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

81°F
Sunny
Sunny
81.3°F
83.5°F
44%
W 11.2 mph
14 mph
82.6°F
59.6°F
0 in
25%
9 mi
1014 mbar
3

Five Day Weather Forecast

Sunny
Fri
H: 85°F
L: 57°F
Patchy rain nearby
Sat
H: 83°F
L: 59°F
Sunny
Sun
H: 69°F
L: 53°F
Sunny
Mon
H: 72°F
L: 53°F
Patchy rain nearby
Tue
H: 77°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 1.8 μg/m3
PM10: 2 μg/m3
Carbon Monoxide: 112 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:37 PM
Daylight: 15 hrs 9 mins
Moonrise: 2:57 AM
Moon Transit: 10:28 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:58 AM - 12:28 AM

Minor Periods

5:44 PM - 7:14 PM
2:27 AM - 3:57 AM

Action Rating: 2 out of 5

Flood Warning issued June 11 at 8:55PM CDT until June 15 at 6:00AM CDT by NWS Quad Cities IA IL

Effective: Thu June 11, 2026, 8:55 PM
Expires: Fri June 12, 2026, 9:00 PM

...The Flood Warning continues for the following rivers in Illinois... Rock River at Moline affecting Henry IL and Rock Island Counties. ...The Flood Warning is cancelled for the following rivers in Illinois... Rock River near Joslin affecting Henry IL, Rock Island and Whiteside Counties. * WHAT...Minor flooding is forecast. * WHERE...Rock River at Moline. * WHEN...From late Saturday night to Monday morning. * IMPACTS...At 12.0 feet, Water affects residences near the 27th Street bridge. Water is over portions of 60th St south of Green Valley Sports Complex and portions of 56th Ave along the north side of the river. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 9.8 feet and rising. - Forecast...The river is expected to rise above flood stage early Sunday morning to a crest of 12.1 feet Sunday morning. It will then fall below flood stage late Sunday evening. - Flood stage is 12.0 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 this evening at 1000 PM CDT.


Flood Warning issued June 12 at 11:18AM CDT until June 15 at 7:31AM CDT by NWS Quad Cities IA IL

Effective: Fri June 12, 2026, 11:18 AM
Expires: Sat June 13, 2026, 11:30 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Illinois... Rock River near Joslin affecting Rock Island, Henry IL and Whiteside Counties. * WHAT...Minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...From Saturday morning to Monday morning. * IMPACTS...At 13.0 feet, Flooding of unprotected agricultural land occurs. Water also affects Lundeens Landing Campground. * ADDITIONAL DETAILS... - At 10:45 AM CDT Friday the stage was 8.2 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 13.0 feet early Sunday morning. It will then fall below flood stage late Sunday evening. - Flood stage is 12.0 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 Saturday morning at 1130 AM CDT.


Flood Warning issued June 12 at 11:18AM CDT until June 15 at 12:00PM CDT by NWS Quad Cities IA IL

Effective: Fri June 12, 2026, 11:18 AM
Expires: Sat June 13, 2026, 11:30 AM

...The Flood Warning is extended for the following rivers in Illinois... Rock River at Moline affecting Rock Island and Henry IL Counties. * WHAT...Minor flooding is forecast. * WHERE...Rock River at Moline. * WHEN...From Saturday evening to early Monday afternoon. * IMPACTS...At 12.5 feet, Water affects some residences in the lower Friendship Farm area. 60th St is under water south of the Green Valley Sports Complex. 56th St along the north side of the river is under water. * ADDITIONAL DETAILS... - At 10:30 AM CDT Friday the stage was 10.2 feet. - Forecast...The river is expected to rise above flood stage late tomorrow evening to a crest of 12.3 feet early Sunday afternoon. It will then fall below flood stage early Monday morning. - Flood stage is 12.0 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 Saturday morning at 1130 AM CDT.


