Water Temperature of the Mississippi River in Dubuque, IA

Current Water Temperature

32.0°F

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

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

46.9°F
Clear
Clear
41.1°F
48°F
60%
SSE 13.4 mph
26.8 mph
44.7°F
32.8°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 65°F
L: 30°F
Sunny
Tue
H: 72°F
L: 45°F
Partly Cloudy
Wed
H: 73°F
L: 53°F
Moderate rain
Thu
H: 73°F
L: 56°F
Patchy rain nearby
Fri
H: 73°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 7.25 μg/m3
PM10: 7.65 μg/m3
Carbon Monoxide: 173.85 μg/m3
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:01 PM
Sunset: 7:50 PM
Daylight: 13 hrs 37 mins
Moonrise: 7:58 AM
Moon Transit: 4:11 PM
Moonset: 12:16 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

3:04 AM - 5:34 AM
3:41 PM - 6:11 PM

Minor Periods

7:28 AM - 8:58 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Flood Warning issued April 20 at 11:22AM CDT until April 22 at 7:00PM CDT by NWS La Crosse WI

Effective: Mon April 20, 2026, 11:22 AM
Expires: Tue April 21, 2026, 3:00 AM

...The Flood Warning continues for the following rivers in Wisconsin... Wisconsin River at Muscoda affecting Grant, Richland and Iowa Counties. Additional river and weather information is available at www.weather.gov/lacrosse. The next statement will be issued late tonight by 300 AM CDT. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wisconsin River at Muscoda. * WHEN...Until Wednesday evening. * IMPACTS...At 9.5 feet, Flooding may impact some homes in Boscobel. * ADDITIONAL DETAILS... - At 10:45 AM CDT Monday the stage was 9.5 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM CDT Monday was 9.8 feet. - Forecast...The river is expected to rise to a crest of 9.5 feet this afternoon. It will then fall below flood stage early Wednesday morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.5 feet on 09/22/1928. - http://www.weather.gov/safety/flood


Flood Watch issued April 20 at 10:51AM CDT until April 25 at 1:00PM CDT by NWS Quad Cities IA IL

Effective: Mon April 20, 2026, 10:51 AM
Expires: Tue April 21, 2026, 11:00 AM

...The Flood Watch continues for the following rivers in Illinois... Iowa... Mississippi River at Camanche affecting Clinton, Rock Island, Whiteside and Scott zones. * WHAT...Flooding is possible. * WHERE...Mississippi River at Camanche. * WHEN...From Friday morning to early Saturday afternoon. * IMPACTS...At 17.0 feet, Water affects low-lying residences at Albany. * ADDITIONAL DETAILS... - At 4:30 AM CDT Monday the stage was 15.8 feet. - Forecast...Flood stage may be reached Friday morning. - Flood stage is 17.0 feet.

Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. If you are in the watch area, remain alert to possible flooding. The next statement will be issued by Tuesday morning at 1100 AM CDT.


Flood Warning issued April 20 at 10:23AM CDT until April 25 at 5:00PM CDT by NWS Quad Cities IA IL

Effective: Mon April 20, 2026, 10:23 AM
Expires: Tue April 21, 2026, 10:30 AM

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Saturday afternoon. * IMPACTS...At 12.5 feet, Major Flood Stage. Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Monday the stage was 12.2 feet. - Forecast...The river is expected to rise to a crest of 12.4 feet tomorrow morning. It will then fall below flood stage late Saturday morning. - Flood stage is 11.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. The next statement will be issued by Tuesday morning at 1030 AM CDT.


Monday, April 20, 2026

Weather Forecast

Sunny
64.6°F
29.5°F
45.9°F
45%
0 in
0%
0%
13.6 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 4.69 μg/m3
PM10: 5.41 μg/m3
Carbon Monoxide: 179.29 μg/m3
Nitrogen Dioxide: 5.26 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 80.24 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:01 PM
Sunset: 7:50 PM
Daylight: 13 hrs 37 mins
Moonrise: 7:58 AM
Moon Transit: 4:11 PM
Moonset: 12:16 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

3:04 AM - 5:34 AM
3:41 PM - 6:11 PM

Minor Periods

7:28 AM - 8:58 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
72.2°F
45.1°F
58.4°F
70%
0 in
0%
0%
14.8 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 5.26 μg/m3
PM10: 5.73 μg/m3
Carbon Monoxide: 172.09 μg/m3
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 94.68 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:01 PM
Sunset: 7:51 PM
Daylight: 13 hrs 39 mins
Moonrise: 8:59 AM
Moon Transit: 5:16 PM
Moonset: 12:30 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
4:46 PM - 7:16 PM

Minor Periods

8:29 AM - 9:59 AM
12:00 AM - 1:30 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Partly Cloudy
72.5°F
52.9°F
62.2°F
84%
0 in
0%
0%
12.1 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 7.28 μg/m3
PM10: 8.48 μg/m3
Carbon Monoxide: 213.93 μg/m3
Nitrogen Dioxide: 7.22 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 72.16 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:01 PM
Sunset: 7:53 PM
Daylight: 13 hrs 42 mins
Moonrise: 10:09 AM
Moon Transit: 6:19 PM
Moonset: 1:31 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
5:49 PM - 8:19 PM

Minor Periods

9:39 AM - 11:09 AM
1:01 AM - 2:31 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Moderate rain
73.3°F
56.1°F
64.3°F
85%
0.42 in
85%
0%
21 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 4.72 μg/m3
Carbon Monoxide: 161.81 μg/m3
Nitrogen Dioxide: 4.23 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 78.6 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:00 PM
Sunset: 7:54 PM
Daylight: 13 hrs 45 mins
Moonrise: 11:25 AM
Moon Transit: 7:16 PM
Moonset: 2:19 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
6:46 PM - 9:16 PM

Minor Periods

10:55 AM - 12:25 AM
1:49 AM - 3:19 AM

Action Rating: 3 out of 5

Friday, April 24, 2026

Weather Forecast

Patchy rain nearby
72.6°F
55°F
64.5°F
78%
0.02 in
71%
0%
15.7 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 2.93 μg/m3
PM10: 3.37 μg/m3
Carbon Monoxide: 149.63 μg/m3
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 77.77 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:00 PM
Sunset: 7:55 PM
Daylight: 13 hrs 48 mins
Moonrise: 12:41 AM
Moon Transit: 8:09 PM
Moonset: 2:55 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
7:39 PM - 10:09 PM

Minor Periods

12:11 AM - 1:41 PM
2:25 AM - 3:55 AM

Action Rating: 3 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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