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
Cloudy
Cloudy
71.1°F
73.9°F
59%
NW 9.6 mph
11.7 mph
70°F
58.8°F
0 in
25%
9 mi
1008 mbar
8.9

Five Day Weather Forecast

Sunny
Thu
H: 79°F
L: 60°F
Patchy rain nearby
Fri
H: 74°F
L: 53°F
Patchy rain nearby
Sat
H: 76°F
L: 59°F
Moderate rain
Sun
H: 63°F
L: 60°F
Partly Cloudy
Mon
H: 75°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 1.3 μg/m3
PM10: 1.4 μg/m3
Carbon Monoxide: 113 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 77 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

Flood Warning issued June 17 at 8:43PM CDT until June 21 at 1:48PM CDT by NWS Quad Cities IA IL

Effective: Wed June 17, 2026, 8:43 PM
Expires: Thu June 18, 2026, 8:45 PM

...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 and major flooding is forecast. This approaches the flood of record. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until early Sunday afternoon. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 12.5 feet and steady. - Forecast...The river is expected to rise to a crest of 12.6 feet just after midnight tonight. It will then fall below flood stage early Sunday morning. - 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 Thursday evening at 845 PM CDT.


Flood Warning issued June 18 at 10:15AM CDT until June 21 at 6:36AM CDT by NWS Quad Cities IA IL

Effective: Thu June 18, 2026, 10:15 AM
Expires: Fri June 19, 2026, 10:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. Iowa River at Oakville affecting Louisa County. La Moine River at Colmar affecting McDonough and Hancock Counties. ...The Flood Warning is extended for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Louisa, Johnson and Washington Counties. Iowa River at Marengo affecting Benton and Iowa Counties. English River at Kalona affecting Johnson and Washington Counties. * WHAT...Major flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Sunday morning. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Thursday the stage was 12.5 feet and steady. - Forecast...The river is expected to rise to a crest of 12.6 feet this afternoon. It will then fall below flood stage late Saturday 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 this evening at 900 PM CDT.


Flood Warning issued June 17 at 8:58PM CDT until June 21 at 11:00AM CDT by NWS Quad Cities IA IL

Effective: Wed June 17, 2026, 8:58 PM
Expires: Thu June 18, 2026, 9:00 PM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa... Iowa River near Lone Tree affecting Louisa, Johnson and Washington Counties. Iowa River at Wapello affecting Louisa County. Iowa River at Oakville affecting Louisa County. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Oakville. * WHEN...From late Friday night to late Sunday morning. * IMPACTS...At 11.0 feet, Flood waters begin to impact agricultural land. * ADDITIONAL DETAILS... - At 8:00 PM CDT Wednesday the stage was 8.5 feet and rising. - Forecast...The river is expected to rise above flood stage early Saturday morning to a crest of 11.2 feet early Saturday afternoon. It will then fall below flood stage early Sunday morning. - 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 evening at 900 PM CDT.


Flood Warning issued June 18 at 10:15AM CDT until June 21 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Thu June 18, 2026, 10:15 AM
Expires: Fri June 19, 2026, 10:15 AM

...The Flood Warning continues for the following rivers in Iowa... Illinois... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. Iowa River at Oakville affecting Louisa County. La Moine River at Colmar affecting McDonough and Hancock Counties. ...The Flood Warning is extended for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Louisa, Johnson and Washington Counties. Iowa River at Marengo affecting Benton and Iowa Counties. English River at Kalona affecting Johnson and Washington Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Oakville. * WHEN...From Friday evening to late Sunday morning. * IMPACTS...At 11.0 feet, Flood waters begin to impact agricultural land. * ADDITIONAL DETAILS... - At 10:00 AM CDT Thursday the stage was 9.9 feet and rising. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 11.2 feet Saturday morning. It will then fall below flood stage early Sunday morning. - 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 this evening at 900 PM CDT.


Flood Warning issued June 17 at 8:58PM CDT until June 21 at 7:00AM CDT by NWS Quad Cities IA IL

Effective: Wed June 17, 2026, 8:58 PM
Expires: Thu June 18, 2026, 9:00 PM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa... Iowa River near Lone Tree affecting Louisa, Johnson and Washington Counties. Iowa River at Wapello affecting Louisa County. Iowa River at Oakville affecting Louisa County. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Wapello. * WHEN...From Friday morning to Sunday morning. * IMPACTS...At 21.0 feet, Agricultural land near the river is flooded and water covers most islands. Water starts rising onto secondary roads in Wapello Bottoms. * ADDITIONAL DETAILS... - At 8:00 PM CDT Wednesday the stage was 19.0 feet and rising. - Forecast...The river is expected to rise above flood stage Friday morning to a crest of 21.5 feet Saturday morning. It will then fall below flood stage late Saturday evening. - Flood stage is 21.0 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 evening at 900 PM CDT.


Thursday, June 18, 2026

Weather Forecast

Sunny
79°F
59.7°F
67.7°F
72%
0 in
7%
0%
15.4 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
74.2°F
53.2°F
63.1°F
79%
0.06 in
57%
0%
9.4 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
76.2°F
58.6°F
67.3°F
79%
0.02 in
37%
0%
6.7 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

Moderate rain
62.5°F
59.6°F
61.4°F
93%
0.42 in
92%
0%
13.6 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

Monday, June 22, 2026

Weather Forecast

Partly Cloudy
74.5°F
56°F
65.3°F
81%
0 in
17%
0%
16.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 0.91 μg/m3
PM10: 0.91 μg/m3
Carbon Monoxide: 128.38 μg/m3
Nitrogen Dioxide: 5.4 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 40.5 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 12 mins
Moonrise: 2:04 PM
Moon Transit: 7:45 PM
Moonset: 12:57 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

6:50 AM - 9:20 AM
7:15 PM - 9:45 PM

Minor Periods

1:34 PM - 3:04 PM
12:27 AM - 1:57 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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