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

Sun
H: 101°F
L: 74°F

Mon
H: 96°F
L: 73°F

Tue
H: 97°F
L: 74°F

Wed
H: 88°F
L: 66°F

Thu
H: 87°F
L: 58°F
Air Quality
Nitrogen Dioxide: 13.4 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 33 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:26 PM
Daylight: 14 hrs 35 mins
Moon Transit: 11:15 PM
Moonset: 2:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%
Best Times for Fishing or Hunting
Major Periods
10:14 AM - 12:44 AM12:00 AM - 12:00 AM
Minor Periods
6:28 PM - 7:58 PM2:09 AM - 3:39 AM
Action Rating: 3 out of 5
Heat Advisory issued July 25 at 1:34PM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Effective: Sat July 25, 2026, 1:34 PM
Expires: Sun July 26, 2026, 5:00 AM
* WHAT...Heat index 105 to 110 expected. * WHERE...Portions of central, east central, and west central Illinois. * WHEN...From noon Sunday to 9 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Warning issued July 26 at 12:23AM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Effective: Sun July 26, 2026, 12:23 AM
Expires: Sun July 26, 2026, 3:30 PM
* WHAT...Dangerously hot conditions with heat index values near 110. * WHERE...Portions of central and west central Illinois. * WHEN...From noon today to 9 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.
Special Weather Statement issued July 26 at 4:26AM CDT by NWS Lincoln IL
Effective: Sun July 26, 2026, 4:26 AM
Expires: Sun July 26, 2026, 8:00 AM
Locally dense fog has formed across portions of central and southeast Illinois in the last couple of hours. Visibility may fall below one- quarter mile at times through the early morning, leading to potentially hazardous travel conditions. Expect rapid changes in visibility over short distances, with visibility possibly even near zero at times. Be sure to slow down if you encounter dense fog. Use low beam headlights if driving, and leave plenty of distance between you and the vehicle ahead.
Extreme Heat Warning issued July 26 at 3:39AM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Effective: Sun July 26, 2026, 3:39 AM
Expires: Sun July 26, 2026, 3:30 PM
* WHAT...Dangerously hot conditions with heat index values near 110. * WHERE...Portions of central and west central Illinois. * WHEN...From noon today to 9 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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.5 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 70 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:26 PM
Daylight: 14 hrs 35 mins
Moon Transit: 11:15 PM
Moonset: 2:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%
Best Times for Fishing or Hunting
Major Periods
10:14 AM - 12:44 AM12:00 AM - 12:00 AM
Minor Periods
6:28 PM - 7:58 PM2:09 AM - 3:39 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.2 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 85.75 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:25 PM
Daylight: 14 hrs 33 mins
Moon Transit: 12:00 AM
Moonset: 3:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:05 AM - 1:35 PM
Minor Periods
7:09 PM - 8:39 PM3:05 AM - 4:35 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.98 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 83.63 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:24 PM
Daylight: 14 hrs 31 mins
Moon Transit: 12:05 AM
Moonset: 4:37 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:55 AM - 2:25 PM
Minor Periods
7:44 PM - 9:14 PM4:07 AM - 5:37 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.01 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 64.58 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:23 PM
Daylight: 14 hrs 29 mins
Moon Transit: 12:54 AM
Moonset: 5:42 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:24 AM - 2:54 AM12:43 AM - 3:13 PM
Minor Periods
8:12 PM - 9:42 PM5:12 AM - 6:42 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 14.84 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 36 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:22 PM
Daylight: 14 hrs 27 mins
Moon Transit: 1:40 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 97.1%
Best Times for Fishing or Hunting
Major Periods
1:10 AM - 3:40 AM1:28 PM - 3:58 PM
Minor Periods
8:37 PM - 10:07 PM6:18 AM - 7:48 AM
Action Rating: 5 out of 5
