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

57°F
Clear
Clear
54.6°F
52.3°F
77%
S 10.3 mph
18.1 mph
51.7°F
46.7°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Moderate rain
Sun
H: 71°F
L: 50°F
Thundery outbreaks in nearby
Mon
H: 76°F
L: 62°F
Thundery outbreaks in nearby
Tue
H: 79°F
L: 67°F
Moderate rain
Wed
H: 73°F
L: 62°F
Patchy rain nearby
Thu
H: 75°F
L: 60°F

Air Quality

PM2.5: 8.25 μg/m3
PM10: 8.55 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:03 PM
Sunset: 7:39 PM
Daylight: 13 hrs 12 mins
Moonrise: 4:06 AM
Moon Transit: 9:10 AM
Moonset: 2:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:40 AM - 11:10 AM
8:58 PM - 11:28 PM

Minor Periods

1:54 PM - 3:24 PM
3:36 AM - 5:06 AM

Action Rating: 2 out of 5

Flood Warning issued April 11 at 9:50AM CDT until April 16 at 3:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 9:50 AM
Expires: Sun April 12, 2026, 10:00 AM

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. This approaches the flood of record. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until early Thursday morning. * IMPACTS...At 12.0 feet, Overbank flooding occurs. Water affects residences along the river between Wheatland and Calamus. Water affects businesses along the river near Calamus. At 12.5 feet, Major Flood Stage. Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Saturday the stage was 12.1 feet and rising. - Forecast...The river is expected to rise to a crest of 12.4 feet early Monday morning. - Flood stage is 11.0 feet.

Caution is urged when walking near riverbanks. 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 Sunday morning at 1000 AM CDT.


Flood Warning issued April 11 at 9:04PM CDT until April 16 at 3:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 9:04 PM
Expires: Sun April 12, 2026, 9:15 PM

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until early Thursday morning. * IMPACTS...At 12.0 feet, Overbank flooding occurs. Water affects residences along the river between Wheatland and Calamus. Water affects businesses along the river near Calamus. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday the stage was 12.2 feet. - Forecast...The river is expected to rise to a crest of 12.4 feet early tomorrow afternoon. It will then fall below flood stage Wednesday evening. - Flood stage is 11.0 feet.

Caution is urged when walking near riverbanks. 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 Sunday evening at 915 PM CDT.


Flood Warning issued April 11 at 10:12AM CDT until April 14 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 10:12 AM
Expires: Sun April 12, 2026, 10:15 AM

...The Flood Warning is extended for the following rivers in Iowa... Cedar River near Conesville affecting Muscatine and Louisa Counties. Iowa River at Wapello affecting Louisa County. Iowa River at Oakville affecting Louisa County. ...The Flood Warning continues for the following rivers in Iowa... Iowa River at Marengo affecting Iowa and Benton Counties. * WHAT...Minor flooding is occurring and will continue. * WHERE...Cedar River near Conesville. * WHEN...Until late Tuesday morning. * IMPACTS...At 14.0 feet, Water affects residences along County Road F70. * ADDITIONAL DETAILS... - At 10:00 AM CDT Saturday the stage was 13.8 feet and slowly rising. - Forecast...The river is expected to rise to a crest of 13.9 feet this evening. - Flood stage is 13.0 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. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. The next statement will be issued by Sunday morning at 1015 AM CDT.


Flood Warning issued April 11 at 9:13PM CDT until April 13 at 6:00PM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 9:13 PM
Expires: Sun April 12, 2026, 9:15 PM

...The Flood Warning continues for the following rivers in Iowa... Cedar River near Conesville affecting Muscatine and Louisa Counties. Iowa River at Wapello affecting Louisa County. Iowa River at Marengo affecting Iowa and Benton Counties. ...The Flood Warning is extended for the following rivers in Iowa... Iowa River at Oakville affecting Louisa County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Cedar River near Conesville. * WHEN...Until Monday evening. * IMPACTS...At 13.5 feet, Water affects yards and access roads of residences along Iowa Highway 22. Water affects the lowest sections of campgrounds just north of I-80 along the river and the lowest sections of Jack Shuger Memorial Park in Moscow. Water is also on 152nd Street north of County Road F70. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 13.7 feet. - Recent Activity...The river has crested. - Forecast...The river is expected to rise to a crest of 13.7 feet just after midnight tonight. It will then fall below flood stage late Monday morning. - Flood stage is 13.0 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 Sunday evening at 915 PM CDT.


