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

Current Water Temperature

32.0°F

Measurement Time: Thursday, October 16, 2025, 12:01 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

59.7°F
Overcast
Conditions: Overcast
Humidity: 78%
Feels Like: 59.7°F
Wind: E 5.4 mph
Wind Gusts: 7.5 mph
Pressure: 30.21 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Thu
H: 70°F
L: 52°F
Overcast
Fri
H: 71°F
L: 55°F
Heavy rain
Sat
H: 72°F
L: 60°F
Moderate rain
Sun
H: 58°F
L: 47°F
Sunny
Mon
H: 67°F
L: 48°F

Air Quality

PM2.5: 6.75 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 377.85 μg/m3
Nitrogen Dioxide: 21.55 μg/m3
Sulphur Dioxide: 6.25 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:36 AM
Sunset: 6:07 PM
Daylight: 11 hrs 3 mins
Moonrise: 2:03 AM
Moon Transit: 9:12 AM
Moonset: 4:09 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
9:23 PM - 11:53 PM

Minor Periods

3:39 PM - 5:09 PM
1:33 AM - 3:03 AM

Action Rating: 2 out of 5

Thursday, October 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.5°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 6.06 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 254.69 μg/m3
Nitrogen Dioxide: 18.95 μg/m3
Sulphur Dioxide: 5.51 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:36 AM
Sunset: 6:07 PM
Daylight: 11 hrs 3 mins
Moonrise: 2:03 AM
Moon Transit: 9:12 AM
Moonset: 4:09 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
9:23 PM - 11:53 PM

Minor Periods

3:39 PM - 5:09 PM
1:33 AM - 3:03 AM

Action Rating: 2 out of 5

Friday, October 17, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 62.2°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 6.91 μg/m3
PM10: 7 μg/m3
Carbon Monoxide: 222.25 μg/m3
Nitrogen Dioxide: 21.02 μg/m3
Sulphur Dioxide: 8.49 μg/m3
Ozone: 56.28 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:35 AM
Sunset: 6:06 PM
Daylight: 11 hrs mins
Moonrise: 3:10 AM
Moon Transit: 9:55 AM
Moonset: 4:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:25 AM - 11:55 AM

Minor Periods

4:00 PM - 5:30 PM
2:40 AM - 4:10 AM

Action Rating: 2 out of 5

Saturday, October 18, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 64.4°F
Average Humidity: 76%
Chance of Rain: 87%
Wind: 17 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 8.21 μg/m3
PM10: 8.29 μg/m3
Carbon Monoxide: 189.61 μg/m3
Nitrogen Dioxide: 12.77 μg/m3
Sulphur Dioxide: 9.09 μg/m3
Ozone: 79.12 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:35 AM
Sunset: 6:04 PM
Daylight: 10 hrs 58 mins
Moonrise: 4:15 AM
Moon Transit: 10:37 AM
Moonset: 4:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:07 AM - 12:37 AM

Minor Periods

4:19 PM - 5:49 PM
3:45 AM - 5:15 AM

Action Rating: 3 out of 5

Sunday, October 19, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 55.1°F
Average Humidity: 65%
Chance of Rain: 71%
Wind: 21 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 7.93 μg/m3
PM10: 8.06 μg/m3
Carbon Monoxide: 169.23 μg/m3
Nitrogen Dioxide: 10.61 μg/m3
Sulphur Dioxide: 3.1 μg/m3
Ozone: 84.92 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:35 AM
Sunset: 6:03 PM
Daylight: 10 hrs 55 mins
Moonrise: 5:17 AM
Moon Transit: 11:17 AM
Moonset: 5:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:47 AM - 1:17 PM

Minor Periods

4:37 PM - 6:07 PM
4:47 AM - 6:17 AM

Action Rating: 3 out of 5

Monday, October 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 54.4°F
Average Humidity: 36%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 0

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: 7:09 AM
Sun Transit: 12:35 AM
Sunset: 6:01 PM
Daylight: 10 hrs 53 mins
Moonrise: 6:20 AM
Moon Transit: 11:57 AM
Moonset: 5:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:27 AM - 1:57 PM

Minor Periods

4:56 PM - 6:26 PM
5:50 AM - 7:20 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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