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

82.9°F
Sunny
Sunny
91.8°F
89.7°F
79%
E 3.8 mph
5.8 mph
82°F
75.7°F
0 in
0%
8 mi
1019 mbar
2.9

Five Day Weather Forecast

Sunny
Thu
H: 100°F
L: 70°F
Patchy rain nearby
Fri
H: 87°F
L: 72°F
Sunny
Sat
H: 90°F
L: 71°F
Sunny
Sun
H: 83°F
L: 66°F
Sunny
Mon
H: 88°F
L: 67°F

Air Quality

AQI: 1 - Good
PM2.5: 7.9 μg/m3
PM10: 8.9 μg/m3
Carbon Monoxide: 151 μg/m3
Nitrogen Dioxide: 8.1 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 110 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:08 PM
Sunset: 8:34 PM
Daylight: 14 hrs 52 mins
Moonrise: 8:18 AM
Moon Transit: 3:23 PM
Moonset: 10:15 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

2:23 AM - 4:53 AM
2:53 PM - 5:23 PM

Minor Periods

9:45 PM - 11:15 PM
7:48 AM - 9:18 AM

Action Rating: 3 out of 5

Flood Warning issued July 15 at 8:59PM CDT until July 18 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Wed July 15, 2026, 8:59 PM
Expires: Thu July 16, 2026, 9:00 PM

...The Flood Warning is extended 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 late tonight to late Saturday 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 2:00 PM CDT Wednesday the stage was 12.7 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 13.4 feet Friday morning. It will then fall below flood stage early Saturday 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 Thursday evening at 900 PM CDT.
Thursday, July 16, 2026

Weather Forecast

Sunny
99.5°F
70.2°F
82.2°F
75%
0.13 in
63%
0%
4.9 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 8.66 μg/m3
PM10: 10.07 μg/m3
Carbon Monoxide: 143.83 μg/m3
Nitrogen Dioxide: 14.01 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 96.96 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:08 PM
Sunset: 8:34 PM
Daylight: 14 hrs 52 mins
Moonrise: 8:18 AM
Moon Transit: 3:23 PM
Moonset: 10:15 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

2:23 AM - 4:53 AM
2:53 PM - 5:23 PM

Minor Periods

9:45 PM - 11:15 PM
7:48 AM - 9:18 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Patchy rain nearby
87.2°F
71.7°F
79.1°F
82%
0.26 in
76%
0%
6.9 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 6.03 μg/m3
Carbon Monoxide: 145.08 μg/m3
Nitrogen Dioxide: 6.86 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 101.21 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:08 PM
Sunset: 8:34 PM
Daylight: 14 hrs 50 mins
Moonrise: 9:32 AM
Moon Transit: 4:12 PM
Moonset: 10:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
3:42 PM - 6:12 PM

Minor Periods

10:09 PM - 11:39 PM
9:02 AM - 10:32 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
89.6°F
70.6°F
79.6°F
80%
0.01 in
22%
0%
11.9 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 3.68 μg/m3
PM10: 4.18 μg/m3
Carbon Monoxide: 127.17 μg/m3
Nitrogen Dioxide: 4.88 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 91.63 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:08 PM
Sunset: 8:33 PM
Daylight: 14 hrs 49 mins
Moonrise: 10:43 AM
Moon Transit: 4:57 PM
Moonset: 11:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

4:00 AM - 6:30 AM
4:27 PM - 6:57 PM

Minor Periods

12:00 AM - 12:00 AM
10:13 AM - 11:43 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
83.1°F
66.1°F
73.9°F
81%
0 in
13%
0%
7.6 mph
3.2


Air Quality

AQI: 1 - Good
PM2.5: 6.61 μg/m3
PM10: 6.69 μg/m3
Carbon Monoxide: 180.39 μg/m3
Nitrogen Dioxide: 5.81 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 94.29 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:08 PM
Sunset: 8:32 PM
Daylight: 14 hrs 47 mins
Moonrise: 11:51 AM
Moon Transit: 5:41 PM
Moonset: 12:00 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
5:11 PM - 7:41 PM

Minor Periods

11:21 AM - 12:51 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
88.2°F
67.1°F
75.8°F
82%
0.02 in
40%
0%
16.6 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.99 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 306.25 μg/m3
Nitrogen Dioxide: 11.05 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 73.88 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:08 PM
Sunset: 8:31 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:57 AM
Moon Transit: 6:24 PM
Moonset: 12:21 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
5:54 PM - 8:24 PM

Minor Periods

12:27 AM - 1:57 PM
12:00 AM - 12:00 AM

Action Rating: 4 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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