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

71.1°F
Clear
Clear
71.1°F
76.3°F
93%
ESE 8.1 mph
15.9 mph
71.7°F
68.7°F
0 in
0%
9 mi
1012 mbar
0

Five Day Weather Forecast

Heavy rain
Mon
H: 81°F
L: 71°F
Moderate rain
Tue
H: 87°F
L: 68°F
Moderate rain
Wed
H: 89°F
L: 73°F
Moderate rain
Thu
H: 87°F
L: 66°F
Sunny
Fri
H: 76°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 3.5 μg/m3
Carbon Monoxide: 133 μg/m3
Nitrogen Dioxide: 4.4 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 79 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:01 PM
Sunset: 8:35 PM
Daylight: 15 hrs 7 mins
Moonrise: 1:18 AM
Moon Transit: 12:00 AM
Moonset: 1:15 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

12:45 AM - 2:15 PM
12:48 AM - 2:18 AM

Action Rating: 2 out of 5

Flood Watch issued June 7 at 11:46AM CDT until June 8 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Sun June 7, 2026, 11:46 AM
Expires: Mon June 8, 2026, 12:00 PM

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Bureau, Carroll, Henry IL, Jo Daviess, Mercer, Putnam, Rock Island and Whiteside and Iowa, including the following areas, Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson, Jones, Linn, Muscatine and Scott. * WHEN...Through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Exceptionally high amounts of moisture will combine with persistent lift from an area of low pressure aloft to bring repeated heavy rain from thunderstorms.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Monday, June 8, 2026

Weather Forecast

Heavy rain
81.2°F
70.8°F
74.8°F
88%
1.34 in
92%
0%
11.4 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 2.84 μg/m3
PM10: 2.99 μg/m3
Carbon Monoxide: 129.42 μg/m3
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 63.67 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:01 PM
Sunset: 8:35 PM
Daylight: 15 hrs 7 mins
Moonrise: 1:18 AM
Moon Transit: 12:00 AM
Moonset: 1:15 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

12:45 AM - 2:15 PM
12:48 AM - 2:18 AM

Action Rating: 2 out of 5

Tuesday, June 9, 2026

Weather Forecast

Moderate rain
86.7°F
68.4°F
78.1°F
84%
0.26 in
82%
0%
11.4 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 3.94 μg/m3
PM10: 4.07 μg/m3
Carbon Monoxide: 131.33 μg/m3
Nitrogen Dioxide: 9.88 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 61.96 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:01 PM
Sunset: 8:36 PM
Daylight: 15 hrs 8 mins
Moonrise: 1:39 AM
Moon Transit: 5:27 AM
Moonset: 2:25 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
4:57 AM - 7:27 AM

Minor Periods

1:55 PM - 3:25 PM
1:09 AM - 2:39 AM

Action Rating: 2 out of 5

Wednesday, June 10, 2026

Weather Forecast

Moderate rain
88.9°F
73°F
80°F
80%
0.47 in
78%
0%
19 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 4.98 μg/m3
PM10: 5.5 μg/m3
Carbon Monoxide: 121.25 μg/m3
Nitrogen Dioxide: 4.22 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 70.04 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:01 PM
Sunset: 8:36 PM
Daylight: 15 hrs 8 mins
Moonrise: 2:01 AM
Moon Transit: 8:42 AM
Moonset: 3:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
8:32 PM - 11:02 PM

Minor Periods

3:06 PM - 4:36 PM
1:31 AM - 3:01 AM

Action Rating: 3 out of 5

Thursday, June 11, 2026

Weather Forecast

Moderate rain
86.9°F
65.6°F
77.5°F
83%
0.55 in
86%
0%
25.5 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 2.6 μg/m3
PM10: 2.98 μg/m3
Carbon Monoxide: 122.87 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:37 PM
Daylight: 15 hrs 9 mins
Moonrise: 2:27 AM
Moon Transit: 9:32 AM
Moonset: 4:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

9:25 PM - 11:55 PM
9:02 AM - 11:32 AM

Minor Periods

4:23 PM - 5:53 PM
1:57 AM - 3:27 AM

Action Rating: 2 out of 5

Friday, June 12, 2026

Weather Forecast

Sunny
76.3°F
56.3°F
65.5°F
76%
0 in
3%
0%
13.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4.91 μg/m3
PM10: 6.48 μg/m3
Carbon Monoxide: 153.75 μg/m3
Nitrogen Dioxide: 15.81 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 29.38 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:37 PM
Daylight: 15 hrs 9 mins
Moonrise: 2:57 AM
Moon Transit: 10:28 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:58 AM - 12:28 AM

Minor Periods

5:44 PM - 7:14 PM
2:27 AM - 3:57 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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