Water Temperature of the Mississippi River in Quincy, 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: Monday, January 15, 2024, 6:00 AM CST

Temperature Locations

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Local Points of Interest

Taylor, MO

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Mississippi River

Station Name: Quincy 3SSW - L&D 21
Data Source: USGS

Elevation Above Sea Level: 459 feet

Nearest Address:
957 W Lock and Dam Rd
Quincy, IL 62305
Adams County

GPS Coordinates: 39.9035, -91.4284

Nearby Water Temperatures

Mississippi River, Canton, MO (17.2 mi)
Mississippi River, Saverton, MO (20.8 mi)
Mississippi River, Keokuk, IA (34 mi)
Mississippi River, Clarksville, MO (46 mi)
Illinois River, Florence, IL (47.4 mi)
Illinois River, La Grange, IL (47.4 mi)
Long Branch Lake, Macon, MO (58.1 mi)
Mississippi River, Gladstone, IL (70.9 mi)
Mississippi River, Cap Au Gris, MO (73.7 mi)
Missouri River, Hermann, MO (82.5 mi)
Mason Tazewell Drainage Ditch, Topeka, IL (85.2 mi)
Mississippi River, New Boston, IL (91.2 mi)
Des Moines River, Ottumwa, IA (92.3 mi)
Lick Creek, Springfield, IL (92.5 mi)
Missouri River, St Charles, MO (92.6 mi)

Weather for Quincy, Illinois

Current Weather

33.6°F
Clear
Conditions: Clear
Humidity: 63%
Feels Like: 27.5°F
Wind: SSE 2.4 mph
Wind Gusts: 2.2 mph
Pressure: 30.3 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 16.7 mi
UV Index: 0

Five-Day Weather Forecast

Mainly Sunny
Sat
H: 48°F
L: 22°F
Overcast
Sun
H: 51°F
L: 26°F
Overcast
Mon
H: 56°F
L: 28°F
Partly Cloudy
Tue
H: 60°F
L: 37°F
Overcast
Wed
H: 63°F
L: 42°F

Air Quality

EPA Index 1 • Good

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

PM2.5
11.6 μg/m³
Good
PM10
12 μg/m³
Good
Ozone (O3)
35 μg/m³
Photochemical
NO2
17.2 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
277 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 1m daylight
Sunrise 6:50 AM
Solar Noon 11:50 AM
Sunset 4:50 PM
Moon
Waxing Crescent • 21%
Moonrise 11:38 AM
Transit 4:17 PM
Moonset 9:02 PM

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
3:47 PM - 6:17 PM

Minor Periods

11:08 AM - 12:38 PM
8:32 PM - 10:02 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Mainly Sunny
Average Temperature: 34.2°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 2.9 mph
UV Index: 3.4

Air Quality

EPA Index 1 • Good
PM2.5
8.5 μg/m³
Good
PM10
9.2 μg/m³
Good
Ozone (O3)
43.2 μg/m³
Photochemical
NO2
8.8 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
180 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 1m daylight
Sunrise 6:50 AM
Solar Noon 11:50 AM
Sunset 4:50 PM
Moon
Waxing Crescent • 21%
Moonrise 11:38 AM
Transit 4:17 PM
Moonset 9:02 PM

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
3:47 PM - 6:17 PM

Minor Periods

11:08 AM - 12:38 PM
8:32 PM - 10:02 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 37.6°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 3.3

Air Quality

EPA Index 2 • Moderate
PM2.5
13 μg/m³
Moderate
PM10
13.4 μg/m³
Good
Ozone (O3)
37.3 μg/m³
Photochemical
NO2
17 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
198.6 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 59m daylight
Sunrise 6:51 AM
Solar Noon 11:50 AM
Sunset 4:50 PM
Moon
Waxing Crescent • 31%
Moonrise 12:10 PM
Transit 5:03 PM
Moonset 10:04 PM

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
4:33 PM - 7:03 PM

Minor Periods

11:40 AM - 1:10 PM
9:34 PM - 11:04 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 41.4°F
Average Humidity: 52%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 3.3

Air Quality

EPA Index 2 • Moderate
PM2.5
13.4 μg/m³
Moderate
PM10
13.6 μg/m³
Good
Ozone (O3)
39.5 μg/m³
Photochemical
NO2
12.5 μg/m³
Nitrogen Dioxide
SO2
3.4 μg/m³
Sulfur Dioxide
CO
203.7 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 57m daylight
Sunrise 6:52 AM
Solar Noon 11:50 AM
Sunset 4:49 PM
Moon
First Quarter • 42%
Moonrise 12:38 PM
Transit 5:48 PM
Moonset 11:06 PM

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
5:18 PM - 7:48 PM

Minor Periods

12:08 PM - 1:38 PM
10:36 PM - 12:06 AM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 46.4°F
Average Humidity: 56%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 3.3

Air Quality

EPA Index 2 • Moderate
PM2.5
7 μg/m³
Good
PM10
7.1 μg/m³
Good
Ozone (O3)
49 μg/m³
Photochemical
NO2
6.3 μg/m³
Nitrogen Dioxide
SO2
2.4 μg/m³
Sulfur Dioxide
CO
178 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 55m daylight
Sunrise 6:53 AM
Solar Noon 11:50 AM
Sunset 4:48 PM
Moon
First Quarter • 54%
Moonrise 1:02 PM
Transit 6:31 PM
Moonset 1:27 AM

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
6:01 PM - 8:31 PM

Minor Periods

12:57 AM - 2:27 AM
12:32 PM - 2:02 PM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 53.1°F
Average Humidity: 50%
Chance of Rain: 2%
Wind: 19.4 mph
UV Index: 2.9

Air Quality

EPA Index 1 • Good
PM2.5
4.5 μg/m³
Good
PM10
4.6 μg/m³
Good
Ozone (O3)
66.6 μg/m³
Photochemical
NO2
3 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
160.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 53m daylight
Sunrise 6:54 AM
Solar Noon 11:50 AM
Sunset 4:47 PM
Moon
First Quarter • 65%
Moonrise 1:24 PM
Transit 7:13 PM
Moonset 12:09 AM

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
6:43 PM - 9:13 PM

Minor Periods

12:54 PM - 2:24 PM
11:39 PM - 1:09 AM
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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