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

Current Water Temperature

32.0°F

Measurement Time: Saturday, July 18, 2026, 12:48 PM 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
Partly cloudy
Partly cloudy
96.5°F
88.1°F
67%
NNE 9.8 mph
11.4 mph
80.6°F
76.3°F
0 in
50%
9 mi
1011 mbar
1.9

Five Day Weather Forecast

Sunny
Sat
H: 95°F
L: 70°F
Sunny
Sun
H: 84°F
L: 66°F
Sunny
Mon
H: 83°F
L: 65°F
Patchy rain nearby
Tue
H: 86°F
L: 69°F
Partly Cloudy
Wed
H: 72°F
L: 61°F

Air Quality

AQI: 2 - Moderate
PM2.5: 8.1 μg/m3
PM10: 8.4 μg/m3
Carbon Monoxide: 151 μg/m3
Nitrogen Dioxide: 5.2 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 116 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:57 AM
Sunset: 8:22 PM
Daylight: 14 hrs 50 mins
Moonrise: 10:31 AM
Moon Transit: 4:45 PM
Moonset: 10:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
4:15 PM - 6:45 PM

Minor Periods

10:19 PM - 11:49 PM
10:01 AM - 11:31 AM

Action Rating: 2 out of 5

Air Quality Alert issued July 18 at 12:13AM CDT by NWS Chicago IL

Effective: Sat July 18, 2026, 12:13 AM
Expires: Sun July 19, 2026, 12:15 AM

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect until midnight CDT Monday night. An Air Quality Action Day for ozone and PM 2.5 has been issued. A combination of fine particulate and ozone levels are expected to be in the Unhealthy for Sensitive Groups range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure. Due to observed and forecasted high concentrations of PM2.5 readings in the area, recommendations are for the public to avoid or limit outdoor exposure to wildfire smoke, reduce or avoid exertion or heavy work outdoors and keep windows and doors closed as much as possible. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/


Saturday, July 18, 2026

Weather Forecast

Sunny
94.5°F
70.3°F
80.5°F
79%
0.48 in
72%
0%
13 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 11 μg/m3
PM10: 11.43 μg/m3
Carbon Monoxide: 183.75 μg/m3
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 102.38 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:57 AM
Sunset: 8:22 PM
Daylight: 14 hrs 50 mins
Moonrise: 10:31 AM
Moon Transit: 4:45 PM
Moonset: 10:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
4:15 PM - 6:45 PM

Minor Periods

10:19 PM - 11:49 PM
10:01 AM - 11:31 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
84.2°F
66.4°F
75.1°F
57%
0 in
3%
0%
8.5 mph
6.3


Air Quality

AQI: 2 - Moderate
PM2.5: 19.47 μg/m3
PM10: 19.72 μg/m3
Carbon Monoxide: 257.38 μg/m3
Nitrogen Dioxide: 7.25 μg/m3
Sulphur Dioxide: 3 μg/m3
Ozone: 111.33 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:57 AM
Sunset: 8:21 PM
Daylight: 14 hrs 48 mins
Moonrise: 11:39 AM
Moon Transit: 5:29 PM
Moonset: 11:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
4:59 PM - 7:29 PM

Minor Periods

12:00 AM - 12:00 AM
11:09 AM - 12:39 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
82.8°F
65.1°F
74.6°F
72%
0.04 in
41%
0%
11 mph
4.9


Air Quality

AQI: 1 - Good
PM2.5: 13.15 μg/m3
PM10: 13.24 μg/m3
Carbon Monoxide: 281.46 μg/m3
Nitrogen Dioxide: 14.02 μg/m3
Sulphur Dioxide: 4.6 μg/m3
Ozone: 94.38 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:57 AM
Sunset: 8:20 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:45 AM
Moon Transit: 6:12 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
5:42 PM - 8:12 PM

Minor Periods

12:15 AM - 1:45 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, July 21, 2026

Weather Forecast

Patchy rain nearby
86.3°F
69°F
78°F
73%
0.24 in
70%
0%
13.2 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 5.94 μg/m3
PM10: 6.09 μg/m3
Carbon Monoxide: 141.24 μg/m3
Nitrogen Dioxide: 6.38 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 101.38 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:57 AM
Sunset: 8:19 PM
Daylight: 14 hrs 45 mins
Moonrise: 1:50 PM
Moon Transit: 6:56 PM
Moonset: 12:31 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
6:26 PM - 8:56 PM

Minor Periods

1:20 PM - 2:50 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Partly Cloudy
71.7°F
60.6°F
66.5°F
61%
0.02 in
36%
0%
10.7 mph
5.2


Air Quality

AQI: 2 - Moderate
PM2.5: 23.59 μg/m3
PM10: 24.36 μg/m3
Carbon Monoxide: 405.88 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 90.13 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:57 AM
Sunset: 8:18 PM
Daylight: 14 hrs 43 mins
Moonrise: 2:56 PM
Moon Transit: 7:42 PM
Moonset: 12:55 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
7:12 PM - 9:42 PM

Minor Periods

2:26 PM - 3:56 PM
12:00 AM - 12:00 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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