Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

82.9°F

Measurement Time: Friday, July 17, 2026, 2:00 PM CDT

Temperature Locations

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Local Points of Interest

Chicago Park District

Chicago River

Station Name: CHICAGO S & S CANAL AT WESTERN AVE AT CHICAGO, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 591 feet

Nearest Address:
3101 S Western Ave
Chicago, IL 60608
Cook County

GPS Coordinates: 41.8375, -87.6852778

Nearby Water Temperatures

Lake Michigan, Chicago, IL (7.3 mi)
Cal-Sag Channel, Blue Island, IL (12.8 mi)
Grand Calumet River, Chicago, IL (14.4 mi)
Indiana Harbor Canal, East Chicago, IN (17.1 mi)
Grand Calumet River, Hammond, IN (17.9 mi)
Lake Michigan, Wilmette, IL (20.6 mi)
Hart Ditch, Munster, IN (21.8 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (23.6 mi)
Little Calumet River, Gary, IN (24 mi)
Plum Creek, Dyer, IN (24.5 mi)
Deep River, Lake Station, IN (27.4 mi)
Des Plaines River, Lockport, IL (27.4 mi)
Des Plaines River, Joliet, IL (29.2 mi)
Des Plaines River, Rockdale, IL (31.9 mi)
Lake Michigan, Waukegan, IL (37.1 mi)

Weather for Chicago, Illinois

Current Weather

87.1°F
Partly cloudy
Partly cloudy
95.9°F
91.7°F
61%
WSW 8.5 mph
13 mph
85.1°F
72.4°F
0 in
75%
9 mi
1013 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 93°F
L: 74°F
Sunny
Sat
H: 91°F
L: 74°F
Sunny
Sun
H: 80°F
L: 71°F
Sunny
Mon
H: 85°F
L: 68°F
Sunny
Tue
H: 82°F
L: 69°F

Air Quality

AQI: 1 - Good
PM2.5: 9.2 μg/m3
PM10: 9.8 μg/m3
Carbon Monoxide: 172 μg/m3
Nitrogen Dioxide: 8.6 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 123 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:56 AM
Sunset: 8:23 PM
Daylight: 14 hrs 52 mins
Moonrise: 9:20 AM
Moon Transit: 4:00 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
3:30 PM - 6:00 PM

Minor Periods

9:57 PM - 11:27 PM
8:50 AM - 10:20 AM

Action Rating: 3 out of 5

Marine Weather Statement issued July 17 at 3:06PM CDT by NWS Chicago IL

Effective: Fri July 17, 2026, 3:06 PM
Expires: Fri July 17, 2026, 4:00 PM

A Marine Weather Statement has been issued for the following areas... Nearshore Waters from Wilmette Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 303 PM CDT, Doppler radar indicated strong gust front winds up to around 30 knots from a thunderstorm. These strong winds were located along a line extending from Midway Airport to near Calumet Harbor to 8 nm south of Hammond Marina, moving northeast at 20 knots. In addition, other widely scattered thunderstorms will continue to develop across far southern Lake Michigan, any one of which, could produce localized variable and gusty winds to around 30 knots.

Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass.


Air Quality Alert issued July 17 at 2:22PM CDT by NWS Chicago IL

Effective: Fri July 17, 2026, 2:22 PM
Expires: Sat July 18, 2026, 12:00 AM

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, which remains in effect until midnight Saturday Night. An Air Quality Action Day for smoke has been issued. Smoke levels are expected to be in the Very Unhealthy range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/


Air Quality Alert issued July 17 at 11:14AM CDT by NWS Chicago IL

Effective: Fri July 17, 2026, 11:14 AM
Expires: Sat July 18, 2026, 12:00 AM

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, IN EFFECT UNTIL MIDNIGHT CDT SATURDAY NIGHT. An Air Quality Action Day for smoke has been issued. Smoke levels are expected to be in the Very Unhealthy range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/


