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

53.1°F
Sunny
Sunny
49°F
55.7°F
35%
NW 13.2 mph
15.8 mph
52.1°F
25.8°F
0 in
25%
9 mi
1022 mbar
1.5

Five Day Weather Forecast

Sunny
Sun
H: 57°F
L: 34°F
Sunny
Mon
H: 59°F
L: 33°F
Patchy rain nearby
Tue
H: 70°F
L: 52°F
Patchy rain nearby
Wed
H: 71°F
L: 59°F
Patchy rain nearby
Thu
H: 75°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 7.75 μg/m3
PM10: 8.95 μg/m3
Carbon Monoxide: 218.85 μg/m3
Nitrogen Dioxide: 7.85 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:01 PM
Sunset: 7:47 PM
Daylight: 13 hrs 31 mins
Moonrise: 7:13 AM
Moon Transit: 3:07 PM
Moonset: 11:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

2:01 AM - 4:31 AM
2:37 PM - 5:07 PM

Minor Periods

12:00 AM - 12:00 AM
6:43 AM - 8:13 AM

Action Rating: 3 out of 5

Flood Warning issued April 18 at 8:24PM CDT by NWS Quad Cities IA IL

Effective: Sat April 18, 2026, 8:24 PM
Expires: Sun April 19, 2026, 8:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Rock Island LD15 affecting Muscatine, Rock Island and Scott Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties. ...The Flood Warning continues for the following rivers in Illinois...Missouri...Iowa... Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Keithsburg affecting Mercer, Louisa, Des Moines and Henderson Counties. Mississippi River at Burlington affecting Lee, Hancock, Des Moines and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Muscatine affecting Mercer, Muscatine, Louisa and Rock Island Counties. * WHAT...Moderate flooding is forecast. * WHERE...Mississippi River at Ill. City LD16. * WHEN...From late Sunday night until further notice. * IMPACTS...At 16.0 feet, Water affects the park at Andalusia. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 14.0 feet and rising. - Forecast...The river is expected to rise above flood stage early Monday morning and continue rising to 16.1 feet early Friday afternoon. Additional rises are possible thereafter. - Flood stage is 15.0 feet.

Caution is urged when walking near riverbanks. 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 Sunday evening at 830 PM CDT.


Flood Warning issued April 18 at 8:24PM CDT by NWS Quad Cities IA IL

Effective: Sat April 18, 2026, 8:24 PM
Expires: Sun April 19, 2026, 8:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Rock Island LD15 affecting Muscatine, Rock Island and Scott Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties. ...The Flood Warning continues for the following rivers in Illinois...Missouri...Iowa... Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Keithsburg affecting Mercer, Louisa, Des Moines and Henderson Counties. Mississippi River at Burlington affecting Lee, Hancock, Des Moines and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Muscatine affecting Mercer, Muscatine, Louisa and Rock Island Counties. * WHAT...Moderate flooding is forecast. * WHERE...Mississippi River at Muscatine. * WHEN...From Sunday morning until further notice. * IMPACTS...At 18.0 feet, Water affects most of the Riverside Park parking lot. * ADDITIONAL DETAILS... - At 7:15 PM CDT Saturday the stage was 15.6 feet and rising. - Forecast...The river is expected to rise above flood stage tomorrow morning and continue rising to 18.1 feet Friday evening. Additional rises are possible thereafter. - Flood stage is 16.0 feet.

Caution is urged when walking near riverbanks. 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 Sunday evening at 830 PM CDT.


Flood Watch issued April 18 at 8:24PM CDT by NWS Quad Cities IA IL

Effective: Sat April 18, 2026, 8:24 PM
Expires: Sun April 19, 2026, 8:30 PM

...The Flood Watch is extended for the following rivers in Illinois...Iowa... Mississippi River at Camanche affecting Whiteside, Rock Island, Clinton and Scott zones. ...The Flood Watch is cancelled for the following rivers in Illinois...Iowa... Mississippi River at Dubuque affecting Jackson, Jo Daviess and Dubuque zones. * WHAT...Flooding is possible. * WHERE...Mississippi River at Camanche. * WHEN...From late Thursday night until further notice. * IMPACTS...At 17.0 feet, Water affects low-lying residences at Albany. * ADDITIONAL DETAILS... - At 7:30 PM CDT Saturday the stage was 15.5 feet and rising slowly. - Forecast...Flood stage may be reached early Friday morning. - Flood stage is 17.0 feet.

Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. If you are in the watch area, remain alert to possible flooding. The next statement will be issued by this evening at 930 PM CDT.


