Water Temperature of the Mississippi River in Illinois City, IL

Current Water Temperature

32.0°F

Measurement Time: Saturday, December 13, 2025, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Muscatine, IA

Mississippi River

Station Name: Illinois City L&D 16
Data Source: USGS

Elevation Above Sea Level: 538 feet

Nearest Address:
33153 102nd Ave W
Illinois City, IL 61259
Rock Island County

GPS Coordinates: 41.4256, -91.0094

Nearby Water Temperatures

Mississippi River, New Boston, IL (16.3 mi)
Mississippi River, Rock Island, IL (23.9 mi)
Mississippi River, Le Claire, IA (33.1 mi)
Mississippi River, Gladstone, IL (37.6 mi)
Mississippi River, Camanche, IA (46.2 mi)
Beaver Slough, Clinton, IA (50.6 mi)
North Fork Maquoketa River, Maquoketa, IA (53 mi)
Mississippi River, Fulton, IL (54.6 mi)
Mississippi River, Fulton, IL (54.9 mi)
Morgan Creek, Cedar Rapids, IA (54.9 mi)
Cedar River, Palo, IA (59.8 mi)
Mississippi River, Bellevue, IA (65.1 mi)
Mississippi River, Keokuk, IA (73.8 mi)
Des Moines River, Ottumwa, IA (78.3 mi)
Mississippi River, Dubuque, IA (79.2 mi)

Weather for Illinois City, Illinois

Current Weather

72°F
Sunny
Sunny
69.8°F
76.3°F
78%
NNE 13 mph
20 mph
72°F
64.6°F
0 in
1%
6 mi
1010 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 76°F
L: 68°F
Sunny
Sun
H: 79°F
L: 62°F
Sunny
Mon
H: 80°F
L: 60°F
Sunny
Tue
H: 83°F
L: 61°F
Sunny
Wed
H: 84°F
L: 65°F

Air Quality

AQI: 1 - Good
PM2.5: 3.6 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 139 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:10 PM
Sunset: 8:21 PM
Daylight: 14 hrs 22 mins
Moonrise: 9:51 PM
Moon Transit: 3:10 AM
Moonset: 9:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
2:53 PM - 5:23 PM

Minor Periods

9:21 PM - 10:51 PM
8:31 AM - 10:01 AM

Action Rating: 2 out of 5

Flood Watch issued July 31 at 9:04PM CDT until August 3 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Fri July 31, 2026, 9:04 PM
Expires: Sat August 1, 2026, 9:15 PM

...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Saturday evening. * WHAT...Flooding is possible. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...From Sunday morning to Monday afternoon. * IMPACTS...At 11.0 feet...Water affects County Road E63 north of the river near Toronto and affects the lowest roads in Buena Vista. * ADDITIONAL DETAILS... - At 8:30 PM CDT Friday the stage was 7.3 feet. - Forecast...Flood stage may be reached Sunday morning. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood


Flood Watch issued August 1 at 11:07AM CDT until August 3 at 9:00PM CDT by NWS Quad Cities IA IL

Effective: Sat August 1, 2026, 11:07 AM
Expires: Sun August 2, 2026, 11:15 AM

...The Flood Watch is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. * WHAT...Flooding is possible. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...From Sunday morning to Monday evening. * IMPACTS...At 11.0 feet, Water affects County Road E63 north of the river near Toronto and affects the lowest roads in Buena Vista. * ADDITIONAL DETAILS... - At 10:30 AM CDT Saturday the stage was 8.3 feet and rising. - Forecast...Flood stage may be reached tomorrow morning. - Flood stage is 11.0 feet.

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible Flood Warnings. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Sunday morning.
Saturday, August 1, 2026

Weather Forecast

Sunny
76.1°F
67.5°F
70.6°F
85%
0.47 in
84%
0%
19 mph
2.5


Air Quality

AQI: 1 - Good
PM2.5: 1.86 μg/m3
PM10: 1.91 μg/m3
Carbon Monoxide: 132.75 μg/m3
Nitrogen Dioxide: 3.88 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 57.71 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:10 PM
Sunset: 8:21 PM
Daylight: 14 hrs 22 mins
Moonrise: 9:51 PM
Moon Transit: 3:10 AM
Moonset: 9:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
2:53 PM - 5:23 PM

Minor Periods

9:21 PM - 10:51 PM
8:31 AM - 10:01 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
78.6°F
61.8°F
70.1°F
82%
0.01 in
26%
0%
10.7 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 3.77 μg/m3
PM10: 3.94 μg/m3
Carbon Monoxide: 133.63 μg/m3
Nitrogen Dioxide: 3.28 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 55.83 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:10 PM
Sunset: 8:20 PM
Daylight: 14 hrs 20 mins
Moonrise: 10:12 PM
Moon Transit: 3:53 AM
Moonset: 10:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
5:20 PM - 7:50 PM

Minor Periods

9:42 PM - 11:12 PM
9:37 AM - 11:07 AM

Action Rating: 3 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
80.3°F
60.1°F
69.9°F
82%
0 in
12%
0%
7.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 3.16 μg/m3
Carbon Monoxide: 138.63 μg/m3
Nitrogen Dioxide: 5.52 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 53.92 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:10 PM
Sunset: 8:19 PM
Daylight: 14 hrs 18 mins
Moonrise: 10:34 PM
Moon Transit: 12:00 AM
Moonset: 11:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

10:04 PM - 11:34 PM
10:45 AM - 12:15 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
83.2°F
60.9°F
72°F
81%
0 in
10%
0%
10.7 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 5.6 μg/m3
PM10: 5.75 μg/m3
Carbon Monoxide: 158.42 μg/m3
Nitrogen Dioxide: 7.03 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 70.25 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:10 PM
Sunset: 8:18 PM
Daylight: 14 hrs 16 mins
Moonrise: 10:59 PM
Moon Transit: 5:22 AM
Moonset: 12:25 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:52 AM - 7:22 AM
5:08 PM - 7:38 PM

Minor Periods

10:29 PM - 11:59 PM
11:55 AM - 1:25 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Sunny
84°F
64.5°F
73°F
82%
0.17 in
71%
0%
13.4 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 10.94 μg/m3
PM10: 11.11 μg/m3
Carbon Monoxide: 250.5 μg/m3
Nitrogen Dioxide: 21.93 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 43.63 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:10 PM
Sunset: 8:17 PM
Daylight: 14 hrs 13 mins
Moonrise: 11:29 PM
Moon Transit: 6:11 AM
Moonset: 1:38 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:41 AM - 8:11 AM
5:59 PM - 8:29 PM

Minor Periods

12:00 AM - 12:00 AM
1:08 PM - 2:38 PM

Action Rating: 4 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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