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

Current Water Temperature

32.0°F

Measurement Time: Saturday, August 23, 2025, 3:13 AM CDT

Temperature Locations

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Local Points of Interest

Calumet-Saganashkee Channel; Little Calumet River

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Cal-Sag Channel

Station Name: CALUMET SAG CHANNEL AT BLUE ISLAND, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 597 feet / 182 meters

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 (13.0 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°F
Overcast
Conditions: Overcast
Humidity: 78%
Feels Like: 70°F
Wind: WSW 7.6 mph
Wind Gusts: 10.5 mph
Pressure: 29.95 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0.7

Five Day Weather Forecast

Partly Cloudy
Sat
H: 86°F
L: 64°F
Mist
Sun
H: 71°F
L: 55°F
Partly Cloudy
Mon
H: 69°F
L: 55°F
Sunny
Tue
H: 75°F
L: 55°F
Sunny
Wed
H: 77°F
L: 56°F

Air Quality

AQI: 2 - Moderate
PM2.5: 18.5 μg/m3
PM10: 19.61 μg/m3
Carbon Monoxide: 314.5 μg/m3
Nitrogen Dioxide: 8.33 μg/m3
Sulphur Dioxide: 6.85 μg/m3
Ozone: 117 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:53 AM
Sunset: 7:38 PM
Daylight: 13 hrs 30 mins
Moonrise: 6:24 AM
Moon Transit: 1:17 PM
Moonset: 7:59 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
12:47 AM - 3:17 PM

Minor Periods

7:29 PM - 8:59 PM
5:54 AM - 7:24 AM

Action Rating: 5 out of 5

Beach Hazards Statement issued August 23 at 3:20AM CDT until August 24 at 10:00AM CDT by NWS Chicago IL

Effective: Sat August 23, 2025, 3:20 AM
Expires: Sat August 23, 2025, 11:30 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 5 feet expected. * WHERE...Porter County. * WHEN...From this evening through Sunday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

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


Flood Warning issued August 23 at 4:37AM CDT until August 26 at 1:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Sat August 23, 2025, 4:37 AM
Expires: Sat August 23, 2025, 4:45 PM

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Fox River Lower Near New Munster affecting Lake and Kenosha Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until early Tuesday morning. * IMPACTS...At 11.5 feet, Water is in the yards of some homes in the Village of Salem Lakes and Town of Wheatland areas, including Riverside Dr and Shorewood Dr. There are 3-4 inches of water over 77th Street in the Town of Wheatland. * ADDITIONAL DETAILS... - At 4:00 AM CDT Saturday the stage was 11.4 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 AM CDT Saturday was 11.6 feet. - Forecast...The river is expected to rise to a crest of 11.5 feet this morning. It will then fall below flood stage Monday evening. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 11.5 feet on 06/05/2002. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at 445 PM CDT.
Saturday, August 23, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 72.8°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 22.04 μg/m3
PM10: 22.64 μg/m3
Carbon Monoxide: 422.32 μg/m3
Nitrogen Dioxide: 32.35 μg/m3
Sulphur Dioxide: 8.48 μg/m3
Ozone: 82.68 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:53 AM
Sunset: 7:38 PM
Daylight: 13 hrs 30 mins
Moonrise: 6:24 AM
Moon Transit: 1:17 PM
Moonset: 7:59 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
12:47 AM - 3:17 PM

Minor Periods

7:29 PM - 8:59 PM
5:54 AM - 7:24 AM

Action Rating: 5 out of 5

Sunday, August 24, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 64.1°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 14.1 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 7.14 μg/m3
PM10: 7.16 μg/m3
Carbon Monoxide: 316.79 μg/m3
Nitrogen Dioxide: 20.23 μg/m3
Sulphur Dioxide: 6.58 μg/m3
Ozone: 63.6 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 12:52 AM
Sunset: 7:36 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:31 AM
Moon Transit: 2:00 PM
Moonset: 8:19 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:28 AM - 3:58 AM
1:30 PM - 4:00 PM

Minor Periods

7:49 PM - 9:19 PM
7:01 AM - 8:31 AM

Action Rating: 4 out of 5

Monday, August 25, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 62.9°F
Average Humidity: 62%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 9.2 μg/m3
PM10: 9.26 μg/m3
Carbon Monoxide: 308.14 μg/m3
Nitrogen Dioxide: 20 μg/m3
Sulphur Dioxide: 6.86 μg/m3
Ozone: 65.72 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 12:52 AM
Sunset: 7:34 PM
Daylight: 13 hrs 24 mins
Moonrise: 8:36 AM
Moon Transit: 2:41 PM
Moonset: 8:37 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
2:11 PM - 4:41 PM

Minor Periods

8:07 PM - 9:37 PM
8:06 AM - 9:36 AM

Action Rating: 3 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 64.5°F
Average Humidity: 46%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 11.93 μg/m3
PM10: 12.07 μg/m3
Carbon Monoxide: 325.53 μg/m3
Nitrogen Dioxide: 25.24 μg/m3
Sulphur Dioxide: 7.19 μg/m3
Ozone: 63.92 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 22 mins
Moonrise: 9:38 AM
Moon Transit: 3:22 PM
Moonset: 8:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

2:51 AM - 5:21 AM
2:52 PM - 5:22 PM

Minor Periods

8:26 PM - 9:56 PM
9:08 AM - 10:38 AM

Action Rating: 2 out of 5

Wednesday, August 27, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 66.5°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 21.69 μg/m3
PM10: 21.96 μg/m3
Carbon Monoxide: 488.4 μg/m3
Nitrogen Dioxide: 61.14 μg/m3
Sulphur Dioxide: 7.53 μg/m3
Ozone: 49.62 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 12:52 AM
Sunset: 7:31 PM
Daylight: 13 hrs 19 mins
Moonrise: 10:41 AM
Moon Transit: 4:03 PM
Moonset: 9:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
3:33 PM - 6:03 PM

Minor Periods

8:47 PM - 10:17 PM
10:11 AM - 11:41 AM

Action Rating: 3 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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