Water Temperature of the Mississippi River in Rock Island, IL

Current Water Temperature

32.0°F

Measurement Time: Sunday, December 14, 2025, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Davenport, IA; Arsenal Island

Mississippi River

Station Name: Rock Island L&D 15
Data Source: USGS

Elevation Above Sea Level: 555 feet

Nearest Address:
Rodman Avenue
Rock Island, IL 52801
Rock Island County

GPS Coordinates: 41.5181, -90.5647

Nearby Water Temperatures

Mississippi River, Le Claire, IA (9.3 mi)
Mississippi River, Illinois City, IL (23.9 mi)
Mississippi River, Camanche, IA (24.3 mi)
Beaver Slough, Clinton, IA (28.8 mi)
Mississippi River, Fulton, IL (33.4 mi)
Mississippi River, Fulton, IL (33.7 mi)
Mississippi River, New Boston, IL (34.1 mi)
North Fork Maquoketa River, Maquoketa, IA (45.4 mi)
Mississippi River, Gladstone, IL (50 mi)
Mississippi River, Bellevue, IA (51.8 mi)
Illinois River, Henry, IL (68.8 mi)
Morgan Creek, Cedar Rapids, IA (69.7 mi)
Mississippi River, Dubuque, IA (70.7 mi)
Cedar River, Palo, IA (73.5 mi)
Illinois River, Peoria, IL (78.3 mi)

Weather for Rock Island, Illinois

Current Weather

63°F
Clear
Clear
63°F
63.9°F
90%
S 6.9 mph
13.8 mph
63.9°F
59.3°F
0 in
0%
9 mi
1018 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 84°F
L: 63°F
Sunny
Thu
H: 72°F
L: 60°F
Partly Cloudy
Fri
H: 77°F
L: 56°F
Patchy rain nearby
Sat
H: 83°F
L: 64°F
Patchy rain nearby
Sun
H: 88°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.2 μg/m3
Carbon Monoxide: 127 μg/m3
Nitrogen Dioxide: 10.6 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 11 mins
Moonrise: 4:13 PM
Moon Transit: 9:12 PM
Moonset: 1:40 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
8:42 PM - 11:12 PM

Minor Periods

3:43 PM - 5:13 PM
1:10 AM - 2:40 AM

Action Rating: 3 out of 5

Flood Warning issued June 23 at 10:33PM CDT until June 24 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Tue June 23, 2026, 10:33 PM
Expires: Wed June 24, 2026, 9:00 AM

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. * WHAT...Minor flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until late tomorrow morning. * IMPACTS...At 11.5 feet, Water affects homes along old U.S. Highway 61. * ADDITIONAL DETAILS... - At 9:30 PM CDT Tuesday the stage was 11.3 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 8.0 feet Tuesday, June 30. - Flood stage is 11.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Wednesday morning at 900 AM CDT.


Flood Warning issued June 23 at 9:16PM CDT until June 24 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Tue June 23, 2026, 9:16 PM
Expires: Wed June 24, 2026, 9:00 AM

...The Flood Warning is extended for the following rivers in Illinois... La Moine River at Colmar affecting McDonough and Hancock Counties. ...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. * WHAT...Minor flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until late tomorrow morning. * IMPACTS...At 11.5 feet, Water affects homes along old U.S. Highway 61. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 11.4 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 8.0 feet Tuesday, June 30. - Flood stage is 11.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued by late tonight at 545 AM CDT.
Wednesday, June 24, 2026

Weather Forecast

Patchy rain nearby
84.2°F
63.3°F
70.8°F
80%
0.05 in
57%
0%
11.6 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 5.42 μg/m3
PM10: 5.68 μg/m3
Carbon Monoxide: 133.25 μg/m3
Nitrogen Dioxide: 7.81 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 70.04 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 11 mins
Moonrise: 4:13 PM
Moon Transit: 9:12 PM
Moonset: 1:40 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
8:42 PM - 11:12 PM

Minor Periods

3:43 PM - 5:13 PM
1:10 AM - 2:40 AM

Action Rating: 3 out of 5

Thursday, June 25, 2026

Weather Forecast

Sunny
71.7°F
59.6°F
65.5°F
82%
0 in
11%
0%
7.2 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 2.1 μg/m3
PM10: 2.12 μg/m3
Carbon Monoxide: 149.54 μg/m3
Nitrogen Dioxide: 7.83 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 53.21 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 11 mins
Moonrise: 5:16 PM
Moon Transit: 9:58 PM
Moonset: 2:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

9:00 AM - 11:30 AM
9:28 PM - 11:58 PM

Minor Periods

4:46 PM - 6:16 PM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Friday, June 26, 2026

Weather Forecast

Partly Cloudy
76.5°F
55.8°F
66.6°F
81%
0 in
16%
0%
10.3 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.4 μg/m3
Carbon Monoxide: 151.88 μg/m3
Nitrogen Dioxide: 9.68 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 61.54 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 11 mins
Moonrise: 6:20 PM
Moon Transit: 10:47 PM
Moonset: 2:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

9:47 AM - 12:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:50 PM - 7:20 PM
2:05 AM - 3:35 AM

Action Rating: 2 out of 5

Saturday, June 27, 2026

Weather Forecast

Patchy rain nearby
83.2°F
64.3°F
73.3°F
86%
0.06 in
70%
0%
12.8 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 4.03 μg/m3
PM10: 4.12 μg/m3
Carbon Monoxide: 147.08 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 72.63 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 10 mins
Moonrise: 7:19 PM
Moon Transit: 11:37 PM
Moonset: 3:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

10:37 AM - 1:07 PM
12:00 AM - 12:00 AM

Minor Periods

6:49 PM - 8:19 PM
2:41 AM - 4:11 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Patchy rain nearby
88.3°F
71°F
77.7°F
87%
0.04 in
58%
0%
15.2 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.59 μg/m3
PM10: 3.63 μg/m3
Carbon Monoxide: 196.5 μg/m3
Nitrogen Dioxide: 9.86 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 56.88 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 10 mins
Moonrise: 8:13 PM
Moon Transit: 12:00 AM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:28 AM - 1:58 PM

Minor Periods

7:43 PM - 9:13 PM
3:24 AM - 4:54 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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