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

62.8°F
Clear
Clear
63°F
62.8°F
86%
ENE 4.7 mph
9.9 mph
62.8°F
58.7°F
0 in
2%
6 mi
1013 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 87°F
L: 60°F
Sunny
Tue
H: 84°F
L: 62°F
Partly Cloudy
Wed
H: 85°F
L: 64°F
Sunny
Thu
H: 82°F
L: 63°F
Sunny
Fri
H: 81°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 7.2 μg/m3
PM10: 7.3 μg/m3
Carbon Monoxide: 154 μg/m3
Nitrogen Dioxide: 25.8 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 15 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:08 PM
Sunset: 8:17 PM
Daylight: 14 hrs 18 mins
Moonrise: 10:32 PM
Moon Transit: 12:00 AM
Moonset: 11:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

10:02 PM - 11:32 PM
10:43 AM - 12:13 AM

Action Rating: 2 out of 5

Flood Watch issued August 2 at 10:56AM CDT until August 4 at 5:00AM CDT by NWS Quad Cities IA IL

Effective: Sun August 2, 2026, 10:56 AM
Expires: Mon August 3, 2026, 11:00 AM

...The Flood Watch is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. * WHAT...Flooding is possible. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until late Monday night. * IMPACTS...At 11.0 feet, Water affects County Road E63 north of the river near Toronto and affects the lowest roads in Buena Vista. * ADDITIONAL DETAILS... - At 10:30 AM CDT Sunday the stage was 10.0 feet and slowly rising. - Forecast...Flood stage may be reached this evening. - Flood stage is 11.0 feet.

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible Flood Warnings. The next statement will be issued by Monday morning.
Monday, August 3, 2026

Weather Forecast

Sunny
86.7°F
59.9°F
71.8°F
78%
0 in
9%
0%
6.9 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 8.98 μg/m3
PM10: 9.28 μg/m3
Carbon Monoxide: 154.13 μg/m3
Nitrogen Dioxide: 12.31 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 53.83 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:08 PM
Sunset: 8:17 PM
Daylight: 14 hrs 18 mins
Moonrise: 10:32 PM
Moon Transit: 12:00 AM
Moonset: 11:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

10:02 PM - 11:32 PM
10:43 AM - 12:13 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
84.1°F
62.1°F
72.7°F
80%
0 in
9%
0%
9.6 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 5.57 μg/m3
PM10: 5.71 μg/m3
Carbon Monoxide: 162.75 μg/m3
Nitrogen Dioxide: 7.53 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 71.58 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:08 PM
Sunset: 8:16 PM
Daylight: 14 hrs 16 mins
Moonrise: 10:57 PM
Moon Transit: 5:20 AM
Moonset: 12:23 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:50 AM - 7:20 AM
5:10 PM - 7:40 PM

Minor Periods

10:27 PM - 11:57 PM
11:53 AM - 1:23 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Partly Cloudy
85.4°F
63.8°F
72.6°F
82%
1.28 in
82%
0%
12.5 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 6.17 μg/m3
PM10: 6.46 μg/m3
Carbon Monoxide: 153.96 μg/m3
Nitrogen Dioxide: 8.57 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 68.38 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:08 PM
Sunset: 8:15 PM
Daylight: 14 hrs 14 mins
Moonrise: 11:27 PM
Moon Transit: 6:09 AM
Moonset: 1:36 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
6:01 PM - 8:31 PM

Minor Periods

12:00 AM - 12:00 AM
1:06 PM - 2:36 PM

Action Rating: 4 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
81.5°F
62.7°F
70.7°F
85%
0 in
23%
0%
7.2 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 3.78 μg/m3
PM10: 3.85 μg/m3
Carbon Monoxide: 148.33 μg/m3
Nitrogen Dioxide: 7.53 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:08 PM
Sunset: 8:14 PM
Daylight: 14 hrs 12 mins
Moonrise: 12:27 AM
Moon Transit: 7:03 AM
Moonset: 2:53 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
6:57 PM - 9:27 PM

Minor Periods

2:23 PM - 3:53 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
80.9°F
60.7°F
71.7°F
84%
0 in
12%
0%
11 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 12.91 μg/m3
PM10: 13.03 μg/m3
Carbon Monoxide: 280.13 μg/m3
Nitrogen Dioxide: 40.14 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 16.38 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:08 PM
Sunset: 8:12 PM
Daylight: 14 hrs 9 mins
Moonrise: 12:06 AM
Moon Transit: 8:02 AM
Moonset: 4:08 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
7:58 PM - 10:28 PM

Minor Periods

3:38 PM - 5:08 PM
12:00 AM - 12:00 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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