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

48.9°F
Sunny
Sunny
42.8°F
50.1°F
29%
NW 17 mph
21.7 mph
44.8°F
20.9°F
0 in
0%
9 mi
1032 mbar
0.5

Five Day Weather Forecast

Sunny
Fri
H: 54°F
L: 33°F
Sunny
Sat
H: 55°F
L: 27°F
Cloudy
Sun
H: 59°F
L: 35°F
Patchy rain nearby
Mon
H: 76°F
L: 49°F
Patchy rain nearby
Tue
H: 75°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 4.65 μg/m3
PM10: 4.75 μg/m3
Carbon Monoxide: 217.85 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:07 PM
Sunset: 7:22 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:38 PM
Moon Transit: 9:20 PM
Moonset: 4:16 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

8:18 AM - 10:48 AM
8:50 PM - 11:20 PM

Minor Periods

1:08 PM - 2:38 PM
3:46 AM - 5:16 AM

Action Rating: 2 out of 5

Special Weather Statement issued March 27 at 11:45AM CDT by NWS Quad Cities IA IL

Effective: Fri March 27, 2026, 11:45 AM
Expires: Fri March 27, 2026, 6:00 PM

Northwest winds gusting between 30 to 35 mph will combine with low humidity and dry vegetation to produce an Elevated Fire Danger through early this evening. If a fire were to start under these conditions, there would be an increased threat of fire spread and it would be difficult to control. Outdoor burning is strongly discouraged. Use extra caution while operating outdoor equipment around dry vegetation and do not carelessly discard cigarettes.


Friday, March 27, 2026

Weather Forecast

Sunny
54°F
33.4°F
42°F
54%
0 in
0%
0%
19.5 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 4.67 μg/m3
PM10: 4.96 μg/m3
Carbon Monoxide: 203.97 μg/m3
Nitrogen Dioxide: 3.77 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 82.36 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:07 PM
Sunset: 7:22 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:38 PM
Moon Transit: 9:20 PM
Moonset: 4:16 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

8:18 AM - 10:48 AM
8:50 PM - 11:20 PM

Minor Periods

1:08 PM - 2:38 PM
3:46 AM - 5:16 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Sunny
55.4°F
26.6°F
39.7°F
45%
0 in
0%
0%
17 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 5.37 μg/m3
PM10: 5.59 μg/m3
Carbon Monoxide: 210.93 μg/m3
Nitrogen Dioxide: 5.54 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 80.12 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:07 PM
Sunset: 7:23 PM
Daylight: 12 hrs 31 mins
Moonrise: 2:52 PM
Moon Transit: 10:11 PM
Moonset: 4:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

9:11 AM - 11:41 AM
12:00 AM - 12:00 AM

Minor Periods

2:22 PM - 3:52 PM
4:20 AM - 5:50 AM

Action Rating: 2 out of 5

Sunday, March 29, 2026

Weather Forecast

Cloudy
58.6°F
35.2°F
46.6°F
65%
0 in
0%
0%
15.7 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 5.12 μg/m3
PM10: 5.25 μg/m3
Carbon Monoxide: 199.13 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 2.42 μg/m3
Ozone: 86.84 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:06 PM
Sunset: 7:24 PM
Daylight: 12 hrs 34 mins
Moonrise: 4:03 PM
Moon Transit: 10:58 PM
Moonset: 5:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

10:00 AM - 12:30 AM
12:00 AM - 12:00 AM

Minor Periods

3:33 PM - 5:03 PM
4:47 AM - 6:17 AM

Action Rating: 2 out of 5

Monday, March 30, 2026

Weather Forecast

Patchy rain nearby
75.9°F
48.8°F
61.6°F
72%
0.02 in
84%
0%
18.8 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 9.64 μg/m3
PM10: 9.74 μg/m3
Carbon Monoxide: 203.29 μg/m3
Nitrogen Dioxide: 8.21 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 77.88 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:06 PM
Sunset: 7:25 PM
Daylight: 12 hrs 37 mins
Moonrise: 5:12 PM
Moon Transit: 11:42 PM
Moonset: 5:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

10:46 AM - 1:16 PM
12:00 AM - 12:00 AM

Minor Periods

4:42 PM - 6:12 PM
5:10 AM - 6:40 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Patchy rain nearby
74.5°F
52.2°F
65.4°F
67%
0.02 in
88%
0%
22.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 7.3 μg/m3
PM10: 7.63 μg/m3
Carbon Monoxide: 171.16 μg/m3
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 94.54 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:06 PM
Sunset: 7:26 PM
Daylight: 12 hrs 39 mins
Moonrise: 6:19 PM
Moon Transit: 12:00 AM
Moonset: 6:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:30 AM - 2:00 PM

Minor Periods

5:49 PM - 7:19 PM
5:31 AM - 7:01 AM

Action Rating: 4 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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