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

73.9°F
Sunny
Sunny
75.7°F
78°F
50%
NW 4.5 mph
6.8 mph
77.4°F
50.1°F
0 in
0%
9 mi
1014 mbar
0.5

Five Day Weather Forecast

Sunny
Sat
H: 85°F
L: 58°F
Heavy rain
Sun
H: 62°F
L: 54°F
Patchy rain nearby
Mon
H: 74°F
L: 53°F
Sunny
Tue
H: 74°F
L: 53°F
Patchy rain nearby
Wed
H: 77°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 2.3 μg/m3
Carbon Monoxide: 115 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 68 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

Flood Warning issued June 20 at 10:06AM CDT until June 22 at 9:00AM CDT by NWS Quad Cities IA IL

Effective: Sat June 20, 2026, 10:06 AM
Expires: Sun June 21, 2026, 10:15 AM

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. Iowa River at Marengo affecting Iowa and Benton Counties. * WHAT...Moderate flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until early Monday 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 9:30 AM CDT Saturday the stage was 12.3 feet. - Forecast...The river is expected to fall below flood stage early Monday morning and continue falling to 8.6 feet Saturday, June 27. - 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 Sunday morning at 1015 AM CDT.


Flood Warning issued June 19 at 8:41PM CDT until June 22 at 5:00PM CDT by NWS Quad Cities IA IL

Effective: Fri June 19, 2026, 8:41 PM
Expires: Sat June 20, 2026, 8:45 PM

...The Flood Warning is extended 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 Monday afternoon. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 8:30 PM CDT Friday the stage was 12.6 feet and steady. - Forecast...The river is expected to hold around 12.6 feet through tonight and then slowly fall. It will then fall below flood stage late 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. The next statement will be issued by Saturday evening at 845 PM CDT.


Flood Warning issued June 20 at 6:39PM CDT until June 23 at 3:00PM CDT by NWS Quad Cities IA IL

Effective: Sat June 20, 2026, 6:39 PM
Expires: Sun June 21, 2026, 6:45 PM

...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 occurring and moderate flooding is forecast. This approaches the flood of record. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Tuesday afternoon. * 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 6:30 PM CDT Saturday the stage was 11.9 feet and falling. - Forecast...The river will fall below flood stage tomorrow morning and continue falling to 10.2 feet early Monday morning. It will then rise to flood stage Tuesday morning then fall below flood stage Tuesday evening. - 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 Sunday evening at 645 PM CDT.


Flood Watch issued June 20 at 12:51PM CDT until June 22 at 1:00AM CDT by NWS Lincoln IL

Effective: Sat June 20, 2026, 12:51 PM
Expires: Sun June 21, 2026, 5:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and west central Illinois, including the following counties, in central Illinois, Marshall, McLean, Peoria, Stark, Tazewell and Woodford. In west central Illinois, Knox. * WHEN...From Sunday morning through late Sunday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Rainfall amounts of 1.50 to 2.50 inches are expected with locally higher amounts possible. - 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.


Saturday, June 20, 2026

Weather Forecast

Sunny
84.7°F
58.3°F
70.7°F
64%
0 in
4%
0%
9.4 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 6.19 μg/m3
PM10: 6.57 μg/m3
Carbon Monoxide: 116.75 μg/m3
Nitrogen Dioxide: 7.96 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 61.58 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

Heavy rain
61.8°F
54.1°F
59.6°F
87%
1.57 in
85%
0%
16.6 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 4.08 μg/m3
PM10: 4.17 μg/m3
Carbon Monoxide: 136.67 μg/m3
Nitrogen Dioxide: 14.25 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 43.71 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

Patchy rain nearby
74.4°F
52.5°F
62.9°F
80%
0.01 in
26%
0%
11.9 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 3.42 μg/m3
PM10: 3.54 μg/m3
Carbon Monoxide: 113.13 μg/m3
Nitrogen Dioxide: 4.82 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 66.25 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

Tuesday, June 23, 2026

Weather Forecast

Sunny
74.4°F
52.9°F
64°F
71%
0 in
6%
0%
6 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 3.76 μg/m3
Carbon Monoxide: 141.66 μg/m3
Nitrogen Dioxide: 11.83 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 44.88 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 12 mins
Moonrise: 3:08 PM
Moon Transit: 8:28 PM
Moonset: 1:18 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
7:58 PM - 10:28 PM

Minor Periods

2:38 PM - 4:08 PM
12:48 AM - 2:18 AM

Action Rating: 2 out of 5

Wednesday, June 24, 2026

Weather Forecast

Patchy rain nearby
76.8°F
56.2°F
66.7°F
77%
0.06 in
57%
0%
10.7 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 7.63 μg/m3
PM10: 7.75 μg/m3
Carbon Monoxide: 217.5 μg/m3
Nitrogen Dioxide: 29.94 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 22.63 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 11 mins
Moonrise: 4:13 PM
Moon Transit: 9:12 PM
Moonset: 1:40 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
8:42 PM - 11:12 PM

Minor Periods

3:43 PM - 5:13 PM
1:10 AM - 2:40 AM

Action Rating: 3 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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