Water Temperature of the Mississippi River in Rock Island, IL

Current Water Temperature

32.2°F

Measurement Time: Sunday, January 21, 2024, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Davenport, IA; Arsenal Island

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Mississippi River

Station Name: Rock Island L&D 15
Data Source: USGS

Elevation Above Sea Level: 554 feet / 169 meters

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 (50.0 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°F
Thundery outbreaks possible
Conditions: Thundery outbreaks possible
Humidity: 94%
Feels Like: 77.6°F
Wind: WSW 5.6 mph
Wind Gusts: 11.7 mph
Pressure: 30.09 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 1 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 92°F
L: 68°F
Partly Cloudy
Tue
H: 100°F
L: 77°F
Heavy rain
Wed
H: 79°F
L: 67°F
Moderate rain
Thu
H: 73°F
L: 58°F
Sunny
Fri
H: 74°F
L: 53°F

Air Quality

PM2.5: 9.44 μg/m3
PM10: 9.81 μg/m3
Carbon Monoxide: 390.35 μg/m3
Nitrogen Dioxide: 6.66 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 104 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:08 PM
Sunset: 8:24 PM
Daylight: 14 hrs 30 mins
Moonrise: 9:59 AM
Moon Transit: 4:18 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
3:48 PM - 6:18 PM

Minor Periods

9:57 PM - 11:27 PM
9:29 AM - 10:59 AM

Action Rating: 3 out of 5

Heat Advisory issued July 27 at 9:15PM CDT until July 28 at 8:00PM CDT by NWS Quad Cities IA IL

Effective: Sun July 27, 2025, 9:15 PM
Expires: Mon July 28, 2025, 5:15 AM

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest Illinois and east central Iowa. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 27 at 9:15PM CDT until July 28 at 8:00PM CDT by NWS Quad Cities IA IL

Effective: Sun July 27, 2025, 9:15 PM
Expires: Mon July 28, 2025, 5:15 AM

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest Illinois and east central Iowa. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Warning issued July 27 at 9:15PM CDT until July 28 at 8:00PM CDT by NWS Quad Cities IA IL

Effective: Sun July 27, 2025, 9:15 PM
Expires: Mon July 28, 2025, 5:15 AM

* WHAT...For the Heat Advisory, heat index values up to 105. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. * WHERE...Portions of northwest and west central Illinois, southeast Iowa, and northeast Missouri. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Heat Advisory issued July 27 at 9:15PM CDT until July 28 at 8:00PM CDT by NWS Quad Cities IA IL

Effective: Sun July 27, 2025, 9:15 PM
Expires: Mon July 28, 2025, 5:15 AM

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest Illinois and east central Iowa. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 27 at 9:15PM CDT until July 28 at 8:00PM CDT by NWS Quad Cities IA IL

Effective: Sun July 27, 2025, 9:15 PM
Expires: Mon July 28, 2025, 5:15 AM

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest Illinois and east central Iowa. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Monday, July 28, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 81.4°F
Average Humidity: 86%
Chance of Rain: 75%
Wind: 8.3 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 8.64 μg/m3
PM10: 9.07 μg/m3
Carbon Monoxide: 382.06 μg/m3
Nitrogen Dioxide: 12.8 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 85.84 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:08 PM
Sunset: 8:24 PM
Daylight: 14 hrs 30 mins
Moonrise: 9:59 AM
Moon Transit: 4:18 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
3:48 PM - 6:18 PM

Minor Periods

9:57 PM - 11:27 PM
9:29 AM - 10:59 AM

Action Rating: 3 out of 5

Tuesday, July 29, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 85.7°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 17.03 μg/m3
PM10: 17.8 μg/m3
Carbon Monoxide: 404.19 μg/m3
Nitrogen Dioxide: 43.52 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 62.16 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:08 PM
Sunset: 8:23 PM
Daylight: 14 hrs 28 mins
Moonrise: 11:02 AM
Moon Transit: 4:58 PM
Moonset: 10:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

4:03 AM - 6:33 AM
4:28 PM - 6:58 PM

Minor Periods

10:15 PM - 11:45 PM
10:32 AM - 12:02 AM

Action Rating: 2 out of 5

Wednesday, July 30, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 74.6°F
Average Humidity: 94%
Chance of Rain: 88%
Wind: 16.1 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 9.32 μg/m3
PM10: 10.04 μg/m3
Carbon Monoxide: 359.86 μg/m3
Nitrogen Dioxide: 14.42 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 69.56 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:08 PM
Sunset: 8:22 PM
Daylight: 14 hrs 26 mins
Moonrise: 12:04 AM
Moon Transit: 5:39 PM
Moonset: 11:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
5:09 PM - 7:39 PM

Minor Periods

12:00 AM - 12:00 AM
11:34 AM - 1:04 PM

Action Rating: 2 out of 5

Thursday, July 31, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 65.6°F
Average Humidity: 81%
Chance of Rain: 79%
Wind: 15.4 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 8.65 μg/m3
PM10: 8.89 μg/m3
Carbon Monoxide: 410.98 μg/m3
Nitrogen Dioxide: 13.46 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 63.77 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:08 PM
Sunset: 8:21 PM
Daylight: 14 hrs 24 mins
Moonrise: 1:06 PM
Moon Transit: 6:20 PM
Moonset: 12:05 AM
Moon Phase: First Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
5:50 PM - 8:20 PM

Minor Periods

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

Action Rating: 3 out of 5

Friday, August 1, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:08 PM
Sunset: 8:19 PM
Daylight: 14 hrs 22 mins
Moonrise: 2:10 PM
Moon Transit: 7:04 PM
Moonset: 12:26 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

6:07 AM - 8:37 AM
6:34 PM - 9:04 PM

Minor Periods

1:40 PM - 3:10 PM
12:00 AM - 12:00 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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