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

62.1°F
Partly cloudy
Partly cloudy
62.1°F
63.2°F
90%
NE 4 mph
8.5 mph
63.1°F
55.7°F
0 in
50%
9 mi
1020 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 77°F
L: 61°F
Patchy rain nearby
Wed
H: 77°F
L: 60°F
Partly Cloudy
Thu
H: 72°F
L: 58°F
Patchy rain nearby
Fri
H: 76°F
L: 56°F
Patchy rain nearby
Sat
H: 82°F
L: 68°F

Air Quality

PM2.5: 9.6 μg/m3
PM10: 9.9 μg/m3
Carbon Monoxide: 146 μg/m3
Nitrogen Dioxide: 25.4 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 21 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 12 mins
Moonrise: 3:08 PM
Moon Transit: 8:28 PM
Moonset: 1:18 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
7:58 PM - 10:28 PM

Minor Periods

2:38 PM - 4:08 PM
12:48 AM - 2:18 AM

Action Rating: 2 out of 5

Flood Warning issued June 22 at 10:57AM CDT until June 24 at 6:00AM CDT by NWS Quad Cities IA IL

Effective: Mon June 22, 2026, 10:57 AM
Expires: Tue June 23, 2026, 11:00 AM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Iowa River at Marengo affecting Iowa and Benton Counties. English River at Kalona affecting Johnson and Washington Counties. 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...Moderate flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Wednesday evening. * IMPACTS...At 12.0 feet, overbank flooding occurs. Water affects residences along the river between Wheatland and Calamus. Water affects businesses along the river near Calamus. * ADDITIONAL DETAILS... - At 10:30 AM CDT Monday the stage was 11.7 feet. - Forecast...The river is expected to rise to a crest of 12.2 feet this evening. It will then fall below flood stage Wednesday evening. - Flood stage is 11.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by this evening at 630 PM CDT.


Flood Warning issued June 22 at 8:39PM CDT until June 24 at 6:00AM CDT by NWS Quad Cities IA IL

Effective: Mon June 22, 2026, 8:39 PM
Expires: Tue June 23, 2026, 8:45 PM

...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 Scott and Clinton Counties. * WHAT...Moderate flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Wednesday morning. * IMPACTS...At 12.0 feet, Overbank flooding occurs. Water affects residences along the river between Wheatland and Calamus. Water affects businesses along the river near Calamus. * ADDITIONAL DETAILS... - At 7:30 PM CDT Monday the stage was 11.8 feet. - Forecast...The river is expected to rise to a crest of 11.9 feet just after midnight tonight. It will then fall below flood stage late tomorrow evening. - 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 Tuesday evening at 845 PM CDT.


Tuesday, June 23, 2026

Weather Forecast

Patchy rain nearby
77.2°F
60.5°F
68°F
76%
0.02 in
36%
0%
5.6 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 7.35 μg/m3
PM10: 7.58 μg/m3
Carbon Monoxide: 138.35 μg/m3
Nitrogen Dioxide: 11.7 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 55.79 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 12 mins
Moonrise: 3:08 PM
Moon Transit: 8:28 PM
Moonset: 1:18 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
7:58 PM - 10:28 PM

Minor Periods

2:38 PM - 4:08 PM
12:48 AM - 2:18 AM

Action Rating: 2 out of 5

Wednesday, June 24, 2026

Weather Forecast

Patchy rain nearby
76.7°F
59.5°F
67.7°F
83%
0.06 in
64%
0%
11 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 5.18 μg/m3
PM10: 5.46 μg/m3
Carbon Monoxide: 169.96 μg/m3
Nitrogen Dioxide: 7.84 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 64.96 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

Partly Cloudy
72.2°F
58.3°F
65.4°F
81%
0 in
13%
0%
7.6 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 3.08 μg/m3
PM10: 3.18 μg/m3
Carbon Monoxide: 151.96 μg/m3
Nitrogen Dioxide: 8.11 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 55.71 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

Patchy rain nearby
76.3°F
56°F
67.2°F
84%
0.04 in
55%
0%
11 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 3.05 μg/m3
Carbon Monoxide: 165.88 μg/m3
Nitrogen Dioxide: 16.2 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 26.38 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
82.4°F
67.8°F
71.8°F
95%
0.08 in
81%
0%
9.2 mph
0.1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 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

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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