Air Quality Alert issued July 17 at 4:12AM CDT by NWS Chicago IL

Effective: Fri July 17, 2026, 4:12 AM
Expires: Sat July 18, 2026, 4:15 AM

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, in effect until midnight tonight. An Air Quality Action Day for Wildfire Smoke and PM 2.5 has been issued. Fine particulate levels are expected to be in the Unhealthy (Red) range today. Active children and adults, and people with respiratory disease, such as asthma should avoid prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/


Air Quality Alert issued July 16 at 1:28PM CDT by NWS Chicago IL

Effective: Thu July 16, 2026, 1:28 PM
Expires: Sat July 18, 2026, 12:00 AM

The officials at the Indiana Department of Environmental Management have extended the Air Quality Action Day until midnight Friday Night. An Air Quality Action Day for Wildfire Smoke and PM 2.5 has been issued. Fine particulate levels are expected to be in the Very Unhealthy (Purple) range today and in the Unhealthy (Red) range on Friday. Active children and adults, and people with respiratory disease, such as asthma should avoid prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/


Friday, July 17, 2026

Weather Forecast

Sunny
92.7°F
73.6°F
82.7°F
76%
0 in
10%
0%
8.5 mph
8.9


Air Quality

AQI: 2 - Moderate
PM2.5: 15.76 μg/m3
PM10: 16.9 μg/m3
Carbon Monoxide: 155.63 μg/m3
Nitrogen Dioxide: 13.1 μg/m3
Sulphur Dioxide: 3.12 μg/m3
Ozone: 110.92 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:56 AM
Sunset: 8:23 PM
Daylight: 14 hrs 52 mins
Moonrise: 9:20 AM
Moon Transit: 4:00 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
3:30 PM - 6:00 PM

Minor Periods

9:57 PM - 11:27 PM
8:50 AM - 10:20 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
91.2°F
73.5°F
80.4°F
73%
0.1 in
57%
0%
12.5 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 11.05 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 157.38 μg/m3
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 107 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:57 AM
Sunset: 8:22 PM
Daylight: 14 hrs 51 mins
Moonrise: 10:31 AM
Moon Transit: 4:45 PM
Moonset: 10:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
4:15 PM - 6:45 PM

Minor Periods

10:19 PM - 11:49 PM
10:01 AM - 11:31 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
80.1°F
70.5°F
75°F
60%
0 in
4%
0%
10.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 14.31 μg/m3
PM10: 14.44 μg/m3
Carbon Monoxide: 179.49 μg/m3
Nitrogen Dioxide: 6.51 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 121.63 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:57 AM
Sunset: 8:21 PM
Daylight: 14 hrs 49 mins
Moonrise: 11:39 AM
Moon Transit: 5:29 PM
Moonset: 11:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
4:59 PM - 7:29 PM

Minor Periods

12:00 AM - 12:00 AM
11:09 AM - 12:39 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
84.9°F
67.8°F
75°F
72%
4.35 in
70%
0%
15.7 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 12.8 μg/m3
PM10: 12.89 μg/m3
Carbon Monoxide: 312.08 μg/m3
Nitrogen Dioxide: 12.85 μg/m3
Sulphur Dioxide: 4.28 μg/m3
Ozone: 109.04 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:57 AM
Sunset: 8:21 PM
Daylight: 14 hrs 48 mins
Moonrise: 12:46 AM
Moon Transit: 6:12 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
5:42 PM - 8:12 PM

Minor Periods

12:16 AM - 1:46 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
82°F
68.5°F
74.3°F
74%
0.01 in
19%
0%
15.9 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 7.35 μg/m3
Carbon Monoxide: 271.75 μg/m3
Nitrogen Dioxide: 8.18 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 93.63 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:57 AM
Sunset: 8:20 PM
Daylight: 14 hrs 46 mins
Moonrise: 1:51 PM
Moon Transit: 6:56 PM
Moonset: 12:31 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
6:26 PM - 8:56 PM

Minor Periods

1:21 PM - 2:51 PM
12:00 AM - 12:00 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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