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

70.5°F
Mist
Mist
71.6°F
75.6°F
94%
SE 10.5 mph
19.7 mph
70.5°F
68.7°F
0 in
78%
6 mi
1004 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 71°F
L: 64°F
Patchy rain nearby
Sun
H: 76°F
L: 63°F
Sunny
Mon
H: 80°F
L: 58°F
Sunny
Tue
H: 82°F
L: 61°F
Sunny
Wed
H: 84°F
L: 63°F

Air Quality

AQI: 2 - Moderate
PM2.5: 0.6 μg/m3
PM10: 0.6 μg/m3
Carbon Monoxide: 126 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:08 PM
Sunset: 8:20 PM
Daylight: 14 hrs 23 mins
Moonrise: 9:49 PM
Moon Transit: 3:08 AM
Moonset: 8:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
2:55 PM - 5:25 PM

Minor Periods

9:19 PM - 10:49 PM
8:29 AM - 9:59 AM

Action Rating: 2 out of 5

Flood Watch issued July 31 at 9:04PM CDT until August 3 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Fri July 31, 2026, 9:04 PM
Expires: Sat August 1, 2026, 9:15 PM

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Saturday evening. * WHAT...Flooding is possible. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...From Sunday morning to Monday afternoon. * IMPACTS...At 11.0 feet...Water affects County Road E63 north of the river near Toronto and affects the lowest roads in Buena Vista. * ADDITIONAL DETAILS... - At 8:30 PM CDT Friday the stage was 7.3 feet. - Forecast...Flood stage may be reached Sunday morning. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood
Saturday, August 1, 2026

Weather Forecast

Patchy rain nearby
70.9°F
63.8°F
67.7°F
94%
0.45 in
92%
0%
17.4 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 2.15 μg/m3
PM10: 2.18 μg/m3
Carbon Monoxide: 140.25 μg/m3
Nitrogen Dioxide: 4.46 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 61.5 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:08 PM
Sunset: 8:20 PM
Daylight: 14 hrs 23 mins
Moonrise: 9:49 PM
Moon Transit: 3:08 AM
Moonset: 8:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
2:55 PM - 5:25 PM

Minor Periods

9:19 PM - 10:49 PM
8:29 AM - 9:59 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Patchy rain nearby
75.7°F
63.1°F
68.6°F
85%
0.01 in
34%
0%
13 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 3.36 μg/m3
PM10: 3.49 μg/m3
Carbon Monoxide: 136.04 μg/m3
Nitrogen Dioxide: 4.18 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 54.25 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:08 PM
Sunset: 8:19 PM
Daylight: 14 hrs 21 mins
Moonrise: 10:10 PM
Moon Transit: 3:51 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:21 AM - 5:51 AM
5:20 PM - 7:50 PM

Minor Periods

9:40 PM - 11:10 PM
9:35 AM - 11:05 AM

Action Rating: 4 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
79.9°F
58.2°F
68.8°F
81%
0 in
14%
0%
6.7 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 3.22 μg/m3
PM10: 3.29 μg/m3
Carbon Monoxide: 151.38 μg/m3
Nitrogen Dioxide: 7.2 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 51.75 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:08 PM
Sunset: 8:17 PM
Daylight: 14 hrs 18 mins
Moonrise: 10:32 PM
Moon Transit: 12:00 AM
Moonset: 11:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

10:02 PM - 11:32 PM
10:43 AM - 12:13 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
82.2°F
60.9°F
71.2°F
80%
0 in
10%
0%
7.2 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 8.41 μg/m3
PM10: 8.54 μg/m3
Carbon Monoxide: 194.79 μg/m3
Nitrogen Dioxide: 12.65 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 67.83 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:08 PM
Sunset: 8:16 PM
Daylight: 14 hrs 16 mins
Moonrise: 10:57 PM
Moon Transit: 5:20 AM
Moonset: 12:23 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:50 AM - 7:20 AM
5:10 PM - 7:40 PM

Minor Periods

10:27 PM - 11:57 PM
11:53 AM - 1:23 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Sunny
84.4°F
62.5°F
73.8°F
79%
0 in
17%
0%
12.1 mph
7


Air Quality

AQI: 2 - Moderate
PM2.5: 19.63 μg/m3
PM10: 19.8 μg/m3
Carbon Monoxide: 348.38 μg/m3
Nitrogen Dioxide: 48.54 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 21.13 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:08 PM
Sunset: 8:15 PM
Daylight: 14 hrs 14 mins
Moonrise: 11:27 PM
Moon Transit: 6:09 AM
Moonset: 1:36 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
6:01 PM - 8:31 PM

Minor Periods

12:00 AM - 12:00 AM
1:06 PM - 2:36 PM

Action Rating: 4 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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