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

Current Water Temperature

32.0°F

Measurement Time: Friday, May 22, 2026, 11:46 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

70.5°F
Overcast
Overcast
70.5°F
76.1°F
46%
ENE 10.5 mph
12.2 mph
73.6°F
51.1°F
0 in
100%
9 mi
1016 mbar
2.2

Five Day Weather Forecast

Sunny
Fri
H: 75°F
L: 51°F
Patchy rain nearby
Sat
H: 72°F
L: 56°F
Moderate rain
Sun
H: 79°F
L: 58°F
Sunny
Mon
H: 85°F
L: 57°F
Sunny
Tue
H: 88°F
L: 65°F

Air Quality

AQI: 1 - Good
PM2.5: 5.75 μg/m3
PM10: 5.85 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 11.15 μg/m3
Sulphur Dioxide: 4.05 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:47 AM
Sunset: 8:11 PM
Daylight: 14 hrs 46 mins
Moonrise: 11:32 AM
Moon Transit: 6:42 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
6:12 PM - 8:42 PM

Minor Periods

11:02 AM - 12:32 AM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued May 22 at 9:33AM CDT until May 23 at 1:00PM CDT by NWS Chicago IL

Effective: Fri May 22, 2026, 9:33 AM
Expires: Fri May 22, 2026, 5:45 PM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake IL, Northern Cook, and Central Cook Counties. * WHEN...Through Saturday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Friday, May 22, 2026

Weather Forecast

Sunny
74.7°F
51.3°F
61.9°F
60%
0 in
0%
0%
11.9 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 5.33 μg/m3
PM10: 5.51 μg/m3
Carbon Monoxide: 158.05 μg/m3
Nitrogen Dioxide: 9.73 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 75.08 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:47 AM
Sunset: 8:11 PM
Daylight: 14 hrs 46 mins
Moonrise: 11:32 AM
Moon Transit: 6:42 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
6:12 PM - 8:42 PM

Minor Periods

11:02 AM - 12:32 AM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
72.2°F
55.9°F
62.5°F
74%
0.01 in
68%
0%
8.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 5.58 μg/m3
PM10: 5.64 μg/m3
Carbon Monoxide: 179.45 μg/m3
Nitrogen Dioxide: 9.44 μg/m3
Sulphur Dioxide: 3.49 μg/m3
Ozone: 71.12 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:47 AM
Sunset: 8:11 PM
Daylight: 14 hrs 48 mins
Moonrise: 12:44 AM
Moon Transit: 7:28 PM
Moonset: 1:38 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:54 AM - 9:24 AM
6:58 PM - 9:28 PM

Minor Periods

12:14 AM - 1:44 PM
1:08 AM - 2:38 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Moderate rain
79.3°F
58.2°F
65.8°F
73%
0.36 in
85%
0%
7.6 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 7.76 μg/m3
PM10: 7.86 μg/m3
Carbon Monoxide: 175.49 μg/m3
Nitrogen Dioxide: 16.27 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 73.32 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:47 AM
Sunset: 8:12 PM
Daylight: 14 hrs 49 mins
Moonrise: 1:51 PM
Moon Transit: 8:11 PM
Moonset: 2:00 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

7:39 AM - 10:09 AM
7:41 PM - 10:11 PM

Minor Periods

1:21 PM - 2:51 PM
1:30 AM - 3:00 AM

Action Rating: 2 out of 5

Monday, May 25, 2026

Weather Forecast

Sunny
85.4°F
56.6°F
71.8°F
57%
0 in
0%
0%
9.6 mph
8.4


Air Quality

AQI: 2 - Moderate
PM2.5: 18.09 μg/m3
PM10: 18.5 μg/m3
Carbon Monoxide: 208.78 μg/m3
Nitrogen Dioxide: 23.39 μg/m3
Sulphur Dioxide: 7.71 μg/m3
Ozone: 76.8 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:47 AM
Sunset: 8:13 PM
Daylight: 14 hrs 51 mins
Moonrise: 2:56 PM
Moon Transit: 8:53 PM
Moonset: 2:21 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

8:21 AM - 10:51 AM
8:23 PM - 10:53 PM

Minor Periods

2:26 PM - 3:56 PM
1:51 AM - 3:21 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Sunny
87.9°F
64.9°F
76.6°F
58%
0 in
0%
0%
7.6 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 15.39 μg/m3
PM10: 15.79 μg/m3
Carbon Monoxide: 222.71 μg/m3
Nitrogen Dioxide: 19.65 μg/m3
Sulphur Dioxide: 4.2 μg/m3
Ozone: 71.23 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:47 AM
Sunset: 8:14 PM
Daylight: 14 hrs 52 mins
Moonrise: 4:00 PM
Moon Transit: 9:35 PM
Moonset: 2:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

9:03 AM - 11:33 AM
9:05 PM - 11:35 PM

Minor Periods

3:30 PM - 5:00 PM
2:11 AM - 3:41 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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