Water Temperature of the Illinois River in Peoria, IL

Current Water Temperature

32.0°F

Measurement Time: Friday, December 19, 2025, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Peoria Lock and Dam; Bartonville, IL; North Pekin, IL; Creve Coeur; Crevecoeur Nature Preserve

Illinois River

Station Name: Peoria 5SSW - L&D 7
Data Source: USGS

Elevation Above Sea Level: 436 feet

Nearest Address:
Peoria, IL 61610
Tazewell County

GPS Coordinates: 40.6333, -89.625

Nearby Water Temperatures

Mason Tazewell Drainage Ditch, Topeka, IL (26.1 mi)
Illinois River, Henry, IL (35.6 mi)
North Fork Salt Creek, De Witt, IL (50.9 mi)
Salt Creek, Farmer City, IL (57.9 mi)
Illinois River, Utica, IL (58.2 mi)
Lick Creek, Springfield, IL (63.5 mi)
Sugar Creek, Chatham, IL (67.3 mi)
Illinois River, Marseilles, IL (67.4 mi)
Illinois River, La Grange, IL (67.7 mi)
Illinois River, Seneca, IL (70 mi)
Illinois River, Seneca, IL (70 mi)
Mississippi River, Gladstone, IL (75.1 mi)
Mississippi River, Le Claire, IA (76.6 mi)
Hanson Gravel Pit, Morris, IL (77.4 mi)
Mississippi River, Rock Island, IL (78.3 mi)

Weather for Peoria, Illinois

Current Weather

87.1°F
Clear
Clear
98.8°F
90.8°F
70%
SSW 8.1 mph
16.9 mph
83.7°F
74°F
0 in
0%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 96°F
L: 73°F
Sunny
Fri
H: 87°F
L: 69°F
Sunny
Sat
H: 89°F
L: 67°F
Sunny
Sun
H: 79°F
L: 66°F
Sunny
Mon
H: 75°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 5.7 μg/m3
PM10: 6.7 μg/m3
Carbon Monoxide: 130 μg/m3
Nitrogen Dioxide: 8.5 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:02 PM
Sunset: 8:33 PM
Daylight: 15 hrs 2 mins
Moonrise: 10:33 PM
Moon Transit: 2:53 AM
Moonset: 7:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:23 AM - 4:53 AM
2:49 PM - 5:19 PM

Minor Periods

10:03 PM - 11:33 PM
7:19 AM - 8:49 AM

Action Rating: 2 out of 5

Flood Warning issued July 2 at 10:25AM CDT until July 2 at 7:00PM CDT by NWS Lincoln IL

Effective: Thu July 2, 2026, 10:25 AM
Expires: Thu July 2, 2026, 7:00 PM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Woodford, Tazewell and Peoria Counties. ...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Morgan, Brown, Cass and Schuyler Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Peoria. * WHEN...Until this evening. * IMPACTS...At 18.0 feet, Some flooding begins to bottomland not protected by levees. * ADDITIONAL DETAILS... - At 9:45 AM CDT Thursday the stage was 18.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Thursday was 18.5 feet. - Forecast...The river is expected to fall below flood stage this afternoon and continue falling to 14.6 feet Thursday, July 09. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.


Flood Warning issued July 2 at 10:25AM CDT by NWS Lincoln IL

Effective: Thu July 2, 2026, 10:25 AM
Expires: Fri July 3, 2026, 2:30 AM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Woodford, Tazewell and Peoria Counties. ...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Morgan, Brown, Cass and Schuyler Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * IMPACTS...At 19.5 feet, Access road to Anderson Lake north campground closed. * ADDITIONAL DETAILS... - At 9:45 AM CDT Thursday the stage was 18.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Thursday was 18.6 feet. - Forecast...The river is expected to fall to 14.6 feet Thursday, July 09. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.


Flood Warning issued July 2 at 3:17PM CDT by NWS Lincoln IL

Effective: Thu July 2, 2026, 3:17 PM
Expires: Fri July 3, 2026, 7:30 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Schuyler, Morgan, Brown and Cass Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 2:45 PM CDT Thursday the stage was 18.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:45 PM CDT Thursday was 18.6 feet. - Forecast...The river is expected to fall to 14.6 feet Thursday, July 09. - Flood stage is 14.0 feet.

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.


Extreme Heat Warning issued July 2 at 1:27PM CDT until July 3 at 7:00PM CDT by NWS Lincoln IL

Effective: Thu July 2, 2026, 1:27 PM
Expires: Fri July 3, 2026, 4:00 AM

* WHAT...Dangerously hot conditions with heat index values up to 105. * WHERE...Marshall, Mason, McLean, Peoria, Stark, Tazewell, Woodford, Fulton, and Knox Counties. * WHEN...Until 7 PM CDT Friday. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Thursday, July 2, 2026

Weather Forecast

Sunny
96.3°F
73.4°F
84.6°F
76%
0 in
9%
0%
12.8 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 6.72 μg/m3
PM10: 8.13 μg/m3
Carbon Monoxide: 125.83 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 74.42 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:02 PM
Sunset: 8:33 PM
Daylight: 15 hrs 2 mins
Moonrise: 10:33 PM
Moon Transit: 2:53 AM
Moonset: 7:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:23 AM - 4:53 AM
2:49 PM - 5:19 PM

Minor Periods

10:03 PM - 11:33 PM
7:19 AM - 8:49 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
87.4°F
69.4°F
79°F
80%
0.19 in
70%
0%
11.2 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 5.03 μg/m3
PM10: 5.34 μg/m3
Carbon Monoxide: 143.5 μg/m3
Nitrogen Dioxide: 5.94 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 78.75 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:02 PM
Sunset: 8:33 PM
Daylight: 15 hrs 1 mins
Moonrise: 10:56 PM
Moon Transit: 3:39 AM
Moonset: 8:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
3:34 PM - 6:04 PM

Minor Periods

10:26 PM - 11:56 PM
8:24 AM - 9:54 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
89.3°F
66.9°F
78.4°F
82%
0.05 in
57%
0%
13.4 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 5.22 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 143.92 μg/m3
Nitrogen Dioxide: 5.44 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 79.25 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 15 hrs mins
Moonrise: 11:18 PM
Moon Transit: 4:22 AM
Moonset: 9:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
4:17 PM - 6:47 PM

Minor Periods

12:00 AM - 12:00 AM
9:28 AM - 10:58 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Sunny
78.6°F
66.2°F
73.5°F
84%
0.52 in
79%
0%
25.7 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 4.54 μg/m3
PM10: 5.19 μg/m3
Carbon Monoxide: 144.02 μg/m3
Nitrogen Dioxide: 9.27 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 75.29 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 14 hrs 59 mins
Moonrise: 12:18 AM
Moon Transit: 5:05 AM
Moonset: 11:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
4:59 PM - 7:29 PM

Minor Periods

10:33 AM - 12:03 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 6, 2026

Weather Forecast

Sunny
75.2°F
57.5°F
68°F
83%
0.01 in
30%
0%
10.7 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 3.03 μg/m3
Carbon Monoxide: 204.38 μg/m3
Nitrogen Dioxide: 14.38 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 38 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 14 hrs 59 mins
Moonrise: 12:39 AM
Moon Transit: 5:48 AM
Moonset: 12:09 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

5:18 AM - 7:48 AM
11:45 AM - 2:15 PM

Minor Periods

11:39 AM - 1:09 PM
12:00 AM - 12:00 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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