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

Current Water Temperature

32.0°F

Measurement Time: Wednesday, May 27, 2026, 12:24 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

63°F
Partly cloudy
Partly cloudy
63°F
59.4°F
72%
WSW 2.2 mph
3.6 mph
59.5°F
53.9°F
0 in
75%
9 mi
1015 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 91°F
L: 59°F
Sunny
Thu
H: 70°F
L: 56°F
Sunny
Fri
H: 81°F
L: 53°F
Sunny
Sat
H: 67°F
L: 58°F
Sunny
Sun
H: 75°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 16.55 μg/m3
PM10: 17.35 μg/m3
Carbon Monoxide: 217.85 μg/m3
Nitrogen Dioxide: 17.35 μg/m3
Sulphur Dioxide: 11.25 μg/m3
Ozone: 93 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:47 AM
Sunset: 8:15 PM
Daylight: 14 hrs 54 mins
Moonrise: 5:04 PM
Moon Transit: 10:18 PM
Moonset: 3:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:45 AM - 12:15 AM
12:00 AM - 12:00 AM

Minor Periods

4:34 PM - 6:04 PM
2:31 AM - 4:01 AM

Action Rating: 2 out of 5

Air Quality Alert issued May 26 at 11:16AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue May 26, 2026, 11:16 AM
Expires: Thu May 28, 2026, 12:00 AM

The Illinois Environmental Protection Agency has determined that an Air Pollution Action Day will be declared for the greater Chicago Metropolitan Area through Wednesday Night. A Chicago area Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are expected to be at or above the Unhealthy for Sensitive Groups category of the Air Quality Index for multiple days. Ozone is expected to be the primary pollutant of concern. Active children and adults, especially people with pulmonary or respiratory disease such as asthma, should limit prolonged outdoor activity. Area residents are urged to reduce pollution levels. Air quality forecasts, current air quality, and tips on how you can reduce your emissions can be found at www.airnow.gov. Media contact...Illinois EPA.


Air Quality Alert issued May 27 at 1:07AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed May 27, 2026, 1:07 AM
Expires: Thu May 28, 2026, 12:00 AM

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for the greater Chicago Metropolitan Area today, Wednesday May 27, and is in effect through tonight. A Chicago area "Air Pollution Action Day" is declared when weather conditions are such that widespread ozone and or particulate levels are expected to be at or above the Unhealthy for Sensitive Groups (USG) category of the Air Quality Index (AQI) for multiple days. Ozone is expected to be the primary pollutant of concern today. Active children and adults, especially people with pulmonary or respiratory disease such as asthma, should limit prolonged outdoor activity. Area residents are urged to reduce pollution levels. Air quality forecasts, current air quality, and tips on how you can reduce your emissions can be found at www.airnow.gov. Media contact...Illinois EPA.


Beach Hazards Statement issued May 26 at 9:33PM CDT until May 29 at 1:00AM CDT by NWS Chicago IL

Effective: Tue May 26, 2026, 9:33 PM
Expires: Wed May 27, 2026, 5:45 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 7 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From Wednesday evening through late Thursday night. * 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.


Air Quality Alert issued May 26 at 11:16AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue May 26, 2026, 11:16 AM
Expires: Thu May 28, 2026, 12:00 AM

An Air Quality Action Day has been forecast for Northwest Indiana for elevated ozone levels and is IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CDT WEDNESDAY NIGHT. Ozone Levels are expected to be at unhealthy levels for sensitive groups. For additional information...please visit the IDEM SMOG Watch web site at www.SmogWatch.IN.gov or the EPA AIRNOW web site at www.airnow.gov and click on Indiana.


Air Quality Alert issued May 26 at 10:09AM CDT by NWS Chicago IL

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue May 26, 2026, 10:09 AM
Expires: Thu May 28, 2026, 12:00 AM

An Air Quality Action Day has been forecast for Northwest Indiana for elevated ozone levels and is IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CDT WEDNESDAY NIGHT. Ozone Levels are expected to be at unhealthy levels for sensitive groups. For additional information...please visit the IDEM SMOG Watch web site at www.SmogWatch.IN.gov or the EPA AIRNOW web site at www.airnow.gov and click on Indiana.


Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
90.7°F
58.8°F
72.8°F
59%
0.02 in
71%
0%
8.7 mph
8.4


Air Quality

AQI: 2 - Moderate
PM2.5: 16.55 μg/m3
PM10: 17.82 μg/m3
Carbon Monoxide: 239.17 μg/m3
Nitrogen Dioxide: 25.07 μg/m3
Sulphur Dioxide: 7.91 μg/m3
Ozone: 79.2 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:47 AM
Sunset: 8:15 PM
Daylight: 14 hrs 54 mins
Moonrise: 5:04 PM
Moon Transit: 10:18 PM
Moonset: 3:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:45 AM - 12:15 AM
12:00 AM - 12:00 AM

Minor Periods

4:34 PM - 6:04 PM
2:31 AM - 4:01 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Sunny
69.8°F
55.9°F
62.8°F
58%
0 in
0%
0%
11.6 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 8.21 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 137.81 μg/m3
Nitrogen Dioxide: 10.66 μg/m3
Sulphur Dioxide: 2.64 μg/m3
Ozone: 86.56 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:48 AM
Sunset: 8:16 PM
Daylight: 14 hrs 55 mins
Moonrise: 6:08 PM
Moon Transit: 11:02 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

10:30 AM - 1:00 PM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
2:54 AM - 4:24 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
80.8°F
53.4°F
66.9°F
48%
0 in
0%
0%
5.6 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 9.22 μg/m3
PM10: 9.57 μg/m3
Carbon Monoxide: 151.92 μg/m3
Nitrogen Dioxide: 15.42 μg/m3
Sulphur Dioxide: 4.65 μg/m3
Ozone: 80.52 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:48 AM
Sunset: 8:17 PM
Daylight: 14 hrs 57 mins
Moonrise: 7:12 PM
Moon Transit: 11:49 PM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

11:15 AM - 1:45 PM
12:00 AM - 12:00 AM

Minor Periods

6:42 PM - 8:12 PM
3:20 AM - 4:50 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Sunny
67.1°F
57.9°F
63.3°F
49%
0 in
0%
0%
11.9 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 7.1 μg/m3
PM10: 7.64 μg/m3
Carbon Monoxide: 157.38 μg/m3
Nitrogen Dioxide: 12.97 μg/m3
Sulphur Dioxide: 3.09 μg/m3
Ozone: 84.84 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:48 AM
Sunset: 8:18 PM
Daylight: 14 hrs 58 mins
Moonrise: 8:15 PM
Moon Transit: 12:00 AM
Moonset: 4:22 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:03 AM - 2:33 PM

Minor Periods

7:45 PM - 9:15 PM
3:52 AM - 5:22 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Sunny
74.8°F
53°F
61.8°F
50%
0 in
0%
0%
9.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4.37 μg/m3
PM10: 4.51 μg/m3
Carbon Monoxide: 144.23 μg/m3
Nitrogen Dioxide: 11.07 μg/m3
Sulphur Dioxide: 2.42 μg/m3
Ozone: 67.46 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:48 AM
Sunset: 8:18 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:13 PM
Moon Transit: 12:38 AM
Moonset: 4:59 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
12:53 AM - 3:23 PM

Minor Periods

8:43 PM - 10:13 PM
4:29 AM - 5:59 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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