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

39°F
Clear
Clear
34.5°F
40.5°F
86%
SSE 6 mph
12.7 mph
40°F
32.4°F
0 in
0%
9 mi
1012 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 73°F
L: 38°F
Partly Cloudy
Wed
H: 65°F
L: 48°F
Patchy rain nearby
Thu
H: 46°F
L: 34°F
Partly Cloudy
Fri
H: 41°F
L: 31°F
Sunny
Sat
H: 42°F
L: 25°F

Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 12.45 μg/m3
Carbon Monoxide: 256.85 μg/m3
Nitrogen Dioxide: 10.35 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:16 AM
Sunset: 5:38 PM
Daylight: 10 hrs 44 mins
Moonrise: 7:05 AM
Moon Transit: 12:29 AM
Moonset: 6:04 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:59 AM - 2:29 PM

Minor Periods

5:34 PM - 7:04 PM
6:35 AM - 8:05 AM

Action Rating: 5 out of 5

Tuesday, February 17, 2026

Weather Forecast

Sunny
73.4°F
38.3°F
49.9°F
72%
0 in
0%
0%
18.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 11.05 μg/m3
PM10: 11.13 μg/m3
Carbon Monoxide: 242.01 μg/m3
Nitrogen Dioxide: 10.95 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 54.84 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:16 AM
Sunset: 5:38 PM
Daylight: 10 hrs 44 mins
Moonrise: 7:05 AM
Moon Transit: 12:29 AM
Moonset: 6:04 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:59 AM - 2:29 PM

Minor Periods

5:34 PM - 7:04 PM
6:35 AM - 8:05 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Partly Cloudy
65.1°F
48.4°F
53.8°F
61%
0 in
0%
0%
21.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.2 μg/m3
PM10: 7.42 μg/m3
Carbon Monoxide: 187.05 μg/m3
Nitrogen Dioxide: 5.23 μg/m3
Sulphur Dioxide: 2.67 μg/m3
Ozone: 78.44 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:16 AM
Sunset: 5:40 PM
Daylight: 10 hrs 46 mins
Moonrise: 7:28 AM
Moon Transit: 1:15 PM
Moonset: 7:14 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:17 AM - 2:47 AM
12:45 AM - 3:15 PM

Minor Periods

6:44 PM - 8:14 PM
6:58 AM - 8:28 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Patchy rain nearby
45.5°F
34°F
40.8°F
85%
0.17 in
78%
0%
19.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.22 μg/m3
PM10: 5.67 μg/m3
Carbon Monoxide: 215.25 μg/m3
Nitrogen Dioxide: 11.06 μg/m3
Sulphur Dioxide: 3.69 μg/m3
Ozone: 57.92 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:16 AM
Sunset: 5:41 PM
Daylight: 10 hrs 49 mins
Moonrise: 7:49 AM
Moon Transit: 3:07 PM
Moonset: 8:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

1:03 AM - 3:33 AM
2:37 PM - 5:07 PM

Minor Periods

7:55 PM - 9:25 PM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Partly Cloudy
41.3°F
30.9°F
36.8°F
65%
0 in
0%
0%
22.4 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 6.07 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 191.57 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:15 AM
Sunset: 5:42 PM
Daylight: 10 hrs 52 mins
Moonrise: 8:12 AM
Moon Transit: 2:47 PM
Moonset: 9:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
2:17 PM - 4:47 PM

Minor Periods

9:07 PM - 10:37 PM
7:42 AM - 9:12 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Sunny
41.7°F
24.7°F
30.3°F
60%
0 in
0%
0%
10.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.76 μg/m3
PM10: 7 μg/m3
Carbon Monoxide: 230.35 μg/m3
Nitrogen Dioxide: 9.39 μg/m3
Sulphur Dioxide: 2.13 μg/m3
Ozone: 45.69 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:15 AM
Sunset: 5:43 PM
Daylight: 10 hrs 54 mins
Moonrise: 8:36 AM
Moon Transit: 3:36 PM
Moonset: 10:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
3:06 PM - 5:36 PM

Minor Periods

10:22 PM - 11:52 PM
8:06 AM - 9:36 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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