Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

72.1°F

Measurement Time: Monday, June 29, 2026, 9:30 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

79°F
Clear
Clear
85°F
80.6°F
88%
SSW 9.8 mph
18.4 mph
76.3°F
72.3°F
0 in
0%
9 mi
1013 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 101°F
L: 76°F
Sunny
Wed
H: 94°F
L: 76°F
Sunny
Thu
H: 93°F
L: 78°F
Sunny
Fri
H: 92°F
L: 73°F
Sunny
Sat
H: 88°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 11.5 μg/m3
PM10: 14.3 μg/m3
Carbon Monoxide: 131 μg/m3
Nitrogen Dioxide: 8.2 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 56 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:54 AM
Sunset: 8:30 PM
Daylight: 15 hrs 11 mins
Moonrise: 9:28 PM
Moon Transit: 1:08 AM
Moonset: 5:30 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
1:22 PM - 3:52 PM

Minor Periods

8:58 PM - 10:28 PM
5:00 AM - 6:30 AM

Action Rating: 5 out of 5

Extreme Heat Warning issued June 29 at 3:13PM CDT until July 1 at 10:00PM CDT by NWS Chicago IL

Effective: Mon June 29, 2026, 3:13 PM
Expires: Tue June 30, 2026, 1:15 AM

* WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until 10 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center.


Extreme Heat Warning issued June 29 at 8:53PM CDT until July 1 at 10:00PM CDT by NWS Chicago IL

Effective: Mon June 29, 2026, 8:53 PM
Expires: Tue June 30, 2026, 7:00 AM

* WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until 10 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center.


Extreme Heat Warning issued June 30 at 1:51AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL

Effective: Tue June 30, 2026, 1:51 AM
Expires: Tue June 30, 2026, 12:00 PM

* WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until midnight CDT Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Dangerous heat is now expected to persist through Thursday. Thunderstorms may begin to bring some relief from the heat by Thursday afternoon or evening.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Tuesday, June 30, 2026

Weather Forecast

Sunny
101.3°F
75.9°F
85.6°F
70%
0 in
5%
0%
15.9 mph
9.8


Air Quality

AQI: 2 - Moderate
PM2.5: 17.84 μg/m3
PM10: 24.41 μg/m3
Carbon Monoxide: 134.25 μg/m3
Nitrogen Dioxide: 6.86 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 97.92 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:54 AM
Sunset: 8:30 PM
Daylight: 15 hrs 11 mins
Moonrise: 9:28 PM
Moon Transit: 1:08 AM
Moonset: 5:30 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
1:22 PM - 3:52 PM

Minor Periods

8:58 PM - 10:28 PM
5:00 AM - 6:30 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
93.5°F
76.2°F
84.8°F
66%
0 in
4%
0%
14.5 mph
10.2


Air Quality

AQI: 2 - Moderate
PM2.5: 18.48 μg/m3
PM10: 26.43 μg/m3
Carbon Monoxide: 136.71 μg/m3
Nitrogen Dioxide: 6.38 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 103.71 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:54 AM
Sunset: 8:30 PM
Daylight: 15 hrs 11 mins
Moonrise: 10:00 PM
Moon Transit: 1:57 AM
Moonset: 6:33 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:27 AM - 3:57 AM
2:11 PM - 4:41 PM

Minor Periods

9:30 PM - 11:00 PM
6:03 AM - 7:33 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
93.3°F
78.2°F
85.3°F
62%
0 in
4%
0%
13.2 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 10.15 μg/m3
PM10: 11.8 μg/m3
Carbon Monoxide: 133.33 μg/m3
Nitrogen Dioxide: 7.7 μg/m3
Sulphur Dioxide: 2.64 μg/m3
Ozone: 103.58 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:54 AM
Sunset: 8:30 PM
Daylight: 15 hrs 10 mins
Moonrise: 10:27 PM
Moon Transit: 2:45 AM
Moonset: 7:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:15 AM - 4:45 AM
2:57 PM - 5:27 PM

Minor Periods

9:57 PM - 11:27 PM
7:08 AM - 8:38 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
92°F
72.8°F
82.8°F
67%
0.09 in
57%
0%
12.1 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 9.96 μg/m3
PM10: 10.6 μg/m3
Carbon Monoxide: 160.8 μg/m3
Nitrogen Dioxide: 10.69 μg/m3
Sulphur Dioxide: 2.76 μg/m3
Ozone: 101.63 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:55 AM
Sunset: 8:30 PM
Daylight: 15 hrs 9 mins
Moonrise: 10:51 PM
Moon Transit: 3:31 AM
Moonset: 8:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
3:42 PM - 6:12 PM

Minor Periods

10:21 PM - 11:51 PM
8:14 AM - 9:44 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
87.5°F
71°F
78.3°F
80%
0.74 in
78%
0%
9.2 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.14 μg/m3
PM10: 7.38 μg/m3
Carbon Monoxide: 217.38 μg/m3
Nitrogen Dioxide: 12.69 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 65.38 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 8 mins
Moonrise: 11:11 PM
Moon Transit: 4:14 AM
Moonset: 9:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
4:25 PM - 6:55 PM

Minor Periods

12:00 AM - 12:00 AM
9:19 AM - 10:49 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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