Water Temperature of the Mississippi River in Illinois City, IL

Current Water Temperature

32.0°F 0.0°C
Frigid Dangerously Cold
32.0°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.

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

Temperature Locations

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Local Points of Interest

Muscatine, IA

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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

61.2°F
Sunny
Conditions: Sunny
Humidity: 52%
Feels Like: 58.1°F
Wind: WNW 3.2 mph
Wind Gusts: 4.7 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 23.7 mi
UV Index: 3.3

Weather Forecast

Overcast
Tue
H: 63°F
L: 39°F
Overcast
Wed
H: 54°F
L: 39°F
Light Snow Showers
Thu
H: 46°F
L: 33°F
Overcast
Fri
H: 42°F
L: 29°F
Sunny
Sat
H: 44°F
L: 29°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
2.4 μg/m³
Good
PM10
2.5 μg/m³
Good
Ozone (O3)
44 μg/m³
Photochemical
NO2
4.5 μg/m³
Nitrogen Dioxide
SO2
1.4 μg/m³
Sulfur Dioxide
CO
147 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 2m daylight
Sunrise 6:47 AM
Solar Noon 11:47 AM
Sunset 4:49 PM
Moon
New • 0%
Moonrise 8:26 AM
Transit 12:53 PM
Moonset 5:18 PM

Best Times for Fishing or Hunting

Major Periods

12:23 PM - 2:53 PM
11:58 PM - 2:28 AM

Minor Periods

7:56 AM - 9:26 AM
4:48 PM - 6:18 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 50.4°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 5.9 mph
UV Index: 3.3

Air Quality

EPA Index 1 • Good
PM2.5
5.7 μg/m³
Good
PM10
5.9 μg/m³
Good
Ozone (O3)
29.6 μg/m³
Photochemical
NO2
14.8 μg/m³
Nitrogen Dioxide
SO2
1.3 μg/m³
Sulfur Dioxide
CO
170.8 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 2m daylight
Sunrise 6:47 AM
Solar Noon 11:47 AM
Sunset 4:49 PM
Moon
New • 0%
Moonrise 8:26 AM
Transit 12:53 PM
Moonset 5:18 PM

Best Times for Fishing or Hunting

Major Periods

12:23 PM - 2:53 PM
11:58 PM - 2:28 AM

Minor Periods

7:56 AM - 9:26 AM
4:48 PM - 6:18 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 46.4°F
Average Humidity: 73%
Chance of Rain: 19%
Wind: 14.5 mph
UV Index: 3

Air Quality

EPA Index 1 • Good
PM2.5
6.5 μg/m³
Good
PM10
6.9 μg/m³
Good
Ozone (O3)
34.9 μg/m³
Photochemical
NO2
11.4 μg/m³
Nitrogen Dioxide
SO2
1.2 μg/m³
Sulfur Dioxide
CO
168 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 0m daylight
Sunrise 6:48 AM
Solar Noon 11:48 AM
Sunset 4:48 PM
Moon
New • 2%
Moonrise 9:25 AM
Transit 1:44 PM
Moonset 6:03 PM

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
1:14 PM - 3:44 PM

Minor Periods

8:55 AM - 10:25 AM
5:33 PM - 7:03 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Light Snow Showers
Average Temperature: 40.3°F
Average Humidity: 70%
Chance of Rain: 1%
Wind: 14.5 mph
UV Index: 2.5

Air Quality

EPA Index 1 • Good
PM2.5
1.6 μg/m³
Good
PM10
1.7 μg/m³
Good
Ozone (O3)
55.6 μg/m³
Photochemical
NO2
2.5 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
123 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 58m daylight
Sunrise 6:49 AM
Solar Noon 11:48 AM
Sunset 4:47 PM
Moon
Waxing Crescent • 6%
Moonrise 10:19 AM
Transit 2:36 PM
Moonset 6:55 PM

Best Times for Fishing or Hunting

Major Periods

1:40 AM - 4:10 AM
2:06 PM - 4:36 PM

Minor Periods

9:49 AM - 11:19 AM
6:25 PM - 7:55 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 34.7°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 12.2 mph
UV Index: 2.8

Air Quality

EPA Index 1 • Good
PM2.5
2.4 μg/m³
Good
PM10
2.5 μg/m³
Good
Ozone (O3)
59.5 μg/m³
Photochemical
NO2
5.5 μg/m³
Nitrogen Dioxide
SO2
0.2 μg/m³
Sulfur Dioxide
CO
124.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 56m daylight
Sunrise 6:50 AM
Solar Noon 11:48 AM
Sunset 4:46 PM
Moon
Waxing Crescent • 13%
Moonrise 11:04 AM
Transit 3:27 PM
Moonset 7:53 PM

Best Times for Fishing or Hunting

Major Periods

2:31 AM - 5:01 AM
2:57 PM - 5:27 PM

Minor Periods

10:34 AM - 12:04 PM
7:23 PM - 8:53 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 35.4°F
Average Humidity: 65%
Chance of Rain: 1%
Wind: 6.3 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
6.3 μg/m³
Good
PM10
6.7 μg/m³
Good
Ozone (O3)
37 μg/m³
Photochemical
NO2
14.4 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
145.9 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 54m daylight
Sunrise 6:52 AM
Solar Noon 11:48 AM
Sunset 4:45 PM
Moon
Waxing Crescent • 21%
Moonrise 11:41 AM
Transit 4:15 PM
Moonset 8:55 PM

Best Times for Fishing or Hunting

Major Periods

3:21 AM - 5:51 AM
3:45 PM - 6:15 PM

Minor Periods

11:11 AM - 12:41 PM
8:25 PM - 9:55 PM
Action Rating:
Fair Action 2/5
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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