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

59.2°F
Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
59.2°F
60.2°F
69%
SE 13.9 mph
27.1 mph
60.4°F
49.3°F
0 in
100%
9 mi
999 mbar
0.1

Five Day Weather Forecast

Heavy rain
Wed
H: 82°F
L: 57°F
Patchy rain nearby
Thu
H: 72°F
L: 57°F
Partly Cloudy
Fri
H: 72°F
L: 52°F
Patchy rain nearby
Sat
H: 76°F
L: 57°F
Heavy rain
Sun
H: 72°F
L: 62°F

Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 4.6 μg/m3
Carbon Monoxide: 120 μg/m3
Nitrogen Dioxide: 10.2 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:03 PM
Sunset: 8:39 PM
Daylight: 15 hrs 11 mins
Moonrise: 8:07 AM
Moon Transit: 3:50 PM
Moonset: 11:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:37 AM - 9:07 AM

Action Rating: 3 out of 5

Flood Warning issued June 16 at 10:23AM CDT until June 20 at 8:00PM CDT by NWS Quad Cities IA IL

Effective: Tue June 16, 2026, 10:23 AM
Expires: Wed June 17, 2026, 10:30 AM

...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. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Saturday evening. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Tuesday the stage was 12.7 feet. - Forecast...The river is expected to fall below flood stage early Saturday afternoon and continue falling to 8.9 feet Tuesday, June 23. - 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 Wednesday morning at 1030 AM CDT.


Flood Warning issued June 16 at 7:50PM CDT until June 22 at 1:48AM CDT by NWS Quad Cities IA IL

Effective: Tue June 16, 2026, 7:50 PM
Expires: Wed June 17, 2026, 8:00 PM

...The Flood Warning is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton 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 Monday morning. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 7:30 PM CDT Tuesday the stage was 12.6 feet and falling slowly. - Forecast...The river is expected to hold around 12.5 feet through early Thursday afternoon. It will then fall below flood stage Sunday afternoon. - 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 Wednesday evening at 800 PM CDT.


Severe Thunderstorm Warning issued June 17 at 7:08AM CDT until June 17 at 8:00AM CDT by NWS Quad Cities IA IL

Effective: Wed June 17, 2026, 7:08 AM
Expires: Wed June 17, 2026, 8:00 AM

SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Northwestern Louisa County in southeastern Iowa... Northeastern Keokuk County in southeastern Iowa... Cedar County in east central Iowa... Johnson County in east central Iowa... Northern Washington County in southeastern Iowa... Southern Jones County in east central Iowa... Muscatine County in east central Iowa... Southeastern Linn County in east central Iowa... * Until 800 AM CDT. * At 706 AM CDT, severe thunderstorms were located along a line extending from Whittier to near Hills to near Keota, moving east at 65 mph. THESE ARE DESTRUCTIVE STORMS FOR I-80 CORRIDOR INCLUDING IOWA CITY, CEDAR RAPIDS, TIPTON, ANAMOSA, WEST BRANCH, AND MUSCATINE. HAZARD...80 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. Measured wind gust to 78 mph at the Cedar Rapids Airport. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. * Locations impacted include... Cedar Rapids, Iowa City, Muscatine, Anamosa, Tipton, West Branch, Columbus Junction, Durant, Mechanicsville, Stanwood, Marion, Coralville, North Liberty, Mount Vernon, West Liberty, Wilton, Kalona, Lisbon, Solon, and Tiffin. This includes the following highways... Interstate 80 in Iowa between mile markers 235 and 277. Interstate 380 between mile markers 1 and 18, and near mile marker 21.

For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.


Flood Watch issued June 17 at 6:51AM CDT until June 17 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Wed June 17, 2026, 6:51 AM
Expires: Wed June 17, 2026, 7:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of north central and northwest Illinois, including the following areas, in north central Illinois, Bureau and Putnam. In northwest Illinois, Henry IL and Whiteside. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall, with some seeing repeating rounds of storms though the day. There will be the potential to see around 2 inches or more of rainfall.

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.


Wednesday, June 17, 2026

Weather Forecast

Heavy rain
82.4°F
57.4°F
65.2°F
79%
1.64 in
78%
0%
18.6 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 4.06 μg/m3
Carbon Monoxide: 121.33 μg/m3
Nitrogen Dioxide: 6.47 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 67.08 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:03 PM
Sunset: 8:39 PM
Daylight: 15 hrs 11 mins
Moonrise: 8:07 AM
Moon Transit: 3:50 PM
Moonset: 11:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:37 AM - 9:07 AM

Action Rating: 3 out of 5

Thursday, June 18, 2026

Weather Forecast

Patchy rain nearby
71.7°F
57.2°F
63.1°F
77%
0.02 in
39%
0%
15 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 1.84 μg/m3
PM10: 1.88 μg/m3
Carbon Monoxide: 117.58 μg/m3
Nitrogen Dioxide: 4.48 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 68 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

Partly Cloudy
71.9°F
51.8°F
62.2°F
73%
0 in
11%
0%
12.3 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 2.16 μg/m3
PM10: 2.2 μg/m3
Carbon Monoxide: 115.88 μg/m3
Nitrogen Dioxide: 6.9 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 55.04 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
75.7°F
56.8°F
65.2°F
78%
0.16 in
68%
0%
13.6 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 3.82 μg/m3
PM10: 4.52 μg/m3
Carbon Monoxide: 116.33 μg/m3
Nitrogen Dioxide: 8.59 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 62.88 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
71.5°F
61.8°F
64.4°F
94%
2.02 in
93%
0%
19 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.61 μg/m3
PM10: 2.91 μg/m3
Carbon Monoxide: 141.75 μg/m3
Nitrogen Dioxide: 9.66 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 50.88 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

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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