Moonrise: 8:50 PM
Moon Transit: 3:07 AM
Moonset: 10:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
3:20 PM - 5:50 PM

Minor Periods

8:20 PM - 9:50 PM
9:32 AM - 11:02 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:16 AM
Sun Transit: 12:50 AM
Sunset: 7:25 PM
Daylight: 13 hrs 9 mins

Moonrise: 8:50 PM
Moon Transit: 3:07 AM
Moonset: 10:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
3:20 PM - 5:50 PM

Minor Periods

8:20 PM - 9:50 PM
9:32 AM - 11:02 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:17 AM
Sun Transit: 12:50 AM
Sunset: 7:23 PM
Daylight: 13 hrs 7 mins

Moonrise: 9:18 PM
Moon Transit: 3:55 AM
Moonset: 11:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
4:10 PM - 6:40 PM

Minor Periods

8:48 PM - 10:18 PM
10:45 AM - 12:15 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 6:17 AM
Sun Transit: 12:50 AM
Sunset: 7:23 PM
Daylight: 13 hrs 7 mins

Moonrise: 9:18 PM
Moon Transit: 3:55 AM
Moonset: 11:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
4:10 PM - 6:40 PM

Minor Periods

8:48 PM - 10:18 PM
10:45 AM - 12:15 AM

Action Rating: 3 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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