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

77.7°F
Sunny
Sunny
77°F
79.6°F
33%
W 9.2 mph
10.6 mph
81.1°F
48.4°F
0 in
0%
9 mi
1013 mbar
6.4

Five Day Weather Forecast

Sunny
Mon
H: 82°F
L: 51°F
Patchy rain nearby
Tue
H: 72°F
L: 57°F
Heavy rain
Wed
H: 81°F
L: 56°F
Overcast
Thu
H: 70°F
L: 57°F
Sunny
Fri
H: 71°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 2.6 μg/m3
PM10: 2.8 μg/m3
Carbon Monoxide: 107 μg/m3
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 96 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 8:12PM CDT until June 16 at 12:00AM CDT by NWS Quad Cities IA IL

Effective: Sun June 14, 2026, 8:12 PM
Expires: Mon June 15, 2026, 8:15 PM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. 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 early Tuesday morning. * IMPACTS...At 12.5 feet, Water affects some residences in the lower Friendship Farm area. 60th St is under water south of the Green Valley Sports Complex. 56th St along the north side of the river is under water. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 12.3 feet and steady. - The river is near crest now. - Forecast...The river is expected to hover around the crest of 12.3 feet through just after midnight tonight. It will then fall below flood stage tomorrow afternoon. - 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 evening at 815 PM CDT.


Flood Warning issued June 15 at 8:18AM CDT until June 16 at 12:00PM CDT by NWS Quad Cities IA IL

Effective: Mon June 15, 2026, 8:18 AM
Expires: Tue June 16, 2026, 8:30 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 early tomorrow afternoon. * IMPACTS...At 12.5 feet, Water affects some residences in the lower Friendship Farm area. 60th St is under water south of the Green Valley Sports Complex. 56th St along the north side of the river is under water. * ADDITIONAL DETAILS... - At 7:30 AM CDT Monday the stage was 12.4 feet. - The river is near crest now. - Forecast...The river is expected to crest at 12.4 feet this afternoon. It will then fall below flood stage late tonight. - 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 late tonight at 130 AM CDT.


Flood Warning issued June 14 at 8:12PM CDT until June 16 at 12:00AM CDT by NWS Quad Cities IA IL

Effective: Sun June 14, 2026, 8:12 PM
Expires: Mon June 15, 2026, 8:15 PM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. 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 early Tuesday morning. * IMPACTS...At 12.5 feet, Water affects some summer cottages along the river. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 12.7 feet and steady. - The river is near crest now. - Forecast...The river is expected to fall below flood stage tomorrow afternoon and continue falling to 7.4 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 evening at 815 PM CDT.


Flood Warning issued June 15 at 8:18AM CDT until June 16 at 1:30AM CDT by NWS Quad Cities IA IL

Effective: Mon June 15, 2026, 8:18 AM
Expires: Tue June 16, 2026, 1:30 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 just after midnight tonight. * IMPACTS...At 12.5 feet, Water affects some summer cottages along the river. * ADDITIONAL DETAILS... - At 7:45 AM CDT Monday the stage was 12.5 feet. - Forecast...The river is expected to fall below flood stage late this afternoon and continue falling to 7.3 feet by Monday, June 22. - 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 late tonight at 130 AM CDT.


Flood Warning issued June 14 at 8:12PM CDT until June 21 at 1:00AM CDT by NWS Quad Cities IA IL

Effective: Sun June 14, 2026, 8:12 PM
Expires: Mon June 15, 2026, 8:15 PM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. Rock River at Moline affecting Rock Island and Henry IL Counties. * WHAT...Major flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Sunday, June 21. * IMPACTS...At 13.0 feet, Water affects many residences along the river. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 12.9 feet and slowly falling. - The river crested earlier this afternoon. - Forecast...The river is expected to fall below flood stage Saturday afternoon and continue falling to 9.6 feet next Sunday, June 21. - 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 evening at 815 PM CDT.
Monday, June 15, 2026

Weather Forecast

Sunny
82.4°F
50.9°F
67.5°F
54%
0 in
2%
0%
10.3 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
71.9°F
57.1°F
63.9°F
67%
0.01 in
36%
0%
15.7 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
80.6°F
56.2°F
67.1°F
83%
0.84 in
82%
0%
24.6 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

Overcast
70.3°F
56.5°F
61.8°F
73%
0 in
19%
0%
20.8 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
70.5°F
53°F
62.2°F
71%
0 in
8%
0%
14.8 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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