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

61°F
Overcast
Overcast
61°F
58.8°F
54%
SW 14.5 mph
23.8 mph
58.4°F
43°F
0 in
100%
9 mi
1016 mbar
0

Five Day Weather Forecast

Cloudy
Thu
H: 62°F
L: 49°F
Heavy rain
Fri
H: 57°F
L: 43°F
Overcast
Sat
H: 55°F
L: 37°F
Patchy rain nearby
Sun
H: 70°F
L: 52°F
Patchy rain nearby
Mon
H: 74°F
L: 64°F

Air Quality

PM2.5: 19.45 μg/m3
PM10: 21.65 μg/m3
Carbon Monoxide: 207.85 μg/m3
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:03 PM
Sunset: 7:36 PM
Daylight: 13 hrs 4 mins
Moonrise: 2:26 AM
Moon Transit: 6:44 AM
Moonset: 11:06 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:14 AM - 8:44 AM
6:34 PM - 9:04 PM

Minor Periods

10:36 AM - 12:06 AM
1:56 AM - 3:26 AM

Action Rating: 3 out of 5

Flood Warning issued April 8 at 9:36AM CDT by NWS Quad Cities IA IL

Effective: Wed April 8, 2026, 9:36 AM
Expires: Thu April 9, 2026, 9:45 AM

...The Flood Warning is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. * WHAT...Moderate flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until further notice. * 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 AM CDT Wednesday the stage was 11.0 feet. - Forecast...The river is expected to continue rising to a crest of 12.0 feet Sunday afternoon. - 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 Thursday morning at 945 AM CDT.


Flood Warning issued April 8 at 10:06AM CDT until April 12 at 6:00AM CDT by NWS Quad Cities IA IL

Effective: Wed April 8, 2026, 10:06 AM
Expires: Thu April 9, 2026, 10:15 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa... Cedar River near Conesville affecting Muscatine and Louisa Counties. * WHAT...Minor flooding is forecast. * WHERE...Cedar River near Conesville. * WHEN...From Thursday evening to Sunday morning. * 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 AM CDT Wednesday the stage was 12.2 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 13.3 feet early Friday afternoon. It will then fall below flood stage late Saturday evening. - Flood stage is 13.0 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 1015 AM CDT.


Thursday, April 9, 2026

Weather Forecast

Cloudy
61.5°F
48.9°F
55.9°F
66%
0 in
0%
0%
16.1 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 6.18 μg/m3
PM10: 6.56 μg/m3
Carbon Monoxide: 202.05 μg/m3
Nitrogen Dioxide: 4.74 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 81.24 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:03 PM
Sunset: 7:36 PM
Daylight: 13 hrs 4 mins
Moonrise: 2:26 AM
Moon Transit: 6:44 AM
Moonset: 11:06 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:14 AM - 8:44 AM
6:34 PM - 9:04 PM

Minor Periods

10:36 AM - 12:06 AM
1:56 AM - 3:26 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Heavy rain
56.7°F
43.3°F
49.6°F
80%
1.66 in
88%
0%
16.3 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 4.59 μg/m3
PM10: 5.09 μg/m3
Carbon Monoxide: 215.45 μg/m3
Nitrogen Dioxide: 5.79 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 82.6 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:03 PM
Sunset: 7:37 PM
Daylight: 13 hrs 7 mins
Moonrise: 3:05 AM
Moon Transit: 7:34 AM
Moonset: 12:09 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:04 AM - 9:34 AM
7:24 PM - 9:54 PM

Minor Periods

11:39 AM - 1:09 PM
2:35 AM - 4:05 AM

Action Rating: 3 out of 5

Saturday, April 11, 2026

Weather Forecast

Overcast
54.5°F
36.5°F
46.8°F
75%
0 in
0%
0%
16.1 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 9.17 μg/m3
PM10: 9.61 μg/m3
Carbon Monoxide: 198.9 μg/m3
Nitrogen Dioxide: 8.29 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 73.88 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:03 PM
Sunset: 7:38 PM
Daylight: 13 hrs 9 mins
Moonrise: 3:38 AM
Moon Transit: 8:23 AM
Moonset: 1:15 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:53 AM - 10:23 AM
8:12 PM - 10:42 PM

Minor Periods

12:45 AM - 2:15 PM
3:08 AM - 4:38 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Patchy rain nearby
69.7°F
51.9°F
63.1°F
84%
0.15 in
88%
0%
22.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 9.79 μg/m3
PM10: 10.1 μg/m3
Carbon Monoxide: 194.16 μg/m3
Nitrogen Dioxide: 6.03 μg/m3
Sulphur Dioxide: 3.32 μg/m3
Ozone: 84 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

Patchy rain nearby
74.4°F
63.8°F
67.6°F
87%
0.11 in
83%
0%
19.7 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: 6:26 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

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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