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

Current Water Temperature

32.0°F

Measurement Time: Tuesday, May 12, 2026, 6:27 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

64.6°F
Clear
Clear
64.6°F
58.4°F
68%
WNW 10.7 mph
17.9 mph
56.9°F
49.1°F
0 in
0%
9 mi
1010 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 85°F
L: 40°F
Overcast
Wed
H: 54°F
L: 48°F
Sunny
Thu
H: 67°F
L: 45°F
Moderate rain
Fri
H: 71°F
L: 52°F
Patchy rain nearby
Sat
H: 87°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 163.85 μg/m3
Nitrogen Dioxide: 11.95 μg/m3
Sulphur Dioxide: 3.85 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:47 AM
Sunset: 8:01 PM
Daylight: 14 hrs 27 mins
Moonrise: 3:04 AM
Moon Transit: 8:41 PM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

8:11 PM - 10:41 PM
8:11 PM - 10:41 PM

Minor Periods

2:50 PM - 4:20 PM
2:34 AM - 4:04 AM

Action Rating: 4 out of 5

Blowing Dust Advisory issued May 12 at 9:36AM CDT until May 12 at 7:00PM CDT by NWS Chicago IL

Effective: Tue May 12, 2026, 9:36 AM
Expires: Tue May 12, 2026, 7:00 PM

* WHAT...Patchy blowing dust with localized visibility of one mile or less expected. The blowing dust will occur near open agricultural areas. * WHERE...In Illinois, Livingston, Ford, Iroquois, La Salle, Grundy, Kankakee, and Southern Will Counties. In Indiana, Benton, Jasper, and Newton Counties. * WHEN...Until 7 PM CDT /8 PM EDT/ this evening. * IMPACTS...Locally reduced visibility may lead to locally hazardous driving conditions.

Visibility could vary rapidly over short distances. Slow down and exercise caution driving in open areas this afternoon.
Tuesday, May 12, 2026

Weather Forecast

Patchy rain nearby
84.6°F
39.7°F
59.1°F
59%
0.03 in
83%
0%
15.9 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 6.18 μg/m3
PM10: 6.52 μg/m3
Carbon Monoxide: 172.45 μg/m3
Nitrogen Dioxide: 10.72 μg/m3
Sulphur Dioxide: 3.77 μg/m3
Ozone: 78.8 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:47 AM
Sunset: 8:01 PM
Daylight: 14 hrs 27 mins
Moonrise: 3:04 AM
Moon Transit: 8:41 PM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

8:11 PM - 10:41 PM
8:11 PM - 10:41 PM

Minor Periods

2:50 PM - 4:20 PM
2:34 AM - 4:04 AM

Action Rating: 4 out of 5

Wednesday, May 13, 2026

Weather Forecast

Overcast
54.3°F
48.3°F
52.1°F
65%
0 in
0%
0%
13 mph
4.6


Air Quality

AQI: 1 - Good
PM2.5: 5.38 μg/m3
PM10: 5.8 μg/m3
Carbon Monoxide: 171.57 μg/m3
Nitrogen Dioxide: 8.89 μg/m3
Sulphur Dioxide: 2.94 μg/m3
Ozone: 86.84 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:47 AM
Sunset: 8:02 PM
Daylight: 14 hrs 29 mins
Moonrise: 3:26 AM
Moon Transit: 12:00 AM
Moonset: 4:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

4:03 PM - 5:33 PM
2:56 AM - 4:26 AM

Action Rating: 2 out of 5

Thursday, May 14, 2026

Weather Forecast

Sunny
66.7°F
44.6°F
54.9°F
49%
0 in
0%
0%
6.9 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 5.73 μg/m3
PM10: 6.26 μg/m3
Carbon Monoxide: 183.09 μg/m3
Nitrogen Dioxide: 11.87 μg/m3
Sulphur Dioxide: 3.73 μg/m3
Ozone: 73.96 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:47 AM
Sunset: 8:03 PM
Daylight: 14 hrs 31 mins
Moonrise: 3:50 AM
Moon Transit: 10:42 AM
Moonset: 5:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:12 AM - 12:42 AM

Minor Periods

5:19 PM - 6:49 PM
3:20 AM - 4:50 AM

Action Rating: 2 out of 5

Friday, May 15, 2026

Weather Forecast

Moderate rain
71.2°F
51.9°F
60.8°F
71%
0.37 in
86%
0%
15.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.78 μg/m3
PM10: 7.25 μg/m3
Carbon Monoxide: 189.27 μg/m3
Nitrogen Dioxide: 12.42 μg/m3
Sulphur Dioxide: 5.37 μg/m3
Ozone: 75.96 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:47 AM
Sunset: 8:04 PM
Daylight: 14 hrs 33 mins
Moonrise: 4:18 AM
Moon Transit: 11:36 AM
Moonset: 7:10 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:06 AM - 1:36 PM

Minor Periods

6:40 PM - 8:10 PM
3:48 AM - 5:18 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Patchy rain nearby
87.1°F
60.9°F
74°F
55%
0.02 in
81%
0%
7.8 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 8.97 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 210.7 μg/m3
Nitrogen Dioxide: 14.11 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 88.69 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:47 AM
Sunset: 8:05 PM
Daylight: 14 hrs 35 mins
Moonrise: 4:52 AM
Moon Transit: 12:35 AM
Moonset: 8:33 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:03 PM - 9:33 PM
4:22 AM - 5:52 AM

Action Rating: 5 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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