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

Current Water Temperature

32.0°F

Measurement Time: Friday, July 10, 2026, 5:20 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

73.9°F
Partly cloudy
Partly cloudy
77.8°F
75.9°F
64%
NE 4.5 mph
6.8 mph
71.1°F
67°F
0 in
75%
9 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 88°F
L: 71°F
Sunny
Sat
H: 87°F
L: 68°F
Sunny
Sun
H: 84°F
L: 67°F
Sunny
Mon
H: 91°F
L: 67°F
Sunny
Tue
H: 93°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 3 μg/m3
PM10: 3.1 μg/m3
Carbon Monoxide: 144 μg/m3
Nitrogen Dioxide: 9.9 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:56 AM
Sunset: 8:26 PM
Daylight: 15 hrs 1 mins
Moonrise: 1:16 AM
Moon Transit: 9:00 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
9:20 PM - 11:50 PM

Minor Periods

4:28 PM - 5:58 PM
12:46 AM - 2:16 AM

Action Rating: 2 out of 5

Special Weather Statement issued July 10 at 2:53PM CDT by NWS Chicago IL

Effective: Fri July 10, 2026, 2:53 PM
Expires: Fri July 10, 2026, 6:00 PM

Atmospheric conditions are favorable for the development of funnel clouds. These funnel clouds protrude downward from the parent cloud, rotate or spin like a top, and last a few minutes before dissipating. The atmospheric conditions that these funnel clouds develop in do not support strong, damaging tornadoes. However, these funnels can briefly touch the ground and produce very minimal damage. If threatening weather approaches, move indoors to a place of safety. The National Weather Service will continue to closely monitor the situation.


Special Weather Statement issued July 10 at 5:53PM CDT by NWS Chicago IL

Effective: Fri July 10, 2026, 5:53 PM
Expires: Fri July 10, 2026, 8:30 PM

Atmospheric conditions are favorable for the development of funnel clouds. These funnel clouds protrude downward from the parent cloud, rotate or spin like a top, and last a few minutes before dissipating. The atmospheric conditions that these funnel clouds develop in do not support strong, damaging tornadoes. However, these funnels can briefly touch the ground and produce very minimal damage. If threatening weather approaches, move indoors to a place of safety. The National Weather Service will continue to closely monitor the situation.
Friday, July 10, 2026

Weather Forecast

Sunny
88.3°F
70.9°F
76.7°F
80%
0.01 in
26%
0%
7.8 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 7.11 μg/m3
PM10: 7.39 μg/m3
Carbon Monoxide: 165.75 μg/m3
Nitrogen Dioxide: 12.17 μg/m3
Sulphur Dioxide: 2.74 μg/m3
Ozone: 94.54 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:56 AM
Sunset: 8:26 PM
Daylight: 15 hrs 1 mins
Moonrise: 1:16 AM
Moon Transit: 9:00 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
9:20 PM - 11:50 PM

Minor Periods

4:28 PM - 5:58 PM
12:46 AM - 2:16 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Sunny
86.5°F
67.6°F
75.6°F
72%
0 in
6%
0%
10.1 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 6.37 μg/m3
PM10: 6.71 μg/m3
Carbon Monoxide: 143.5 μg/m3
Nitrogen Dioxide: 7.75 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 84.21 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:56 AM
Sunset: 8:26 PM
Daylight: 15 hrs mins
Moonrise: 2:00 AM
Moon Transit: 10:03 AM
Moonset: 6:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:33 AM - 12:03 AM

Minor Periods

5:45 PM - 7:15 PM
1:30 AM - 3:00 AM

Action Rating: 2 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
83.7°F
67.2°F
75.4°F
58%
0 in
3%
0%
9.8 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 8.97 μg/m3
PM10: 9.27 μg/m3
Carbon Monoxide: 148.88 μg/m3
Nitrogen Dioxide: 10.29 μg/m3
Sulphur Dioxide: 3.04 μg/m3
Ozone: 91.58 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:56 AM
Sunset: 8:25 PM
Daylight: 14 hrs 58 mins
Moonrise: 2:56 AM
Moon Transit: 11:09 AM
Moonset: 7:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:39 AM - 1:09 PM

Minor Periods

6:53 PM - 8:23 PM
2:26 AM - 3:56 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Sunny
90.6°F
66.7°F
78.7°F
48%
0 in
1%
0%
2.7 mph
9.1


Air Quality

AQI: 2 - Moderate
PM2.5: 16.81 μg/m3
PM10: 17.31 μg/m3
Carbon Monoxide: 165.5 μg/m3
Nitrogen Dioxide: 23.39 μg/m3
Sulphur Dioxide: 4.9 μg/m3
Ozone: 100.71 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:56 AM
Sunset: 8:25 PM
Daylight: 14 hrs 57 mins
Moonrise: 4:06 AM
Moon Transit: 12:16 AM
Moonset: 8:19 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:46 AM - 2:16 PM

Minor Periods

7:49 PM - 9:19 PM
3:36 AM - 5:06 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
93°F
71.5°F
82.3°F
66%
0 in
4%
0%
8.1 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 13.5 μg/m3
PM10: 13.94 μg/m3
Carbon Monoxide: 220.07 μg/m3
Nitrogen Dioxide: 16.4 μg/m3
Sulphur Dioxide: 4.1 μg/m3
Ozone: 114.5 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:56 AM
Sunset: 8:24 PM
Daylight: 14 hrs 56 mins
Moonrise: 5:24 AM
Moon Transit: 1:20 PM
Moonset: 9:02 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:50 AM - 3:20 PM

Minor Periods

8:32 PM - 10:02 PM
4:54 AM - 6:24 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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