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

68.5°F
Partly cloudy
Partly cloudy
68.5°F
75.2°F
49%
E 11.9 mph
13.6 mph
74.2°F
48.1°F
0 in
75%
9 mi
1022 mbar
6

Five Day Weather Forecast

Sunny
Thu
H: 77°F
L: 45°F
Patchy rain nearby
Fri
H: 60°F
L: 51°F
Patchy rain nearby
Sat
H: 74°F
L: 53°F
Sunny
Sun
H: 78°F
L: 56°F
Sunny
Mon
H: 80°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 6.65 μg/m3
PM10: 6.75 μg/m3
Carbon Monoxide: 149.85 μg/m3
Nitrogen Dioxide: 7.15 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 43 mins
Moonrise: 10:30 AM
Moon Transit: 6:03 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
5:33 PM - 8:03 PM

Minor Periods

10:00 AM - 11:30 AM
12:20 AM - 1:50 AM

Action Rating: 3 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
76.8°F
44.8°F
57.5°F
59%
0 in
0%
0%
13.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 4.43 μg/m3
Carbon Monoxide: 136.21 μg/m3
Nitrogen Dioxide: 5.98 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 64.52 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 43 mins
Moonrise: 10:30 AM
Moon Transit: 6:03 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
5:33 PM - 8:03 PM

Minor Periods

10:00 AM - 11:30 AM
12:20 AM - 1:50 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
59.8°F
51°F
55.3°F
74%
0.06 in
82%
0%
14.1 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 5.62 μg/m3
Carbon Monoxide: 154.57 μg/m3
Nitrogen Dioxide: 8.61 μg/m3
Sulphur Dioxide: 3.01 μg/m3
Ozone: 65.64 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 45 mins
Moonrise: 11:45 AM
Moon Transit: 6:54 PM
Moonset: 1:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

5:54 AM - 8:24 AM
6:24 PM - 8:54 PM

Minor Periods

11:15 AM - 12:45 AM
12:53 AM - 2:23 AM

Action Rating: 3 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
74.4°F
53.1°F
63.4°F
85%
0.14 in
88%
0%
9.2 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 6.82 μg/m3
PM10: 6.96 μg/m3
Carbon Monoxide: 176.01 μg/m3
Nitrogen Dioxide: 10.98 μg/m3
Sulphur Dioxide: 2.98 μg/m3
Ozone: 54.64 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 47 mins
Moonrise: 12:56 AM
Moon Transit: 7:40 PM
Moonset: 1:49 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:42 AM - 9:12 AM
7:10 PM - 9:40 PM

Minor Periods

12:26 AM - 1:56 PM
1:19 AM - 2:49 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Sunny
78.2°F
55.9°F
67.2°F
72%
0 in
0%
0%
8.3 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 6.82 μg/m3
PM10: 7.34 μg/m3
Carbon Monoxide: 159.37 μg/m3
Nitrogen Dioxide: 15.12 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 59.6 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 49 mins
Moonrise: 2:03 PM
Moon Transit: 8:23 PM
Moonset: 2:12 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
7:53 PM - 10:23 PM

Minor Periods

1:33 PM - 3:03 PM
1:42 AM - 3:12 AM

Action Rating: 2 out of 5

Monday, May 25, 2026

Weather Forecast

Sunny
80.4°F
58.2°F
67.8°F
77%
0 in
0%
0%
9.6 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 14.82 μg/m3
PM10: 16.1 μg/m3
Carbon Monoxide: 261.81 μg/m3
Nitrogen Dioxide: 44.1 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 30.08 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 50 mins
Moonrise: 3:08 PM
Moon Transit: 9:05 PM
Moonset: 2:33 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

8:09 AM - 10:39 AM
8:35 PM - 11:05 PM

Minor Periods

2:38 PM - 4:08 PM
2:03 AM - 3:33 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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