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

75°F
Sunny
Sunny
78°F
89.5°F
66%
S 15.7 mph
18.2 mph
83.4°F
72.9°F
0 in
0%
9 mi
1010 mbar
6.9

Five Day Weather Forecast

Moderate rain
Mon
H: 85°F
L: 66°F
Moderate rain
Tue
H: 67°F
L: 52°F
Sunny
Wed
H: 63°F
L: 44°F
Partly Cloudy
Thu
H: 68°F
L: 41°F
Patchy rain nearby
Fri
H: 56°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:58 AM
Sunset: 8:18 PM
Daylight: 14 hrs 38 mins
Moonrise: 6:47 AM
Moon Transit: 3:00 PM
Moonset: 11:12 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
2:30 PM - 5:00 PM

Minor Periods

12:00 AM - 12:00 AM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Special Weather Statement issued May 18 at 6:24AM CDT by NWS Quad Cities IA IL

Effective: Mon May 18, 2026, 6:24 AM
Expires: Mon May 18, 2026, 9:30 AM

Strong south to southeast winds may develop on the northern and western edge of a cluster of showers and thunderstorms tracking across southeast Iowa into west-central Illinois. Winds could gust between 40 to 50 mph at times through the mid to late morning. Unsecured outdoor objects may be blown around and the strongest gusts could bring down tree branches.


Monday, May 18, 2026

Weather Forecast

Moderate rain
84.9°F
66°F
74.7°F
76%
0.64 in
84%
0%
19.7 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 5.03 μg/m3
PM10: 5.88 μg/m3
Carbon Monoxide: 141.57 μg/m3
Nitrogen Dioxide: 4.71 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 72.2 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:58 AM
Sunset: 8:18 PM
Daylight: 14 hrs 38 mins
Moonrise: 6:47 AM
Moon Transit: 3:00 PM
Moonset: 11:12 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
2:30 PM - 5:00 PM

Minor Periods

12:00 AM - 12:00 AM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Moderate rain
67.3°F
51.6°F
61.5°F
86%
0.32 in
92%
0%
17.4 mph
3.4


Air Quality

AQI: 1 - Good
PM2.5: 3.81 μg/m3
PM10: 3.99 μg/m3
Carbon Monoxide: 139.33 μg/m3
Nitrogen Dioxide: 3.62 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 63.12 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 12:58 AM
Sunset: 8:19 PM
Daylight: 14 hrs 40 mins
Moonrise: 7:55 AM
Moon Transit: 4:05 PM
Moonset: 12:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
3:35 PM - 6:05 PM

Minor Periods

7:25 AM - 8:55 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 20, 2026

Weather Forecast

Sunny
62.7°F
43.7°F
53.1°F
67%
0 in
0%
0%
12.1 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 2.01 μg/m3
PM10: 2.11 μg/m3
Carbon Monoxide: 125.93 μg/m3
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 67.16 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:58 AM
Sunset: 8:20 PM
Daylight: 14 hrs 42 mins
Moonrise: 9:12 AM
Moon Transit: 5:07 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

4:02 AM - 6:32 AM
4:37 PM - 7:07 PM

Minor Periods

8:42 AM - 10:12 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Partly Cloudy
67.6°F
41.2°F
55.5°F
66%
0 in
0%
0%
12.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.38 μg/m3
PM10: 3.49 μg/m3
Carbon Monoxide: 134.34 μg/m3
Nitrogen Dioxide: 7.05 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 68.04 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
55.7°F
52.3°F
53.7°F
82%
0.18 in
67%
0%
13 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 5.23 μg/m3
PM10: 5.36 μg/m3
Carbon Monoxide: 161.13 μg/m3
Nitrogen Dioxide: 8.91 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 60.23 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

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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