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

Current Water Temperature

32.0°F

Measurement Time: Monday, February 16, 2026, 11:33 PM CST

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

43°F
Overcast
Overcast
41.8°F
43.5°F
82%
E 2.9 mph
6.1 mph
40.7°F
37.6°F
0 in
100%
9 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 69°F
L: 41°F
Cloudy
Wed
H: 66°F
L: 46°F
Moderate rain
Thu
H: 49°F
L: 38°F
Patchy rain nearby
Fri
H: 44°F
L: 34°F
Sunny
Sat
H: 42°F
L: 31°F

Air Quality

AQI: 1 - Good
PM2.5: 17.25 μg/m3
PM10: 17.35 μg/m3
Carbon Monoxide: 304.85 μg/m3
Nitrogen Dioxide: 21.75 μg/m3
Sulphur Dioxide: 10.05 μg/m3
Ozone: 35 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:04 AM
Sunset: 5:27 PM
Daylight: 10 hrs 43 mins
Moonrise: 6:54 AM
Moon Transit: 12:17 AM
Moonset: 5:52 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:47 AM - 2:17 PM

Minor Periods

5:22 PM - 6:52 PM
6:24 AM - 7:54 AM

Action Rating: 5 out of 5

Tuesday, February 17, 2026

Weather Forecast

Sunny
68.5°F
40.6°F
49.1°F
77%
0 in
0%
0%
14.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 12.47 μg/m3
PM10: 12.61 μg/m3
Carbon Monoxide: 262.21 μg/m3
Nitrogen Dioxide: 19.7 μg/m3
Sulphur Dioxide: 7.43 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:04 AM
Sunset: 5:27 PM
Daylight: 10 hrs 43 mins
Moonrise: 6:54 AM
Moon Transit: 12:17 AM
Moonset: 5:52 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:47 AM - 2:17 PM

Minor Periods

5:22 PM - 6:52 PM
6:24 AM - 7:54 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Cloudy
65.8°F
46.4°F
53.8°F
69%
0 in
0%
0%
15.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 8.37 μg/m3
PM10: 8.53 μg/m3
Carbon Monoxide: 197.57 μg/m3
Nitrogen Dioxide: 9.7 μg/m3
Sulphur Dioxide: 4.81 μg/m3
Ozone: 72.72 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:04 AM
Sunset: 5:28 PM
Daylight: 10 hrs 46 mins
Moonrise: 7:16 AM
Moon Transit: 12:00 AM
Moonset: 7:02 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:30 AM - 3:00 AM

Minor Periods

6:32 PM - 8:02 PM
6:46 AM - 8:16 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Moderate rain
48.6°F
38.1°F
45°F
86%
0.46 in
86%
0%
9.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 7.87 μg/m3
PM10: 8.4 μg/m3
Carbon Monoxide: 270.93 μg/m3
Nitrogen Dioxide: 25.51 μg/m3
Sulphur Dioxide: 5.79 μg/m3
Ozone: 49.72 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:04 AM
Sunset: 5:29 PM
Daylight: 10 hrs 48 mins
Moonrise: 7:38 AM
Moon Transit: 3:07 PM
Moonset: 8:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

1:15 AM - 3:45 AM
2:37 PM - 5:07 PM

Minor Periods

7:43 PM - 9:13 PM
7:08 AM - 8:38 AM

Action Rating: 4 out of 5

Friday, February 20, 2026

Weather Forecast

Patchy rain nearby
44.2°F
34.4°F
41.9°F
61%
0.15 in
84%
0%
19 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 7.31 μg/m3
PM10: 7.57 μg/m3
Carbon Monoxide: 211.06 μg/m3
Nitrogen Dioxide: 14.93 μg/m3
Sulphur Dioxide: 5 μg/m3
Ozone: 50.36 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:04 AM
Sunset: 5:30 PM
Daylight: 10 hrs 51 mins
Moonrise: 8:00 AM
Moon Transit: 2:35 PM
Moonset: 9:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:05 PM - 4:35 PM

Minor Periods

8:55 PM - 10:25 PM
7:30 AM - 9:00 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Sunny
41.8°F
30.7°F
33.9°F
59%
0 in
0%
0%
8.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.6 μg/m3
PM10: 6.67 μg/m3
Carbon Monoxide: 231.3 μg/m3
Nitrogen Dioxide: 19.42 μg/m3
Sulphur Dioxide: 5.09 μg/m3
Ozone: 50.38 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:04 AM
Sunset: 5:31 PM
Daylight: 10 hrs 54 mins
Moonrise: 8:24 AM
Moon Transit: 3:24 PM
Moonset: 10:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
2:54 PM - 5:24 PM

Minor Periods

10:10 PM - 11:40 PM
7:54 AM - 9:24 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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