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

86.4°F
Partly cloudy
Partly cloudy
90.2°F
93.8°F
62%
N 7.8 mph
12.5 mph
88.3°F
69.3°F
0 in
50%
9 mi
1013 mbar
0.4

Five Day Weather Forecast

Sunny
Sat
H: 96°F
L: 76°F
Sunny
Sun
H: 84°F
L: 66°F
Sunny
Mon
H: 91°F
L: 67°F
Sunny
Tue
H: 81°F
L: 66°F
Sunny
Wed
H: 72°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 2.7 μg/m3
PM10: 3 μg/m3
Carbon Monoxide: 119 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 107 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:10 PM
Sunset: 8:34 PM
Daylight: 14 hrs 48 mins
Moonrise: 10:45 AM
Moon Transit: 5:00 PM
Moonset: 11:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
4:30 PM - 7:00 PM

Minor Periods

12:00 AM - 12:00 AM
10:15 AM - 11:45 AM

Action Rating: 2 out of 5

Heat Advisory issued July 18 at 9:57AM CDT until July 18 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Sat July 18, 2026, 9:57 AM
Expires: Sat July 18, 2026, 7:00 PM

* WHAT...Heat index values around 100 degrees expected. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 7 PM CDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued July 18 at 6:48PM CDT until July 18 at 7:00PM CDT by NWS Quad Cities IA IL

Effective: Sat July 18, 2026, 6:48 PM
Expires: Sat July 18, 2026, 8:00 PM

Temperatures will continue to decrease through the evening hours, with heat index values in the 90s for the next couple of hours.
Saturday, July 18, 2026

Weather Forecast

Sunny
95.7°F
75.9°F
84.5°F
67%
0 in
5%
0%
12.3 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 3.72 μg/m3
PM10: 4.7 μg/m3
Carbon Monoxide: 119.17 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 81.54 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:10 PM
Sunset: 8:34 PM
Daylight: 14 hrs 48 mins
Moonrise: 10:45 AM
Moon Transit: 5:00 PM
Moonset: 11:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
4:30 PM - 7:00 PM

Minor Periods

12:00 AM - 12:00 AM
10:15 AM - 11:45 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
83.7°F
66.4°F
75.5°F
76%
0 in
11%
0%
7.6 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 8.38 μg/m3
PM10: 8.48 μg/m3
Carbon Monoxide: 197.38 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 98.42 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:10 PM
Sunset: 8:34 PM
Daylight: 14 hrs 47 mins
Moonrise: 11:53 AM
Moon Transit: 5:43 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:43 AM - 7:13 AM
5:13 PM - 7:43 PM

Minor Periods

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

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
90.6°F
66.5°F
76.4°F
86%
0.6 in
82%
0%
24.2 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 4.38 μg/m3
PM10: 4.7 μg/m3
Carbon Monoxide: 152.21 μg/m3
Nitrogen Dioxide: 4.42 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 98.83 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:10 PM
Sunset: 8:33 PM
Daylight: 14 hrs 45 mins
Moonrise: 12:59 AM
Moon Transit: 6:26 PM
Moonset: 12:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
5:56 PM - 8:26 PM

Minor Periods

12:29 AM - 1:59 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
80.9°F
65.7°F
75.5°F
81%
0.01 in
22%
0%
16.3 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 2.56 μg/m3
PM10: 2.79 μg/m3
Carbon Monoxide: 134.78 μg/m3
Nitrogen Dioxide: 3.94 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 85.42 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:10 PM
Sunset: 8:32 PM
Daylight: 14 hrs 43 mins
Moonrise: 2:04 PM
Moon Transit: 7:10 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
6:40 PM - 9:10 PM

Minor Periods

1:34 PM - 3:04 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
71.8°F
58°F
65.2°F
79%
0 in
11%
0%
11.2 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 4.19 μg/m3
PM10: 4.31 μg/m3
Carbon Monoxide: 218 μg/m3
Nitrogen Dioxide: 5 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 65.38 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:10 PM
Sunset: 8:31 PM
Daylight: 14 hrs 42 mins
Moonrise: 3:09 PM
Moon Transit: 7:56 PM
Moonset: 12:10 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

6:55 AM - 9:25 AM
7:26 PM - 9:56 PM

Minor Periods

2:39 PM - 4:09 PM
12:00 AM - 12:00 AM

Action Rating: 2 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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