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

61°F
Clear
Clear
61°F
60.2°F
97%
W 7.2 mph
15 mph
60.2°F
58.3°F
0 in
25%
8 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 84°F
L: 60°F
Heavy rain
Sun
H: 63°F
L: 57°F
Patchy rain nearby
Mon
H: 74°F
L: 53°F
Partly Cloudy
Tue
H: 69°F
L: 57°F
Patchy rain nearby
Wed
H: 76°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 9.3 μg/m3
PM10: 10 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 8.4 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 54 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 19 at 10:19AM CDT until June 21 at 7:48AM CDT by NWS Quad Cities IA IL

Effective: Fri June 19, 2026, 10:19 AM
Expires: Sat June 20, 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. Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Johnson, Washington and Louisa Counties. Iowa River at Marengo affecting Iowa and Benton Counties. Iowa River at Oakville affecting Louisa County. English River at Kalona affecting Johnson and Washington Counties. ...The Flood Warning is cancelled for the following rivers in Illinois... La Moine River at Colmar affecting McDonough and Hancock Counties. * WHAT...Major flooding is occurring. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Monday morning. * IMPACTS...At 12.5 feet, water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Friday the stage was 12.6 feet. - Forecast...The river will hold around 12.5 feet through Saturday morning before falling. The river is expected to fall below flood stage Monday morning and continue falling to 8.8 feet Friday, June 26. - 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.


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 19 at 10:19AM CDT until June 20 at 3:00PM CDT by NWS Quad Cities IA IL

Effective: Fri June 19, 2026, 10:19 AM
Expires: Sat June 20, 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. Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Johnson, Washington and Louisa Counties. Iowa River at Marengo affecting Iowa and Benton Counties. Iowa River at Oakville affecting Louisa County. English River at Kalona affecting Johnson and Washington Counties. ...The Flood Warning is cancelled for the following rivers in Illinois... La Moine River at Colmar affecting McDonough and Hancock Counties. * WHAT...Minor flooding is occurring. * WHERE...Iowa River at Oakville. * WHEN...Until tomorrow morning. * IMPACTS...At 11.0 feet, flood waters begin to impact agricultural land. * ADDITIONAL DETAILS... - At 10:00 AM CDT Friday the stage was 11.0 feet. - Forecast...The river is expected to rise to a crest of 11.0 feet today. It will then fall below flood stage tomorrow 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.


Flood Warning issued June 19 at 10:19AM CDT until June 20 at 9:00PM CDT by NWS Quad Cities IA IL

Effective: Fri June 19, 2026, 10:19 AM
Expires: Sat June 20, 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. Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Johnson, Washington and Louisa Counties. Iowa River at Marengo affecting Iowa and Benton Counties. Iowa River at Oakville affecting Louisa County. English River at Kalona affecting Johnson and Washington Counties. ...The Flood Warning is cancelled for the following rivers in Illinois... La Moine River at Colmar affecting McDonough and Hancock Counties. * WHAT...Minor flooding is occurring. * WHERE...Iowa River at Wapello. * WHEN...Until late tonight. * IMPACTS...At 21.0 feet, agricultural land near the river is flooded and water covers most islands. Water starts rising onto secondary roads in Wapello Bottoms. * ADDITIONAL DETAILS... - At 9:00 AM CDT Friday the stage was 21.1 feet. - Forecast...The river is expected to rise to a crest of 21.2 feet this afternoon. It will then fall below flood stage late tonight. - Flood stage is 21.0 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.


Flood Warning issued June 19 at 10:19AM CDT until June 20 at 10:00AM CDT by NWS Quad Cities IA IL

Effective: Fri June 19, 2026, 10:19 AM
Expires: Sat June 20, 2026, 10:00 AM

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Johnson, Washington and Louisa Counties. Iowa River at Marengo affecting Iowa and Benton Counties. Iowa River at Oakville affecting Louisa County. English River at Kalona affecting Johnson and Washington Counties. ...The Flood Warning is cancelled for the following rivers in Illinois... La Moine River at Colmar affecting McDonough and Hancock Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River near Lone Tree. * WHEN...Until early tomorrow morning. * IMPACTS...At 16.0 feet, flood waters affect parts of Lola Lane and Y Avenue. River Junction Access Park is closed. * ADDITIONAL DETAILS... - At 9:00 AM CDT Friday the stage was 15.5 feet. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 16.3 feet tonight. It will then fall below flood stage Saturday morning. - Flood stage is 16.0 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.


Saturday, June 20, 2026

Weather Forecast

Sunny
84.4°F
59.5°F
69°F
72%
0 in
7%
0%
7.2 mph
9.3


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
63.3°F
56.8°F
61°F
92%
0.93 in
91%
0%
16.3 mph
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
73.6°F
52.9°F
63°F
80%
0.02 in
36%
0%
11.4 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

Partly Cloudy
69.3°F
56.8°F
61.5°F
71%
0 in
10%
0%
6.9 mph
7


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
76.1°F
54.8°F
64.9°F
78%
0.06 in
57%
0%
11.4 mph
0.4


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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