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

50.5°F
Sunny
Sunny
47.9°F
48.6°F
63%
S 6.7 mph
8.9 mph
47.4°F
37.5°F
0 in
0%
9 mi
1010 mbar
1

Five Day Weather Forecast

Sunny
Tue
H: 74°F
L: 37°F
Cloudy
Wed
H: 65°F
L: 48°F
Moderate rain
Thu
H: 50°F
L: 38°F
Patchy rain nearby
Fri
H: 37°F
L: 28°F
Light freezing rain
Sat
H: 31°F
L: 23°F

Air Quality

AQI: 1 - Good
PM2.5: 10.05 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 238.85 μg/m3
Nitrogen Dioxide: 9.25 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:16 AM
Sunset: 5:38 PM
Daylight: 10 hrs 44 mins
Moonrise: 7:05 AM
Moon Transit: 12:29 AM
Moonset: 6:04 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:59 AM - 2:29 PM

Minor Periods

5:34 PM - 7:04 PM
6:35 AM - 8:05 AM

Action Rating: 5 out of 5

Special Weather Statement issued February 17 at 5:42AM CST by NWS Quad Cities IA IL

Effective: Tue February 17, 2026, 5:42 AM
Expires: Tue February 17, 2026, 7:00 PM

Warm temperatures combined with dead fuels and southeast winds gusting 25 to 35 mph will produce elevated fire danger conditions. Any fire that develops will spread quickly. Avoid outdoor burning today and follow local official guidance on potential burn bans.


Tuesday, February 17, 2026

Weather Forecast

Sunny
73.6°F
36.7°F
53.6°F
61%
0 in
0%
0%
20.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 11.05 μg/m3
PM10: 11.13 μg/m3
Carbon Monoxide: 242.01 μg/m3
Nitrogen Dioxide: 10.95 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 54.84 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:16 AM
Sunset: 5:38 PM
Daylight: 10 hrs 44 mins
Moonrise: 7:05 AM
Moon Transit: 12:29 AM
Moonset: 6:04 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:59 AM - 2:29 PM

Minor Periods

5:34 PM - 7:04 PM
6:35 AM - 8:05 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Cloudy
64.8°F
47.8°F
53.4°F
66%
0 in
0%
0%
19.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.2 μg/m3
PM10: 7.42 μg/m3
Carbon Monoxide: 187.05 μg/m3
Nitrogen Dioxide: 5.23 μg/m3
Sulphur Dioxide: 2.67 μg/m3
Ozone: 78.44 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:16 AM
Sunset: 5:40 PM
Daylight: 10 hrs 46 mins
Moonrise: 7:28 AM
Moon Transit: 1:15 PM
Moonset: 7:14 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:17 AM - 2:47 AM
12:45 AM - 3:15 PM

Minor Periods

6:44 PM - 8:14 PM
6:58 AM - 8:28 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Moderate rain
50.4°F
37.9°F
45.2°F
83%
0.4 in
83%
0%
20.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.22 μg/m3
PM10: 5.67 μg/m3
Carbon Monoxide: 215.25 μg/m3
Nitrogen Dioxide: 11.06 μg/m3
Sulphur Dioxide: 3.69 μg/m3
Ozone: 57.92 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:16 AM
Sunset: 5:41 PM
Daylight: 10 hrs 49 mins
Moonrise: 7:49 AM
Moon Transit: 3:07 PM
Moonset: 8:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

1:03 AM - 3:33 AM
2:37 PM - 5:07 PM

Minor Periods

7:55 PM - 9:25 PM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Patchy rain nearby
37.2°F
27.8°F
36.4°F
73%
0.06 in
86%
0%
23.9 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 6.07 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 191.57 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:15 AM
Sunset: 5:42 PM
Daylight: 10 hrs 52 mins
Moonrise: 8:12 AM
Moon Transit: 2:47 PM
Moonset: 9:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
2:17 PM - 4:47 PM

Minor Periods

9:07 PM - 10:37 PM
7:42 AM - 9:12 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Light freezing rain
30.6°F
22.6°F
27.2°F
66%
0.01 in
69%
17%
14.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.76 μg/m3
PM10: 7 μg/m3
Carbon Monoxide: 230.35 μg/m3
Nitrogen Dioxide: 9.39 μg/m3
Sulphur Dioxide: 2.13 μg/m3
Ozone: 45.69 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:15 AM
Sunset: 5:43 PM
Daylight: 10 hrs 54 mins
Moonrise: 8:36 AM
Moon Transit: 3:36 PM
Moonset: 10:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
3:06 PM - 5:36 PM

Minor Periods

10:22 PM - 11:52 PM
8:06 AM - 9:36 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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