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

24.1°F
Mist
Mist
14.8°F
30.3°F
91%
SSW 8.5 mph
17.9 mph
25.9°F
23.9°F
0 in
0%
6 mi
1012 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 73°F
L: 30°F
Overcast
Sat
H: 39°F
L: 24°F
Overcast
Sun
H: 36°F
L: 23°F
Sunny
Mon
H: 41°F
L: 20°F
Moderate snow
Tue
H: 36°F
L: 26°F

Air Quality

AQI: 1 - Good
PM2.5: 8.05 μg/m3
PM10: 11.05 μg/m3
Carbon Monoxide: 163.85 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:14 AM
Sunset: 5:51 PM
Daylight: 11 hrs 10 mins
Moonrise: 1:33 PM
Moon Transit: 9:30 PM
Moonset: 4:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
9:00 PM - 11:30 PM

Minor Periods

1:03 PM - 2:33 PM
4:04 AM - 5:34 AM

Action Rating: 2 out of 5

Fire Weather Watch issued February 26 at 7:20PM CST until February 27 at 6:00PM CST by NWS Quad Cities IA IL

Effective: Thu February 26, 2026, 7:20 PM
Expires: Fri February 27, 2026, 3:30 AM

* AFFECTED AREA...Portions of southeastern Iowa, northeast Missouri, and west-central Illinois. * TIMING...Friday afternoon. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 25 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued February 27 at 1:35AM CST until February 27 at 6:00PM CST by NWS Quad Cities IA IL

Effective: Fri February 27, 2026, 1:35 AM
Expires: Fri February 27, 2026, 10:45 AM

...Critical Fire Weather Conditions This Afternoon... The National Weather Service in Quad Cities has issued a Red Flag Warning for unseasonably mild temperatures, gusty winds, low relative humidity, and plentiful dry vegetation, which is in effect from noon today to 6 PM CST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Portions of southeastern Iowa, western Illinois, and northern Missouri. * TIMING...From noon today to 6 PM CST this evening. * WINDS...Southwest to West 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Middle to upper 60s. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Fire Weather Watch issued February 26 at 1:51PM CST until February 27 at 6:00PM CST by NWS Lincoln IL

Effective: Thu February 26, 2026, 1:51 PM
Expires: Fri February 27, 2026, 4:00 AM

The National Weather Service in Lincoln has issued a Fire Weather Watch for wind and low relative humidity, which is in effect Friday afternoon. * AFFECTED AREA...Knox, Stark, Peoria, Marshall, Woodford, Fulton, Tazewell, Schuyler, Mason, Cass, Menard, Scott and Morgan. * TIMING...Friday afternoon. * 20 FOOT WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 20 percent. * 10 HOUR FUELS...Less than 9 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Special Weather Statement issued February 27 at 1:31AM CST by NWS Lincoln IL

Effective: Fri February 27, 2026, 1:31 AM
Expires: Fri February 27, 2026, 8:00 AM

Patchy dense fog has formed along and north of the I-74 corridor early this morning. Visibility may fall below one-quarter mile at times through 8 AM CST, 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.


Red Flag Warning issued February 27 at 1:22AM CST until February 27 at 6:00PM CST by NWS Lincoln IL

Effective: Fri February 27, 2026, 1:22 AM
Expires: Fri February 27, 2026, 6:00 PM

The National Weather Service in Lincoln has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon today to 6 PM CST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Knox, Stark, Peoria, Marshall, Woodford, Fulton, Tazewell, Schuyler, Mason, Cass, Menard, Scott and Morgan. * TIMING...From noon today to 6 PM CST this evening. * 20 FOOT WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * 10 HOUR FUELS...Less than 9 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Friday, February 27, 2026

Weather Forecast

Sunny
73.4°F
29.7°F
45.7°F
63%
0 in
0%
0%
20.6 mph
0.7


Air Quality

AQI: 2 - Moderate
PM2.5: 16.97 μg/m3
PM10: 18.87 μg/m3
Carbon Monoxide: 227.25 μg/m3
Nitrogen Dioxide: 13.41 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 56.8 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:14 AM
Sunset: 5:51 PM
Daylight: 11 hrs 10 mins
Moonrise: 1:33 PM
Moon Transit: 9:30 PM
Moonset: 4:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
9:00 PM - 11:30 PM

Minor Periods

1:03 PM - 2:33 PM
4:04 AM - 5:34 AM

Action Rating: 2 out of 5

Saturday, February 28, 2026

Weather Forecast

Overcast
38.5°F
24.1°F
31.9°F
77%
0 in
0%
0%
14.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.83 μg/m3
PM10: 6.91 μg/m3
Carbon Monoxide: 185.89 μg/m3
Nitrogen Dioxide: 6.54 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 74.2 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:14 AM
Sunset: 5:52 PM
Daylight: 11 hrs 13 mins
Moonrise: 2:50 PM
Moon Transit: 10:25 PM
Moonset: 5:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

9:23 AM - 11:53 AM
12:00 AM - 12:00 AM

Minor Periods

2:20 PM - 3:50 PM
4:45 AM - 6:15 AM

Action Rating: 3 out of 5

Sunday, March 1, 2026

Weather Forecast

Overcast
35.8°F
22.6°F
27.4°F
48%
0 in
0%
0%
12.8 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.61 μg/m3
PM10: 5.95 μg/m3
Carbon Monoxide: 194.25 μg/m3
Nitrogen Dioxide: 6.41 μg/m3
Sulphur Dioxide: 2.93 μg/m3
Ozone: 70.6 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:14 AM
Sunset: 5:53 PM
Daylight: 11 hrs 16 mins
Moonrise: 4:05 PM
Moon Transit: 11:16 PM
Moonset: 5:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

10:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Minor Periods

3:35 PM - 5:05 PM
5:17 AM - 6:47 AM

Action Rating: 3 out of 5

Monday, March 2, 2026

Weather Forecast

Sunny
40.5°F
20°F
30°F
41%
0 in
0%
0%
11.2 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 9.29 μg/m3
PM10: 9.99 μg/m3
Carbon Monoxide: 200.32 μg/m3
Nitrogen Dioxide: 9.73 μg/m3
Sulphur Dioxide: 3.84 μg/m3
Ozone: 67.16 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:14 AM
Sunset: 5:54 PM
Daylight: 11 hrs 19 mins
Moonrise: 5:17 PM
Moon Transit: 12:00 AM
Moonset: 6:14 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:05 AM - 1:35 PM

Minor Periods

4:47 PM - 6:17 PM
5:44 AM - 7:14 AM

Action Rating: 4 out of 5

Tuesday, March 3, 2026

Weather Forecast

Moderate snow
36°F
25.7°F
31.2°F
71%
0.05 in
60%
21%
7.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 11.05 μg/m3
PM10: 11.83 μg/m3
Carbon Monoxide: 202.89 μg/m3
Nitrogen Dioxide: 7.57 μg/m3
Sulphur Dioxide: 3.54 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:14 AM
Sunset: 5:55 PM
Daylight: 11 hrs 21 mins
Moonrise: 6:27 PM
Moon Transit: 12:03 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:51 AM - 2:21 PM

Minor Periods

5:57 PM - 7:27 PM
6:07 AM - 7:37 AM

Action Rating: 5 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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