Water Temperature of the Mississippi River in Dubuque, IA

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: Friday, December 5, 2025, 9:00 AM CST

Temperature Locations

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Local Points of Interest

Eagle Point Park; Hazel Green, WI; O'Leary Lake

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Mississippi River

Station Name: Dubuque L&D 11
Data Source: USGS

Elevation Above Sea Level: 604 feet

Nearest Address:
3094 Volunteer Dr
Dubuque, IA 52001
Dubuque County

GPS Coordinates: 42.54, -90.6461

Nearby Water Temperatures

Mississippi River, Bellevue, IA (22.4 mi)
North Fork Maquoketa River, Maquoketa, IA (26.3 mi)
Mississippi River, Guttenberg, IA (28.5 mi)
Turkey River, Garber, IA (34.2 mi)
Mississippi River, Clayton, IA (35.7 mi)
Wisconsin River, Muscoda, WI (46.6 mi)
Mississippi River, Fulton, IL (51 mi)
Mississippi River, Fulton, IL (51.1 mi)
Mississippi River, Lynxville, WI (51.8 mi)
Beaver Slough, Clinton, IA (54.5 mi)
Mississippi River, Camanche, IA (56.2 mi)
Black Earth Creek, Black Earth, WI (61.9 mi)
Sugar River, Verona, WI (62.7 mi)
Kickapoo River, Readstown, WI (63.1 mi)
Black Earth Creek, Cross Plains, WI (63.7 mi)

Weather for Dubuque, Iowa

Current Weather

44.1°F
Clear
Conditions: Clear
Humidity: 85%
Feels Like: 39.9°F
Wind: NW 7.4 mph
Wind Gusts: 15 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 5%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Sunny
Tue
H: 60°F
L: 40°F
Overcast
Wed
H: 52°F
L: 42°F
Overcast
Thu
H: 42°F
L: 30°F

Air Quality

EPA Index 1 • Good

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

PM2.5
2.5 μg/m³
Good
PM10
2.8 μg/m³
Good
Ozone (O3)
34 μg/m³
Photochemical
NO2
5.8 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
146 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 57m daylight
Sunrise 6:48 AM
Solar Noon 11:46 AM
Sunset 4:45 PM
Moon
New • 0%
Moonrise 8:29 AM
Transit 12:51 PM
Moonset 5:12 PM

Best Times for Fishing or Hunting

Major Periods

12:21 PM - 2:51 PM
11:56 PM - 2:26 AM

Minor Periods

7:59 AM - 9:29 AM
4:42 PM - 6:12 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 48.6°F
Average Humidity: 68%
Chance of Rain: 7%
Wind: 8.1 mph
UV Index: 2.3

Astronomical

Sun
9h 57m daylight
Sunrise 6:48 AM
Solar Noon 11:46 AM
Sunset 4:45 PM
Moon
New • 0%
Moonrise 8:29 AM
Transit 12:51 PM
Moonset 5:12 PM

Best Times for Fishing or Hunting

Major Periods

12:21 PM - 2:51 PM
11:56 PM - 2:26 AM

Minor Periods

7:59 AM - 9:29 AM
4:42 PM - 6:12 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 45.8°F
Average Humidity: 76%
Chance of Rain: 68%
Wind: 15.2 mph
UV Index: 0.2

Astronomical

Sun
9h 55m daylight
Sunrise 6:49 AM
Solar Noon 11:46 AM
Sunset 4:44 PM
Moon
New • 2%
Moonrise 9:28 AM
Transit 1:43 PM
Moonset 5:56 PM

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
1:13 PM - 3:43 PM

Minor Periods

8:58 AM - 10:28 AM
5:26 PM - 6:56 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 37.7°F
Average Humidity: 67%
Chance of Rain: 18%
Wind: 14.8 mph
UV Index: 1

Astronomical

Sun
9h 53m daylight
Sunrise 6:50 AM
Solar Noon 11:46 AM
Sunset 4:43 PM
Moon
Waxing Crescent • 6%
Moonrise 10:22 AM
Transit 2:34 PM
Moonset 6:49 PM

Best Times for Fishing or Hunting

Major Periods

1:39 AM - 4:09 AM
2:04 PM - 4:34 PM

Minor Periods

9:52 AM - 11:22 AM
6:19 PM - 7:49 PM
Action Rating:
Good Action 3/5
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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