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

84.9°F
Sunny
Sunny
83.5°F
90.4°F
48%
ENE 3.1 mph
4.2 mph
90.7°F
57.5°F
0 in
0%
9 mi
1018 mbar
1.4

Five Day Weather Forecast

Sunny
Tue
H: 95°F
L: 63°F
Sunny
Wed
H: 84°F
L: 65°F
Sunny
Thu
H: 78°F
L: 67°F
Patchy rain nearby
Fri
H: 81°F
L: 63°F
Patchy rain nearby
Sat
H: 85°F
L: 68°F

Air Quality

AQI: 1 - Good
PM2.5: 7.5 μg/m3
PM10: 7.9 μg/m3
Carbon Monoxide: 129 μg/m3
Nitrogen Dioxide: 0.3 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 122 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:07 PM
Sunset: 8:39 PM
Daylight: 15 hrs 3 mins
Moonrise: 12:04 AM
Moon Transit: 12:00 AM
Moonset: 1:21 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:25 PM - 8:55 PM

Minor Periods

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

Action Rating: 3 out of 5

Flood Warning issued July 6 at 9:01PM CDT until July 12 at 12:00AM CDT by NWS Quad Cities IA IL

Effective: Mon July 6, 2026, 9:01 PM
Expires: Tue July 7, 2026, 9:15 PM

...The Flood Warning is extended for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. North Skunk River near Sigourney affecting Keokuk County. ...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 and major flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until early Sunday morning. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 11.5 feet. - Forecast...The river is expected to rise to a crest of 12.5 feet early Thursday morning. It will then fall below flood stage Saturday afternoon. - 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 afternoon at 415 PM CDT.


Flood Warning issued July 7 at 10:30AM CDT until July 11 at 11:24PM CDT by NWS Quad Cities IA IL

Effective: Tue July 7, 2026, 10:30 AM
Expires: Wed July 8, 2026, 10:30 AM

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. Iowa River at Marengo affecting Iowa and Benton Counties. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until late Saturday evening. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Tuesday the stage was 11.7 feet. - Forecast...The river is expected to rise to a crest of 12.5 feet Thursday morning. It will then fall below flood stage Saturday afternoon. - 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 Wednesday morning at 1030 AM CDT.
Tuesday, July 7, 2026

Weather Forecast

Sunny
94.5°F
62.8°F
78.6°F
61%
0 in
3%
0%
5.8 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 10.59 μg/m3
PM10: 10.91 μg/m3
Carbon Monoxide: 153.46 μg/m3
Nitrogen Dioxide: 17.67 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 70.54 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:07 PM
Sunset: 8:39 PM
Daylight: 15 hrs 3 mins
Moonrise: 12:04 AM
Moon Transit: 12:00 AM
Moonset: 1:21 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:25 PM - 8:55 PM

Minor Periods

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

Action Rating: 3 out of 5

Wednesday, July 8, 2026

Weather Forecast

Sunny
83.9°F
64.5°F
74.6°F
76%
0 in
11%
0%
7.4 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 7.08 μg/m3
PM10: 7.57 μg/m3
Carbon Monoxide: 153.79 μg/m3
Nitrogen Dioxide: 11.49 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 83.29 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:07 PM
Sunset: 8:38 PM
Daylight: 15 hrs 2 mins
Moonrise: 12:28 AM
Moon Transit: 7:23 AM
Moonset: 2:34 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

6:53 AM - 9:23 AM
7:14 PM - 9:44 PM

Minor Periods

2:04 PM - 3:34 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
78.3°F
66.7°F
71.3°F
89%
0.61 in
83%
0%
9.6 mph
3.8


Air Quality

AQI: 1 - Good
PM2.5: 4.56 μg/m3
PM10: 5.06 μg/m3
Carbon Monoxide: 141.08 μg/m3
Nitrogen Dioxide: 7.11 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 89.17 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:07 PM
Sunset: 8:38 PM
Daylight: 15 hrs 1 mins
Moonrise: 12:55 AM
Moon Transit: 8:15 AM
Moonset: 3:50 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
8:08 PM - 10:38 PM

Minor Periods

3:20 PM - 4:50 PM
12:25 AM - 1:55 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Patchy rain nearby
80.5°F
62.7°F
72.3°F
87%
0.04 in
65%
0%
5.8 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 3.83 μg/m3
Carbon Monoxide: 143.45 μg/m3
Nitrogen Dioxide: 8.65 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 68.33 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:07 PM
Sunset: 8:38 PM
Daylight: 15 hrs mins
Moonrise: 1:28 AM
Moon Transit: 9:12 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
9:08 PM - 11:38 PM

Minor Periods

4:39 PM - 6:09 PM
12:58 AM - 2:28 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Patchy rain nearby
85.2°F
67.8°F
75.9°F
84%
0.04 in
58%
0%
4.5 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 7.43 μg/m3
PM10: 7.86 μg/m3
Carbon Monoxide: 239.5 μg/m3
Nitrogen Dioxide: 25.73 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 28.5 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:07 PM
Sunset: 8:37 PM
Daylight: 14 hrs 59 mins
Moonrise: 2:12 AM
Moon Transit: 10:15 AM
Moonset: 6:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:45 AM - 12:15 AM

Minor Periods

5:56 PM - 7:26 PM
1:42 AM - 3:12 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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