Flood Warning issued April 11 at 10:12AM CDT until April 15 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Sat April 11, 2026, 10:12 AM
Expires: Sun April 12, 2026, 10:15 AM

...The Flood Warning is extended for the following rivers in Iowa... Cedar River near Conesville affecting Muscatine and Louisa Counties. Iowa River at Wapello affecting Louisa County. Iowa River at Oakville affecting Louisa County. ...The Flood Warning continues for the following rivers in Iowa... Iowa River at Marengo affecting Iowa and Benton Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Oakville. * WHEN...From this evening to late Wednesday morning. * IMPACTS...At 11.5 feet, River Road is under water and the water is a few feet up onto the levee. * ADDITIONAL DETAILS... - At 10:00 AM CDT Saturday the stage was 10.6 feet and rising. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 11.6 feet Monday 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. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. The next statement will be issued by Sunday morning at 1015 AM CDT.


Sunday, April 12, 2026

Weather Forecast

Moderate rain
71.2°F
50°F
61.1°F
86%
0.57 in
71%
0%
22.8 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 7.58 μg/m3
PM10: 7.85 μg/m3
Carbon Monoxide: 175.97 μg/m3
Nitrogen Dioxide: 4.52 μg/m3
Sulphur Dioxide: 2.82 μg/m3
Ozone: 86.4 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:03 PM
Sunset: 7:39 PM
Daylight: 13 hrs 12 mins
Moonrise: 4:06 AM
Moon Transit: 9:10 AM
Moonset: 2:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:40 AM - 11:10 AM
8:58 PM - 11:28 PM

Minor Periods

1:54 PM - 3:24 PM
3:36 AM - 5:06 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Thundery outbreaks in nearby
76.1°F
62.2°F
68.3°F
88%
0 in
0%
0%
20.1 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 3.6 μg/m3
PM10: 3.78 μg/m3
Carbon Monoxide: 153.89 μg/m3
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 75.88 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:02 PM
Sunset: 7:41 PM
Daylight: 13 hrs 15 mins
Moonrise: 4:31 AM
Moon Transit: 9:56 AM
Moonset: 3:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:26 AM - 11:56 AM

Minor Periods

3:02 PM - 4:32 PM
4:01 AM - 5:31 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Thundery outbreaks in nearby
79°F
66.7°F
71.8°F
88%
0 in
0%
0%
19.5 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 4.32 μg/m3
PM10: 4.58 μg/m3
Carbon Monoxide: 157.5 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 75.88 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:02 PM
Sunset: 7:42 PM
Daylight: 13 hrs 18 mins
Moonrise: 4:53 AM
Moon Transit: 10:42 AM
Moonset: 4:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:12 AM - 12:42 AM

Minor Periods

4:13 PM - 5:43 PM
4:23 AM - 5:53 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Moderate rain
73.3°F
61.5°F
67.6°F
86%
0.78 in
88%
0%
21 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 5.06 μg/m3
PM10: 5.27 μg/m3
Carbon Monoxide: 154.89 μg/m3
Nitrogen Dioxide: 3.9 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 72.31 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:02 PM
Sunset: 7:43 PM
Daylight: 13 hrs 20 mins
Moonrise: 5:15 AM
Moon Transit: 10:33 AM
Moonset: 5:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

10:03 AM - 12:33 AM
10:03 AM - 12:33 AM

Minor Periods

5:25 PM - 6:55 PM
4:45 AM - 6:15 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Patchy rain nearby
74.8°F
59.8°F
65.7°F
76%
0.07 in
87%
0%
19.5 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:02 PM
Sunset: 7:44 PM
Daylight: 13 hrs 23 mins
Moonrise: 5:38 AM
Moon Transit: 12:17 AM
Moonset: 7:11 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:47 AM - 2:17 PM

Minor Periods

6:41 PM - 8:11 PM
5:08 AM - 6:38 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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