Flood Warning issued April 18 at 8:24PM CDT by NWS Quad Cities IA IL

Effective: Sat April 18, 2026, 8:24 PM
Expires: Sun April 19, 2026, 8:30 PM

...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Rock Island LD15 affecting Muscatine, Rock Island and Scott Counties. Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties. ...The Flood Warning continues for the following rivers in Illinois...Missouri...Iowa... Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Keithsburg affecting Mercer, Louisa, Des Moines and Henderson Counties. Mississippi River at Burlington affecting Lee, Hancock, Des Moines and Henderson Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. Mississippi River at Muscatine affecting Mercer, Muscatine, Louisa and Rock Island Counties. * WHAT...Moderate flooding is forecast. * WHERE...Mississippi River at Rock Island LD15. * WHEN...From Sunday morning until further notice. * IMPACTS...At 16.5 feet, Water affects Credit Island Lane in Davenport and the 4700 block of River Drive in Moline. Water is at the base of the flood wall gates at the downtown Rock Island riverfront. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 14.7 feet and rising. - Forecast...The river is expected to rise above flood stage tomorrow morning and continue rising to 16.3 feet Friday morning. Additional rises are possible thereafter. - Flood stage is 15.0 feet.

Caution is urged when walking near riverbanks. 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 Sunday evening at 830 PM CDT.


Flood Warning issued April 18 at 8:01PM CDT by NWS Quad Cities IA IL

Effective: Sat April 18, 2026, 8:01 PM
Expires: Sun April 19, 2026, 8:15 PM

...The Flood Warning continues for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Whiteside, Rock Island and Henry IL Counties. * WHAT...Minor flooding is occurring and major flooding is forecast. * WHERE...Rock River at Moline. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Major Flood Stage. Water affects South Shore Drive and North Shore Drive in Moline west of the 27th Street bridge. Water limits access to homes on South Shore Drive east of the I-74 bridge. Water also affects portions of 60th Street south of John Deere Road. * ADDITIONAL DETAILS... - At 7:30 PM CDT Saturday the stage was 12.8 feet and rising. - Forecast...The river is expected to rise to a crest of 14.5 feet Wednesday evening. - Flood stage is 12.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. 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 815 PM CDT.


Sunday, April 19, 2026

Weather Forecast

Sunny
57°F
33.8°F
44.8°F
46%
0 in
0%
0%
18.3 mph
5.7


Air Quality

AQI: 1 - Good
PM2.5: 6 μg/m3
PM10: 6.84 μg/m3
Carbon Monoxide: 171.73 μg/m3
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:01 PM
Sunset: 7:47 PM
Daylight: 13 hrs 31 mins
Moonrise: 7:13 AM
Moon Transit: 3:07 PM
Moonset: 11:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

2:01 AM - 4:31 AM
2:37 PM - 5:07 PM

Minor Periods

12:00 AM - 12:00 AM
6:43 AM - 8:13 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Sunny
58.7°F
32.9°F
46.4°F
51%
0 in
0%
0%
14.8 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 7.03 μg/m3
Carbon Monoxide: 193.37 μg/m3
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 81.08 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:01 PM
Sunset: 7:48 PM
Daylight: 13 hrs 33 mins
Moonrise: 8:02 AM
Moon Transit: 4:11 PM
Moonset: 12:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

3:04 AM - 5:34 AM
3:41 PM - 6:11 PM

Minor Periods

7:32 AM - 9:02 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Patchy rain nearby
70.4°F
51.9°F
60.6°F
77%
0.03 in
81%
0%
16.3 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 6.83 μg/m3
PM10: 7.41 μg/m3
Carbon Monoxide: 180.73 μg/m3
Nitrogen Dioxide: 4.41 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:00 PM
Sunset: 7:49 PM
Daylight: 13 hrs 36 mins
Moonrise: 9:03 AM
Moon Transit: 5:16 PM
Moonset: 12:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
4:46 PM - 7:16 PM

Minor Periods

8:33 AM - 10:03 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
70.7°F
58.7°F
64.1°F
85%
0 in
0%
0%
11.9 mph
4.3


Air Quality

AQI: 1 - Good
PM2.5: 6.63 μg/m3
PM10: 7.13 μg/m3
Carbon Monoxide: 174.58 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 80.56 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:00 PM
Sunset: 7:50 PM
Daylight: 13 hrs 39 mins
Moonrise: 10:13 AM
Moon Transit: 6:18 PM
Moonset: 1:26 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
5:48 PM - 8:18 PM

Minor Periods

9:43 AM - 11:13 AM
12:56 AM - 2:26 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Patchy rain nearby
74.9°F
58.6°F
66.7°F
77%
0.07 in
76%
0%
21 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 5.95 μg/m3
PM10: 6.31 μg/m3
Carbon Monoxide: 186.87 μg/m3
Nitrogen Dioxide: 7.7 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 67.08 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:00 PM
Sunset: 7:52 PM
Daylight: 13 hrs 41 mins
Moonrise: 11:28 AM
Moon Transit: 7:16 PM
Moonset: 2:15 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
6:46 PM - 9:16 PM

Minor Periods

10:58 AM - 12:28 AM
1:45 AM - 3:15 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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