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

Current Water Temperature

32.0°F

Measurement Time: Thursday, June 25, 2026, 6:27 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

75°F
Partly cloudy
Partly cloudy
78°F
77.6°F
58%
W 8.3 mph
9.6 mph
75.4°F
64.9°F
0 in
50%
9 mi
1014 mbar
6.6

Five Day Weather Forecast

Sunny
Thu
H: 85°F
L: 61°F
Patchy rain nearby
Fri
H: 67°F
L: 60°F
Sunny
Sat
H: 79°F
L: 58°F
Patchy rain nearby
Sun
H: 86°F
L: 63°F
Sunny
Mon
H: 93°F
L: 73°F

Air Quality

PM2.5: 9.1 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 136 μg/m3
Nitrogen Dioxide: 6.6 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:53 AM
Sunset: 8:29 PM
Daylight: 15 hrs 12 mins
Moonrise: 5:05 PM
Moon Transit: 9:46 PM
Moonset: 1:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

9:12 AM - 11:42 AM
9:16 PM - 11:46 PM

Minor Periods

4:35 PM - 6:05 PM
1:23 AM - 2:53 AM

Action Rating: 2 out of 5

Flood Warning issued June 25 at 3:53AM CDT until June 25 at 5:49PM CDT by NWS Chicago IL

Effective: Thu June 25, 2026, 3:53 AM
Expires: Thu June 25, 2026, 6:00 PM

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. * WHAT...Minor flooding likely. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...From early this morning to late this afternoon. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 3:30 AM CDT Thursday the stage was 8.7 feet. - Forecast...The river is expected to crest just above flood stage this morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by this evening.


Flood Warning issued June 24 at 10:56PM CDT until June 26 at 7:00AM CDT by NWS Chicago IL

Effective: Wed June 24, 2026, 10:56 PM
Expires: Thu June 25, 2026, 5:00 PM

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Indiana...Illinois... Little Calumet River at Munster (Hohman Avenue) affecting Cook and Lake IN Counties. * WHAT...Near flood stage water levels likely. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...From this evening to Friday morning. * IMPACTS...At 10.0 feet, Water overflows low-lying river banks outside of the levee-protected area in Hammond and Munster. At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 10:00 PM CDT Wednesday the stage was 11.0 feet. - Forecast...The river is expected to near flood stage overnight tonight. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.


Thursday, June 25, 2026

Weather Forecast

Sunny
84.6°F
61.3°F
70.8°F
76%
0 in
8%
0%
11.6 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 10.4 μg/m3
PM10: 10.64 μg/m3
Carbon Monoxide: 143.04 μg/m3
Nitrogen Dioxide: 10.71 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 75.96 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:53 AM
Sunset: 8:29 PM
Daylight: 15 hrs 12 mins
Moonrise: 5:05 PM
Moon Transit: 9:46 PM
Moonset: 1:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

9:12 AM - 11:42 AM
9:16 PM - 11:46 PM

Minor Periods

4:35 PM - 6:05 PM
1:23 AM - 2:53 AM

Action Rating: 2 out of 5

Friday, June 26, 2026

Weather Forecast

Patchy rain nearby
66.9°F
60.2°F
63.1°F
81%
0.03 in
47%
0%
8.5 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 6.59 μg/m3
PM10: 6.63 μg/m3
Carbon Monoxide: 142 μg/m3
Nitrogen Dioxide: 8.58 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 93.33 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:53 AM
Sunset: 8:30 PM
Daylight: 15 hrs 12 mins
Moonrise: 6:08 PM
Moon Transit: 10:35 PM
Moonset: 2:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

9:59 AM - 12:29 AM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
1:53 AM - 3:23 AM

Action Rating: 2 out of 5

Saturday, June 27, 2026

Weather Forecast

Sunny
79°F
57.8°F
68.4°F
67%
0 in
5%
0%
7.6 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 7.08 μg/m3
PM10: 7.18 μg/m3
Carbon Monoxide: 142 μg/m3
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 2.96 μg/m3
Ozone: 95.88 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:53 AM
Sunset: 8:30 PM
Daylight: 15 hrs 11 mins
Moonrise: 7:08 PM
Moon Transit: 11:25 PM
Moonset: 2:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

10:49 AM - 1:19 PM
12:00 AM - 12:00 AM

Minor Periods

6:38 PM - 8:08 PM
2:28 AM - 3:58 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Patchy rain nearby
85.8°F
63.3°F
75.1°F
71%
0.02 in
36%
0%
10.5 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 5.36 μg/m3
PM10: 5.73 μg/m3
Carbon Monoxide: 148 μg/m3
Nitrogen Dioxide: 9.27 μg/m3
Sulphur Dioxide: 3.2 μg/m3
Ozone: 76.25 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:54 AM
Sunset: 8:29 PM
Daylight: 15 hrs 11 mins
Moonrise: 8:02 PM
Moon Transit: 12:00 AM
Moonset: 3:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:40 AM - 2:10 PM

Minor Periods

7:32 PM - 9:02 PM
3:11 AM - 4:41 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
93.1°F
73.4°F
83°F
72%
0 in
7%
0%
11.4 mph
0.6


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:54 AM
Sunset: 8:29 PM
Daylight: 15 hrs 10 mins
Moonrise: 8:49 PM
Moon Transit: 12:16 AM
Moonset: 4:33 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:31 AM - 3:01 PM

Minor Periods

8:19 PM - 9:49 PM
4:03 AM - 5:33 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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