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

73°F
Light rain
Light rain
76.8°F
89.6°F
90%
SSE 10.7 mph
20 mph
83°F
75.2°F
0.02 in
75%
9 mi
1006 mbar
5.7

Five Day Weather Forecast

Moderate rain
Wed
H: 95°F
L: 69°F
Moderate rain
Thu
H: 85°F
L: 60°F
Sunny
Fri
H: 77°F
L: 55°F
Patchy rain nearby
Sat
H: 79°F
L: 60°F
Partly Cloudy
Sun
H: 71°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 5.3 μg/m3
PM10: 6.2 μg/m3
Carbon Monoxide: 117 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 94 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:01 PM
Sunset: 8:36 PM
Daylight: 15 hrs 8 mins
Moonrise: 2:01 AM
Moon Transit: 8:42 AM
Moonset: 3:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
8:32 PM - 11:02 PM

Minor Periods

3:06 PM - 4:36 PM
1:31 AM - 3:01 AM

Action Rating: 3 out of 5

Severe Thunderstorm Watch issued June 10 at 12:01PM CDT until June 10 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Wed June 10, 2026, 12:01 PM
Expires: Wed June 10, 2026, 7:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 301 IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 9 COUNTIES IN NORTH CENTRAL ILLINOIS BUREAU PUTNAM IN NORTHWEST ILLINOIS CARROLL HENRY IL JO DAVIESS MERCER ROCK ISLAND STEPHENSON WHITESIDE IN IOWA THIS WATCH INCLUDES 10 COUNTIES IN EAST CENTRAL IOWA CEDAR CLINTON JACKSON JONES LINN MUSCATINE SCOTT IN NORTHEAST IOWA BUCHANAN DELAWARE DUBUQUE THIS INCLUDES THE CITIES OF ALEDO, ANAMOSA, BETTENDORF, CEDAR RAPIDS, CLINTON, CREDIT ISLAND, DAVENPORT, DUBUQUE, FREEPORT, GALENA, GENESEO, HENNEPIN, INDEPENDENCE, MANCHESTER, MAQUOKETA, MOLINE, MOUNT CARROLL, MUSCATINE, PRINCETON, ROCK ISLAND, STERLING, AND TIPTON.


Flood Watch issued June 10 at 10:58AM CDT until June 11 at 11:00AM CDT by NWS Quad Cities IA IL

Effective: Wed June 10, 2026, 10:58 AM
Expires: Thu June 11, 2026, 11:00 AM

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Bureau, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam, Rock Island, Warren and Whiteside, Iowa, including the following areas, Cedar, Clinton, Des Moines, Henry IA, Iowa, Jefferson, Johnson, Keokuk, Lee, Louisa, Muscatine, Scott, Van Buren and Washington, and northeast Missouri, including the following areas, Clark and Scotland. * WHEN...Through Thursday morning. * 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... - Several rounds of heavy rain producing thunderstorms are expected through Thursday morning across the watch area. The storms may be slow moving or redeveloping over the same areas resulting in torrential rainfall and possibly several inches of rain by Thursday morning.

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 Warning issued June 10 at 9:14AM CDT until June 15 at 6:00AM CDT by NWS Quad Cities IA IL

Effective: Wed June 10, 2026, 9:14 AM
Expires: Thu June 11, 2026, 9:15 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. .Rounds of heavy rain will produce flooding on portions of the Wapsipinicon River. * WHAT...Moderate flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...From Thursday evening to Monday morning. * IMPACTS...At 11.5 feet, Water affects homes along old U.S. Highway 61. * ADDITIONAL DETAILS... - At 8:30 AM CDT Wednesday the stage was 10.3 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 11.7 feet Friday morning. It will then fall below flood stage late Sunday evening. - 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 915 AM CDT.


Flood Watch issued June 10 at 11:05AM CDT until June 11 at 7:00AM CDT by NWS Lincoln IL

Effective: Wed June 10, 2026, 11:05 AM
Expires: Wed June 10, 2026, 7:15 PM

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central and west central Illinois, including the following counties, in central Illinois, De Witt, Logan, Marshall, Mason, McLean, Menard, Peoria, Sangamon, Stark, Tazewell and Woodford. In west central Illinois, Cass, Fulton, Knox, Morgan, Schuyler and Scott. * WHEN...Through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Two rounds of showers and thunderstorms will be capable of producing locally heavy rain across portions of the watch area this afternoon through tonight. - http://www.weather.gov/safety/flood

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 10, 2026

Weather Forecast

Moderate rain
95°F
69.4°F
79°F
74%
0.27 in
68%
0%
26.6 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 5.53 μg/m3
PM10: 5.98 μg/m3
Carbon Monoxide: 122.38 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 68.21 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:01 PM
Sunset: 8:36 PM
Daylight: 15 hrs 8 mins
Moonrise: 2:01 AM
Moon Transit: 8:42 AM
Moonset: 3:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
8:32 PM - 11:02 PM

Minor Periods

3:06 PM - 4:36 PM
1:31 AM - 3:01 AM

Action Rating: 3 out of 5

Thursday, June 11, 2026

Weather Forecast

Moderate rain
84.8°F
59.9°F
73.2°F
85%
0.43 in
81%
0%
23.3 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 3.36 μg/m3
PM10: 3.77 μg/m3
Carbon Monoxide: 119.13 μg/m3
Nitrogen Dioxide: 6.26 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 54.92 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:37 PM
Daylight: 15 hrs 9 mins
Moonrise: 2:27 AM
Moon Transit: 9:32 AM
Moonset: 4:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

9:25 PM - 11:55 PM
9:02 AM - 11:32 AM

Minor Periods

4:23 PM - 5:53 PM
1:57 AM - 3:27 AM

Action Rating: 2 out of 5

Friday, June 12, 2026

Weather Forecast

Sunny
77.3°F
55.1°F
66.4°F
74%
0 in
7%
0%
10.3 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 2.76 μg/m3
PM10: 3.08 μg/m3
Carbon Monoxide: 122.33 μg/m3
Nitrogen Dioxide: 6.54 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 61.21 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:37 PM
Daylight: 15 hrs 9 mins
Moonrise: 2:57 AM
Moon Transit: 10:28 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:58 AM - 12:28 AM

Minor Periods

5:44 PM - 7:14 PM
2:27 AM - 3:57 AM

Action Rating: 2 out of 5

Saturday, June 13, 2026

Weather Forecast

Patchy rain nearby
78.5°F
59.8°F
69.2°F
78%
0.07 in
57%
0%
12.5 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 3.39 μg/m3
Carbon Monoxide: 130.9 μg/m3
Nitrogen Dioxide: 6.24 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 68.92 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:38 PM
Daylight: 15 hrs 10 mins
Moonrise: 3:36 AM
Moon Transit: 11:30 AM
Moonset: 7:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:00 AM - 1:30 PM

Minor Periods

7:05 PM - 8:35 PM
3:06 AM - 4:36 AM

Action Rating: 3 out of 5

Sunday, June 14, 2026

Weather Forecast

Partly Cloudy
71.4°F
53.3°F
63.9°F
65%
0 in
17%
0%
9.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.45 μg/m3
PM10: 1.54 μg/m3
Carbon Monoxide: 143.63 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 57.63 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:38 PM
Daylight: 15 hrs 10 mins
Moonrise: 4:27 AM
Moon Transit: 12:36 AM
Moonset: 8:50 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:20 PM - 9:50 PM
3:57 AM - 5:27 AM

Action Rating: 5 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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