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

77.2°F
Sunny
Sunny
66.6°F
80.5°F
75%
NE 7.4 mph
8.5 mph
77.2°F
68.6°F
0 in
3%
6 mi
1009 mbar
2.3

Five Day Weather Forecast

Sunny
Tue
H: 94°F
L: 70°F
Sunny
Wed
H: 85°F
L: 62°F
Sunny
Thu
H: 86°F
L: 64°F
Light rain shower
Fri
H: 71°F
L: 66°F
Light drizzle
Sat
H: 79°F
L: 65°F

Air Quality

AQI: 1 - Good
PM2.5: 6 μg/m3
PM10: 6.4 μg/m3
Carbon Monoxide: 139 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:08 PM
Sunset: 8:24 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:14 PM
Moon Transit: 12:05 AM
Moonset: 4:37 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:55 AM - 2:25 PM

Minor Periods

7:44 PM - 9:14 PM
4:07 AM - 5:37 AM

Action Rating: 4 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
94.3°F
69.9°F
80.2°F
70%
0 in
5%
0%
10.7 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 5.9 μg/m3
PM10: 6.24 μg/m3
Carbon Monoxide: 141 μg/m3
Nitrogen Dioxide: 5.3 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 78.46 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:08 PM
Sunset: 8:24 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:14 PM
Moon Transit: 12:05 AM
Moonset: 4:37 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:55 AM - 2:25 PM

Minor Periods

7:44 PM - 9:14 PM
4:07 AM - 5:37 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
85.4°F
62.3°F
73.8°F
65%
0 in
4%
0%
7.8 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 7.11 μg/m3
PM10: 7.43 μg/m3
Carbon Monoxide: 146.5 μg/m3
Nitrogen Dioxide: 9.99 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 67.46 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:08 PM
Sunset: 8:23 PM
Daylight: 14 hrs 29 mins
Moonrise: 8:42 PM
Moon Transit: 12:54 AM
Moonset: 5:42 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
12:43 AM - 3:13 PM

Minor Periods

8:12 PM - 9:42 PM
5:12 AM - 6:42 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
86.4°F
64.2°F
75.1°F
73%
0 in
8%
0%
12.8 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 7.56 μg/m3
PM10: 7.91 μg/m3
Carbon Monoxide: 143.33 μg/m3
Nitrogen Dioxide: 9.95 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 79.88 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:08 PM
Sunset: 8:22 PM
Daylight: 14 hrs 27 mins
Moonrise: 9:07 PM
Moon Transit: 1:40 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
1:28 PM - 3:58 PM

Minor Periods

8:37 PM - 10:07 PM
6:18 AM - 7:48 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Light rain shower
70.8°F
65.9°F
67.6°F
95%
1.25 in
93%
0%
12.8 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 4.41 μg/m3
PM10: 4.6 μg/m3
Carbon Monoxide: 184.7 μg/m3
Nitrogen Dioxide: 9.99 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 68.04 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:08 PM
Sunset: 8:21 PM
Daylight: 14 hrs 25 mins
Moonrise: 9:28 PM
Moon Transit: 2:25 AM
Moonset: 7:53 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:55 AM - 4:25 AM
2:12 PM - 4:42 PM

Minor Periods

8:58 PM - 10:28 PM
7:23 AM - 8:53 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Light drizzle
78.6°F
64.5°F
70.7°F
86%
0.21 in
82%
0%
12.8 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 5.13 μg/m3
PM10: 5.33 μg/m3
Carbon Monoxide: 258.38 μg/m3
Nitrogen Dioxide: 5.81 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 80.75 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

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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