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

80.1°F
Partly cloudy
Partly cloudy
83.9°F
82.8°F
64%
WNW 9.8 mph
14.3 mph
79°F
71.7°F
0 in
75%
9 mi
1013 mbar
2.9

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 82°F
L: 63°F
Sunny
Thu
H: 75°F
L: 59°F
Overcast
Fri
H: 68°F
L: 60°F
Moderate rain
Sat
H: 77°F
L: 58°F
Moderate rain
Sun
H: 88°F
L: 69°F

Air Quality

AQI: 1 - Good
PM2.5: 5.5 μg/m3
PM10: 6 μg/m3
Carbon Monoxide: 121 μg/m3
Nitrogen Dioxide: 2.3 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 100 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 11 mins
Moonrise: 4:13 PM
Moon Transit: 9:12 PM
Moonset: 1:40 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
8:42 PM - 11:12 PM

Minor Periods

3:43 PM - 5:13 PM
1:10 AM - 2:40 AM

Action Rating: 3 out of 5

Severe Thunderstorm Watch issued June 24 at 1:56PM CDT until June 24 at 10:00PM CDT by NWS Quad Cities IA IL

Effective: Wed June 24, 2026, 1:56 PM
Expires: Wed June 24, 2026, 10:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 387 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 8 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS CARROLL HENRY IL JO DAVIESS ROCK ISLAND STEPHENSON WHITESIDE IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN EAST CENTRAL IOWA CEDAR CLINTON JACKSON JONES MUSCATINE SCOTT IN NORTHEAST IOWA DELAWARE DUBUQUE THIS INCLUDES THE CITIES OF ANAMOSA, BETTENDORF, CLINTON, CREDIT ISLAND, DAVENPORT, DUBUQUE, FREEPORT, GALENA, GENESEO, HENNEPIN, MANCHESTER, MAQUOKETA, MOLINE, MOUNT CARROLL, MUSCATINE, PRINCETON, ROCK ISLAND, STERLING, AND TIPTON.
Wednesday, June 24, 2026

Weather Forecast

Patchy rain nearby
82°F
62.6°F
70.6°F
82%
0.06 in
57%
0%
12.1 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 5.42 μg/m3
PM10: 5.68 μg/m3
Carbon Monoxide: 133.25 μg/m3
Nitrogen Dioxide: 7.81 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 70.04 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 11 mins
Moonrise: 4:13 PM
Moon Transit: 9:12 PM
Moonset: 1:40 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
8:42 PM - 11:12 PM

Minor Periods

3:43 PM - 5:13 PM
1:10 AM - 2:40 AM

Action Rating: 3 out of 5

Thursday, June 25, 2026

Weather Forecast

Sunny
74.9°F
59°F
67.3°F
78%
0 in
9%
0%
8.3 mph
5.3


Air Quality

AQI: 1 - Good
PM2.5: 2.1 μg/m3
PM10: 2.12 μg/m3
Carbon Monoxide: 149.54 μg/m3
Nitrogen Dioxide: 7.83 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 53.21 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 11 mins
Moonrise: 5:16 PM
Moon Transit: 9:58 PM
Moonset: 2:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

9:00 AM - 11:30 AM
9:28 PM - 11:58 PM

Minor Periods

4:46 PM - 6:16 PM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Friday, June 26, 2026

Weather Forecast

Overcast
68.4°F
59.6°F
64.2°F
83%
0 in
20%
0%
13.6 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.4 μg/m3
Carbon Monoxide: 151.88 μg/m3
Nitrogen Dioxide: 9.68 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 61.54 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 11 mins
Moonrise: 6:20 PM
Moon Transit: 10:47 PM
Moonset: 2:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

9:47 AM - 12:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:50 PM - 7:20 PM
2:05 AM - 3:35 AM

Action Rating: 2 out of 5

Saturday, June 27, 2026

Weather Forecast

Moderate rain
76.7°F
57.7°F
67.7°F
89%
0.38 in
88%
0%
12.8 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 4.03 μg/m3
PM10: 4.12 μg/m3
Carbon Monoxide: 147.08 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 72.63 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 10 mins
Moonrise: 7:19 PM
Moon Transit: 11:37 PM
Moonset: 3:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

10:37 AM - 1:07 PM
12:00 AM - 12:00 AM

Minor Periods

6:49 PM - 8:19 PM
2:41 AM - 4:11 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Moderate rain
88.1°F
69.1°F
78.3°F
87%
0.42 in
83%
0%
13 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 3.59 μg/m3
PM10: 3.63 μg/m3
Carbon Monoxide: 196.5 μg/m3
Nitrogen Dioxide: 9.86 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 56.88 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 10 mins
Moonrise: 8:13 PM
Moon Transit: 12:00 AM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:28 AM - 1:58 PM

Minor Periods

7:43 PM - 9:13 PM
3:24 AM - 4:54 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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