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: 91°F
L: 67°F

Mon
H: 90°F
L: 74°F

Tue
H: 90°F
L: 74°F

Wed
H: 90°F
L: 73°F

Thu
H: 90°F
L: 73°F
Air Quality
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 86 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 10 mins
Moon Transit: 12:00 AM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:28 AM - 1:58 PM
Minor Periods
7:43 PM - 9:13 PM3:24 AM - 4:54 AM
Action Rating: 2 out of 5
Heat Advisory issued June 28 at 2:13AM CDT until July 3 at 12:00AM CDT by NWS Lincoln IL
Effective: Sun June 28, 2026, 2:13 AM
Expires: Sun June 28, 2026, 7:00 PM
* WHAT...For the first Heat Advisory, heat index values 100 to 105 expected. For the second Heat Advisory, heat index values 105 to 110 expected. * WHERE...Along and southwest of a Peoria...to Decatur...to Robinson line. * WHEN...For the first Heat Advisory, from 1 PM this afternoon to 7 PM CDT this evening. For the second Heat Advisory, from 11 AM Monday to midnight CDT Thursday Night. * 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. Monitor the latest forecasts and warnings for updates.
Heat Advisory issued June 28 at 2:13AM CDT until June 28 at 7:00PM CDT by NWS Lincoln IL
Effective: Sun June 28, 2026, 2:13 AM
Expires: Sun June 28, 2026, 7:00 PM
* WHAT...For the first Heat Advisory, heat index values 100 to 105 expected. For the second Heat Advisory, heat index values 105 to 110 expected. * WHERE...Along and southwest of a Peoria...to Decatur...to Robinson line. * WHEN...For the first Heat Advisory, from 1 PM this afternoon to 7 PM CDT this evening. For the second Heat Advisory, from 11 AM Monday to midnight CDT Thursday Night. * 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. Monitor the latest forecasts and warnings for updates.
Heat Advisory issued June 28 at 8:43AM CDT until July 3 at 12:00AM CDT by NWS Lincoln IL
Effective: Sun June 28, 2026, 8:43 AM
Expires: Sun June 28, 2026, 4:45 PM
* WHAT...For the first Heat Advisory, heat index values 100 to 105 expected. For the second Heat Advisory, heat index values 105 to 110 expected. * WHERE...Peoria, Stark, Cass, Fulton, Knox, Morgan, Schuyler, and Scott Counties. * WHEN...For the first Heat Advisory, from 1 PM this afternoon to 7 PM CDT this evening. For the second Heat Advisory, from 11 AM Monday to midnight CDT Thursday Night. * 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. Monitor the latest forecasts and warnings for updates.
Heat Advisory issued June 28 at 8:43AM CDT until June 28 at 7:00PM CDT by NWS Lincoln IL
Effective: Sun June 28, 2026, 8:43 AM
Expires: Sun June 28, 2026, 4:45 PM
* WHAT...For the first Heat Advisory, heat index values 100 to 105 expected. For the second Heat Advisory, heat index values 105 to 110 expected. * WHERE...Peoria, Stark, Cass, Fulton, Knox, Morgan, Schuyler, and Scott Counties. * WHEN...For the first Heat Advisory, from 1 PM this afternoon to 7 PM CDT this evening. For the second Heat Advisory, from 11 AM Monday to midnight CDT Thursday Night. * 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. Monitor the latest forecasts and warnings for updates.
Heat Advisory issued June 28 at 7:26AM CDT until July 3 at 12:00AM CDT by NWS Lincoln IL
Effective: Sun June 28, 2026, 7:26 AM
Expires: Sun June 28, 2026, 3:30 PM
* WHAT...For the first Heat Advisory, heat index values up to 105 expected. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...Peoria, Stark, Cass, Fulton, Knox, Morgan, Schuyler, and Scott Counties. * WHEN...For the first Heat Advisory, from 1 PM this afternoon to 7 PM CDT this evening. For the second Heat Advisory, from 11 AM Monday to midnight CDT Thursday Night. * 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. Monitor the latest forecasts and warnings for updates.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.9 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 74.83 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 10 mins
Moon Transit: 12:00 AM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:28 AM - 1:58 PM
Minor Periods
7:43 PM - 9:13 PM3:24 AM - 4:54 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.27 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 71.29 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:41 PM
Daylight: 15 hrs 10 mins
Moon Transit: 12:28 AM
Moonset: 4:46 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:19 AM - 2:49 PM
Minor Periods
8:30 PM - 10:00 PM4:16 AM - 5:46 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.12 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 72.79 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:40 PM
Daylight: 15 hrs 9 mins
Moon Transit: 1:20 AM
Moonset: 5:43 AM
Moon Phase: Full
Moon Illumination: 98.6%
Best Times for Fishing or Hunting
Major Periods
12:50 AM - 3:20 AM1:10 PM - 3:40 PM
Minor Periods
9:09 PM - 10:39 PM5:13 AM - 6:43 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 75.54 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:40 PM
Daylight: 15 hrs 8 mins
Moon Transit: 2:09 AM
Moonset: 6:46 AM
Moon Phase: Full
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
1:39 AM - 4:09 AM1:59 PM - 4:29 PM
Minor Periods
9:41 PM - 11:11 PM6:16 AM - 7:46 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.11 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 48.25 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:40 PM
Daylight: 15 hrs 8 mins
Moon Transit: 2:57 AM
Moonset: 7:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
2:27 AM - 4:57 AM2:45 PM - 5:15 PM
Minor Periods
10:08 PM - 11:38 PM7:21 AM - 8:51 AM
Action Rating: 2 out of 5
