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

71.1°F
Clear
Clear
71.1°F
65°F
66%
W 12.5 mph
26.3 mph
64.8°F
59°F
0 in
0%
9 mi
998 mbar
0

Five Day Weather Forecast

Heavy rain
Wed
H: 75°F
L: 57°F
Patchy rain nearby
Thu
H: 70°F
L: 58°F
Patchy rain nearby
Fri
H: 74°F
L: 52°F
Patchy rain nearby
Sat
H: 78°F
L: 59°F
Heavy rain
Sun
H: 62°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 4.5 μg/m3
PM10: 4.7 μg/m3
Carbon Monoxide: 112 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 68 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

Flood Warning issued June 16 at 7:50PM CDT until June 22 at 1:48AM CDT by NWS Quad Cities IA IL

Effective: Tue June 16, 2026, 7:50 PM
Expires: Wed June 17, 2026, 8:00 PM

...The Flood Warning is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. * WHAT...Major flooding is occurring and major flooding is forecast. This approaches the flood of record. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until early Monday morning. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 7:30 PM CDT Tuesday the stage was 12.6 feet and falling slowly. - Forecast...The river is expected to hold around 12.5 feet through early Thursday afternoon. It will then fall below flood stage Sunday afternoon. - 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 evening at 800 PM CDT.


Flood Warning issued June 17 at 9:51AM CDT until June 23 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Wed June 17, 2026, 9:51 AM
Expires: Thu June 18, 2026, 10:00 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 and major flooding is forecast to continue. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until late Tuesday morning. * IMPACTS...At 13.0 feet, Water affects many residences along the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Wednesday the stage was 12.5 feet. - Forecast...The river is expected to rise to a crest of 12.8 feet just after midnight tonight. It will then slowly fall through the weekend. - 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 Thursday morning at 1000 AM CDT.


Flood Watch issued June 17 at 6:51AM CDT until June 17 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Wed June 17, 2026, 6:51 AM
Expires: Wed June 17, 2026, 7:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of north central and northwest Illinois, including the following areas, in north central Illinois, Bureau and Putnam. In northwest Illinois, Henry IL and Whiteside. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall, with some seeing repeating rounds of storms though the day. There will be the potential to see around 2 inches or more of rainfall.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Watch issued June 17 at 10:07AM CDT until June 17 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Wed June 17, 2026, 10:07 AM
Expires: Wed June 17, 2026, 7:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of north central and northwest Illinois, including the following areas, in north central Illinois, Bureau and Putnam. In northwest Illinois, Henry IL and Whiteside. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall, with some seeing repeating rounds of storms though the day. There will be the potential to see around 3 inches or more of rainfall.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Wednesday, June 17, 2026

Weather Forecast

Heavy rain
74.7°F
56.5°F
62.8°F
77%
2.01 in
74%
0%
19.2 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 3.06 μg/m3
PM10: 3.31 μg/m3
Carbon Monoxide: 119.63 μg/m3
Nitrogen Dioxide: 6.93 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 64.5 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
69.5°F
57.7°F
64.2°F
78%
0.01 in
36%
0%
15.2 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 2.43 μg/m3
PM10: 2.49 μg/m3
Carbon Monoxide: 116.21 μg/m3
Nitrogen Dioxide: 4.71 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 67.71 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

Patchy rain nearby
74.3°F
52.4°F
62.4°F
79%
0.1 in
62%
0%
11.6 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 3.82 μg/m3
Carbon Monoxide: 125.46 μg/m3
Nitrogen Dioxide: 8.18 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 56.46 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
77.9°F
58.8°F
68.2°F
81%
0.09 in
70%
0%
9.8 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 4.05 μg/m3
PM10: 4.6 μg/m3
Carbon Monoxide: 115.42 μg/m3
Nitrogen Dioxide: 7.03 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 62.96 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

Sunday, June 21, 2026

Weather Forecast

Heavy rain
62°F
54.7°F
60.4°F
95%
3.43 in
91%
0%
21.5 mph
4.9


Air Quality

AQI: 1 - Good
PM2.5: 2.12 μg/m3
PM10: 2.15 μg/m3
Carbon Monoxide: 130.74 μg/m3
Nitrogen Dioxide: 8.18 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 41.08 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 12 mins
Moonrise: 12:59 AM
Moon Transit: 7:03 PM
Moonset: 12:37 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

6:07 AM - 8:37 AM
6:33 PM - 9:03 PM

Minor Periods

12:29 AM - 1:59 PM
12:07 AM - 1:37 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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