Water Temperature of the Mississippi River in Rock Island, IL
Current Water Temperature
Measurement Time: Sunday, December 14, 2025, 9:00 AM CST
Temperature Locations
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Local Points of Interest
Davenport, IA; Arsenal IslandStation 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

Five Day Weather Forecast

Sat
H: 96°F
L: 74°F

Sun
H: 83°F
L: 63°F

Mon
H: 87°F
L: 66°F

Tue
H: 80°F
L: 65°F

Wed
H: 73°F
L: 59°F
Air Quality
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 94 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:33 PM
Daylight: 14 hrs 49 mins
Moon Transit: 4:57 PM
Moonset: 11:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
4:00 AM - 6:30 AM4:27 PM - 6:57 PM
Minor Periods
12:00 AM - 12:00 AM10:13 AM - 11:43 AM
Action Rating: 2 out of 5
Heat Advisory issued July 18 at 1:35AM CDT until July 18 at 7:00PM CDT by NWS Quad Cities IA IL
Effective: Sat July 18, 2026, 1:35 AM
Expires: Sat July 18, 2026, 9:45 AM
* WHAT...Heat index values up to 102 expected. * WHERE...In Illinois, Mercer and Rock Island Counties. In Iowa, Muscatine, Scott, Keokuk, Louisa, and Washington Counties. * WHEN...From noon today to 7 PM CDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 18 at 9:57AM CDT until July 18 at 7:00PM CDT by NWS Quad Cities IA IL
Effective: Sat July 18, 2026, 9:57 AM
Expires: Sat July 18, 2026, 7:00 PM
* WHAT...Heat index values around 100 degrees expected. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 7 PM CDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.12 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 80.5 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:33 PM
Daylight: 14 hrs 49 mins
Moon Transit: 4:57 PM
Moonset: 11:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
4:00 AM - 6:30 AM4:27 PM - 6:57 PM
Minor Periods
12:00 AM - 12:00 AM10:13 AM - 11:43 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.14 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 100.58 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:32 PM
Daylight: 14 hrs 47 mins
Moon Transit: 5:41 PM
Moonset: 12:00 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%
Best Times for Fishing or Hunting
Major Periods
4:44 AM - 7:14 AM5:11 PM - 7:41 PM
Minor Periods
11:21 AM - 12:51 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.55 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 94.54 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:31 PM
Daylight: 14 hrs 46 mins
Moon Transit: 6:24 PM
Moonset: 12:21 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%
Best Times for Fishing or Hunting
Major Periods
5:28 AM - 7:58 AM5:54 PM - 8:24 PM
Minor Periods
12:27 AM - 1:57 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.39 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 85.08 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:31 PM
Daylight: 14 hrs 44 mins
Moon Transit: 7:08 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%
Best Times for Fishing or Hunting
Major Periods
6:11 AM - 8:41 AM6:38 PM - 9:08 PM
Minor Periods
1:32 PM - 3:02 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 73.5 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:30 PM
Daylight: 14 hrs 42 mins
Moon Transit: 7:54 PM
Moonset: 12:07 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%
Best Times for Fishing or Hunting
Major Periods
6:56 AM - 9:26 AM7:24 PM - 9:54 PM
Minor Periods
2:37 PM - 4:07 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
