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

81°F
Sunny
Sunny
85.1°F
87.8°F
62%
SSW 17.2 mph
19.8 mph
82.7°F
73.9°F
0 in
0%
9 mi
1008 mbar
5.1

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 91°F
L: 66°F
Heavy rain
Mon
H: 82°F
L: 64°F
Moderate rain
Tue
H: 68°F
L: 50°F
Sunny
Wed
H: 62°F
L: 43°F
Patchy rain nearby
Thu
H: 69°F
L: 44°F

Air Quality

AQI: 1 - Good
PM2.5: 7.95 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 140.85 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 112 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:58 AM
Sunset: 8:17 PM
Daylight: 14 hrs 36 mins
Moonrise: 5:49 AM
Moon Transit: 1:52 PM
Moonset: 10:03 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
1:22 PM - 3:52 PM

Minor Periods

9:33 PM - 11:03 PM
5:19 AM - 6:49 AM

Action Rating: 4 out of 5

Sunday, May 17, 2026

Weather Forecast

Patchy rain nearby
91°F
65.8°F
76.7°F
71%
0.19 in
87%
0%
18.1 mph
5.1


Air Quality

AQI: 1 - Good
PM2.5: 7.35 μg/m3
PM10: 8.57 μg/m3
Carbon Monoxide: 151.97 μg/m3
Nitrogen Dioxide: 6.86 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 81.16 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:58 AM
Sunset: 8:17 PM
Daylight: 14 hrs 36 mins
Moonrise: 5:49 AM
Moon Transit: 1:52 PM
Moonset: 10:03 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
1:22 PM - 3:52 PM

Minor Periods

9:33 PM - 11:03 PM
5:19 AM - 6:49 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Heavy rain
82.2°F
63.6°F
74°F
83%
1.24 in
89%
0%
25.3 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 5.85 μg/m3
PM10: 6.92 μg/m3
Carbon Monoxide: 142.21 μg/m3
Nitrogen Dioxide: 4.5 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 74.6 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
68°F
50.4°F
61.6°F
85%
0.72 in
83%
0%
19 mph
3.4


Air Quality

AQI: 1 - Good
PM2.5: 4.89 μg/m3
PM10: 5.37 μg/m3
Carbon Monoxide: 139.77 μg/m3
Nitrogen Dioxide: 4.3 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 64.24 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
62.4°F
42.5°F
52.7°F
66%
0 in
0%
0%
11 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 2.03 μg/m3
PM10: 2.11 μg/m3
Carbon Monoxide: 126.64 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 65.8 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

Patchy rain nearby
69.1°F
44.4°F
57.7°F
64%
0.03 in
64%
0%
11.2 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.37 μg/m3
PM10: 3.5 μg/m3
Carbon Monoxide: 143.03 μg/m3
Nitrogen Dioxide: 7.66 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 59.46 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

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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