Flood Warning issued June 11 at 7:48PM CDT by NWS Quad Cities IA IL

Effective: Thu June 11, 2026, 7:48 PM
Expires: Fri June 12, 2026, 8:00 PM

...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 major flooding is forecast. This approaches the flood of record. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until further notice. * IMPACTS...At 13.0 feet, Water affects many residences along the river. * ADDITIONAL DETAILS... - At 7:30 PM CDT Thursday the stage was 11.6 feet and rising. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM CDT Thursday was 11.6 feet. - Forecast...The river is expected to rise to a crest of 12.9 feet early Sunday 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 Friday evening at 800 PM CDT.


Flood Warning issued June 12 at 10:17AM CDT by NWS Quad Cities IA IL

Effective: Fri June 12, 2026, 10:17 AM
Expires: Sat June 13, 2026, 10:30 AM

...The Flood Warning continues for the following rivers in Iowa... Maquoketa River near Maquoketa affecting Jackson County. Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... Skunk River at Augusta affecting Henry IA, Lee and Des Moines Counties. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until further notice. * IMPACTS...At 13.0 feet, Water affects many residences along the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Friday the stage was 12.1 feet. - Forecast...The river is expected to rise to a crest of 12.9 feet early Sunday morning. - 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 this morning at 1130 AM CDT.


Friday, June 12, 2026

Weather Forecast

Sunny
84.6°F
57°F
70.7°F
67%
0 in
5%
0%
13.4 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 3.51 μg/m3
PM10: 3.98 μg/m3
Carbon Monoxide: 118.25 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:37 PM
Daylight: 15 hrs 9 mins
Moonrise: 2:57 AM
Moon Transit: 10:28 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:58 AM - 12:28 AM

Minor Periods

5:44 PM - 7:14 PM
2:27 AM - 3:57 AM

Action Rating: 2 out of 5

Saturday, June 13, 2026

Weather Forecast

Patchy rain nearby
83°F
59.2°F
71.4°F
74%
0.06 in
57%
0%
13.6 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 4.41 μg/m3
PM10: 4.82 μg/m3
Carbon Monoxide: 124.33 μg/m3
Nitrogen Dioxide: 7.05 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 68.25 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:38 PM
Daylight: 15 hrs 10 mins
Moonrise: 3:36 AM
Moon Transit: 11:30 AM
Moonset: 7:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:00 AM - 1:30 PM

Minor Periods

7:05 PM - 8:35 PM
3:06 AM - 4:36 AM

Action Rating: 3 out of 5

Sunday, June 14, 2026

Weather Forecast

Sunny
69.1°F
52.6°F
61.9°F
67%
0 in
17%
0%
17 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 1.62 μg/m3
PM10: 1.76 μg/m3
Carbon Monoxide: 110.38 μg/m3
Nitrogen Dioxide: 4.71 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 63.21 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:38 PM
Daylight: 15 hrs 10 mins
Moonrise: 4:27 AM
Moon Transit: 12:36 AM
Moonset: 8:50 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:06 AM - 2:36 PM

Minor Periods

8:20 PM - 9:50 PM
3:57 AM - 5:27 AM

Action Rating: 5 out of 5

Monday, June 15, 2026

Weather Forecast

Sunny
72.2°F
53°F
63.1°F
61%
0 in
4%
0%
11.6 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.1 μg/m3
PM10: 4.43 μg/m3
Carbon Monoxide: 122.06 μg/m3
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 57.33 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:02 PM
Sunset: 8:38 PM
Daylight: 15 hrs 11 mins
Moonrise: 5:31 AM
Moon Transit: 1:44 PM
Moonset: 9:53 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
1:14 PM - 3:44 PM

Minor Periods

9:23 PM - 10:53 PM
5:01 AM - 6:31 AM

Action Rating: 4 out of 5

Tuesday, June 16, 2026

Weather Forecast

Patchy rain nearby
77.1°F
54.9°F
65.7°F
70%
0.07 in
57%
0%
19.7 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 6.39 μg/m3
PM10: 6.84 μg/m3
Carbon Monoxide: 161.25 μg/m3
Nitrogen Dioxide: 18.48 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 29.13 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:03 PM
Sunset: 8:39 PM
Daylight: 15 hrs 11 mins
Moonrise: 6:47 AM
Moon Transit: 2:50 PM
Moonset: 10:43 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:20 PM - 4:50 PM

Minor Periods

10:13 PM - 11:43 PM
6:17 AM - 7:47 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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