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

53.1°F
Clear
Clear
52°F
56.5°F
86%
W 4.7 mph
9.9 mph
56.7°F
50.1°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 75°F
L: 54°F
Patchy rain nearby
Tue
H: 71°F
L: 57°F
Heavy rain
Wed
H: 78°F
L: 55°F
Patchy rain nearby
Thu
H: 73°F
L: 55°F
Sunny
Fri
H: 69°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 11.7 μg/m3
PM10: 12 μg/m3
Carbon Monoxide: 137 μg/m3
Nitrogen Dioxide: 40.1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 9 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:38 PM
Daylight: 15 hrs 11 mins
Moonrise: 5:31 AM
Moon Transit: 1:44 PM
Moonset: 9:53 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
1:14 PM - 3:44 PM

Minor Periods

9:23 PM - 10:53 PM
5:01 AM - 6:31 AM

Action Rating: 4 out of 5

Flood Warning issued June 14 at 9:17AM CDT until June 15 at 6:00PM CDT by NWS Quad Cities IA IL

Effective: Sun June 14, 2026, 9:17 AM
Expires: Mon June 15, 2026, 9:30 AM

...The Flood Warning is extended for the following rivers in Illinois... Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. Rock River at Moline affecting Rock Island and Henry IL Counties. * WHAT...Minor flooding is occurring. * WHERE...Rock River at Moline. * WHEN...Until tomorrow evening. * IMPACTS...At 12.0 feet, Water affects residences near the 27th Street bridge. Water is over portions of 60th St south of Green Valley Sports Complex and portions of 56th Ave along the north side of the river. * ADDITIONAL DETAILS... - At 8:30 AM CDT Sunday the stage was 12.1 feet. - Forecast...The river is expected to rise to a crest of 12.2 feet this afternoon. It will then fall below flood stage late tomorrow morning. - Flood stage is 12.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Monday morning at 930 AM CDT.


Flood Warning issued June 14 at 9:17AM CDT until June 15 at 3:00PM CDT by NWS Quad Cities IA IL

Effective: Sun June 14, 2026, 9:17 AM
Expires: Mon June 15, 2026, 9:30 AM

...The Flood Warning is extended for the following rivers in Illinois... Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. Rock River at Moline affecting Rock Island and Henry IL Counties. * WHAT...Minor flooding is occurring. * WHERE...Rock River near Joslin. * WHEN...Until tomorrow afternoon. * IMPACTS...At 12.5 feet, Water affects some summer cottages along the river. * ADDITIONAL DETAILS... - At 8:45 AM CDT Sunday the stage was 12.7 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 7.5 feet Sunday, June 21. - Flood stage is 12.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Monday morning at 930 AM CDT.


Flood Warning issued June 14 at 9:13AM CDT until June 20 at 8:08PM CDT by NWS Quad Cities IA IL

Effective: Sun June 14, 2026, 9:13 AM
Expires: Mon June 15, 2026, 9:15 AM

...The Flood Warning is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. * WHAT...Major flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Saturday evening. * IMPACTS...At 13.0 feet, Water affects many residences along the river. * ADDITIONAL DETAILS... - At 8:30 AM CDT Sunday the stage was 12.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 AM CDT Sunday was 12.9 feet. - Forecast...The river is expected to crest at 12.9 feet this afternoon and evening. It will then fall below flood stage next Saturday, June 20th. - Flood stage is 11.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Monday morning at 915 AM CDT.


Monday, June 15, 2026

Weather Forecast

Sunny
74.7°F
53.6°F
63.6°F
67%
0 in
5%
0%
11.2 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 5.05 μg/m3
PM10: 5.2 μg/m3
Carbon Monoxide: 123.75 μg/m3
Nitrogen Dioxide: 11.58 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 56.29 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:38 PM
Daylight: 15 hrs 11 mins
Moonrise: 5:31 AM
Moon Transit: 1:44 PM
Moonset: 9:53 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
1:14 PM - 3:44 PM

Minor Periods

9:23 PM - 10:53 PM
5:01 AM - 6:31 AM

Action Rating: 4 out of 5

Tuesday, June 16, 2026

Weather Forecast

Patchy rain nearby
71.4°F
57.4°F
63.8°F
73%
0.16 in
63%
0%
18.1 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 3.41 μg/m3
Carbon Monoxide: 116.08 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 69.83 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:03 PM
Sunset: 8:39 PM
Daylight: 15 hrs 11 mins
Moonrise: 6:47 AM
Moon Transit: 2:50 PM
Moonset: 10:43 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:20 PM - 4:50 PM

Minor Periods

10:13 PM - 11:43 PM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Wednesday, June 17, 2026

Weather Forecast

Heavy rain
78.3°F
55.2°F
64.3°F
88%
0.94 in
87%
0%
17.7 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 2.8 μg/m3
PM10: 2.99 μg/m3
Carbon Monoxide: 123.04 μg/m3
Nitrogen Dioxide: 6.38 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 62.38 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:03 PM
Sunset: 8:39 PM
Daylight: 15 hrs 11 mins
Moonrise: 8:07 AM
Moon Transit: 3:50 PM
Moonset: 11:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:37 AM - 9:07 AM

Action Rating: 3 out of 5

Thursday, June 18, 2026

Weather Forecast

Patchy rain nearby
72.5°F
55°F
62.4°F
79%
0.1 in
67%
0%
18.6 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 1.7 μg/m3
PM10: 1.72 μg/m3
Carbon Monoxide: 120.53 μg/m3
Nitrogen Dioxide: 5.7 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 69.08 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:03 PM
Sunset: 8:39 PM
Daylight: 15 hrs 12 mins
Moonrise: 9:26 AM
Moon Transit: 4:45 PM
Moonset: 12:20 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
4:15 PM - 6:45 PM

Minor Periods

8:56 AM - 10:26 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
69.1°F
49.7°F
58.1°F
77%
0 in
10%
0%
14.5 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 5.91 μg/m3
PM10: 6 μg/m3
Carbon Monoxide: 181.38 μg/m3
Nitrogen Dioxide: 22.43 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 27.63 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:03 PM
Sunset: 8:40 PM
Daylight: 15 hrs 12 mins
Moonrise: 10:41 AM
Moon Transit: 5:34 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
5:04 PM - 7:34 PM

Minor Periods

10:11 AM - 11:41 AM
12:00 AM - 12:00 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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