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

72°F
Overcast
Overcast
75.1°F
77.1°F
48%
WNW 15.4 mph
17.8 mph
76.4°F
47.7°F
0 in
100%
9 mi
1004 mbar
2.9

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 78°F
L: 59°F
Heavy rain
Wed
H: 77°F
L: 56°F
Patchy rain nearby
Thu
H: 70°F
L: 56°F
Sunny
Fri
H: 72°F
L: 53°F
Patchy rain nearby
Sat
H: 73°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 2.4 μg/m3
PM10: 2.8 μg/m3
Carbon Monoxide: 107 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 87 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

Flood Warning issued June 15 at 9:07PM CDT until June 21 at 3:00AM CDT by NWS Quad Cities IA IL

Effective: Mon June 15, 2026, 9:07 PM
Expires: Tue June 16, 2026, 9:15 PM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Wapsipinicon River near De Witt 4S affecting Clinton and Scott 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 early Sunday morning. * IMPACTS...At 12.5 feet, water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 12.8 feet. - Forecast...The river is expected to fall below flood stage Saturday evening and continue falling to 9.1 feet Monday, June 22. - 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 Tuesday afternoon at noon CDT.


Flood Warning issued June 16 at 10:23AM CDT until June 20 at 8:00PM CDT by NWS Quad Cities IA IL

Effective: Tue June 16, 2026, 10:23 AM
Expires: Wed June 17, 2026, 10:30 AM

...The Flood Warning continues 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 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Tuesday the stage was 12.7 feet. - Forecast...The river is expected to fall below flood stage early Saturday afternoon and continue falling to 8.9 feet Tuesday, June 23. - Flood stage is 11.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued by Wednesday morning at 1030 AM CDT.
Tuesday, June 16, 2026

Weather Forecast

Patchy rain nearby
78.3°F
58.6°F
68°F
54%
0.01 in
17%
0%
18.8 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 2.99 μg/m3
PM10: 3.19 μg/m3
Carbon Monoxide: 110.92 μg/m3
Nitrogen Dioxide: 5.23 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 70.71 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
77.1°F
55.7°F
64.2°F
82%
1.13 in
81%
0%
17.2 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 2.92 μg/m3
PM10: 3.2 μg/m3
Carbon Monoxide: 119.96 μg/m3
Nitrogen Dioxide: 6.14 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 67.96 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
69.9°F
55.6°F
63.1°F
78%
0.01 in
25%
0%
15.9 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 1.91 μg/m3
PM10: 1.98 μg/m3
Carbon Monoxide: 112.08 μg/m3
Nitrogen Dioxide: 6.59 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 66.79 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
71.6°F
52.6°F
62.5°F
70%
0 in
7%
0%
11.4 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 2.64 μg/m3
PM10: 2.68 μg/m3
Carbon Monoxide: 134.46 μg/m3
Nitrogen Dioxide: 9.7 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 50.71 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

Saturday, June 20, 2026

Weather Forecast

Patchy rain nearby
72.9°F
56.1°F
62.9°F
85%
0.07 in
63%
0%
9.8 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 8.7 μg/m3
PM10: 8.81 μg/m3
Carbon Monoxide: 227 μg/m3
Nitrogen Dioxide: 37.81 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 8.75 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:03 PM
Sunset: 8:40 PM
Daylight: 15 hrs 12 mins
Moonrise: 11:52 AM
Moon Transit: 6:20 PM
Moonset: 12:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
5:50 PM - 8:20 PM

Minor Periods

11:22 AM - 12:52 AM
12:00 AM - 12:00 AM

Action Rating: 4 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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