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

51.1°F
Partly cloudy
Partly cloudy
49.8°F
48.2°F
71%
SE 4.5 mph
5.1 mph
48°F
44.4°F
0 in
75%
9 mi
1015 mbar
2

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 51°F
L: 38°F
Heavy rain
Fri
H: 63°F
L: 39°F
Heavy rain
Sat
H: 46°F
L: 34°F
Sunny
Sun
H: 60°F
L: 27°F
Sunny
Mon
H: 66°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 13.45 μg/m3
PM10: 13.55 μg/m3
Carbon Monoxide: 347.85 μg/m3
Nitrogen Dioxide: 12.05 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 31 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:14 AM
Sunset: 5:57 PM
Daylight: 11 hrs 26 mins
Moonrise: 8:41 PM
Moon Transit: 1:31 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:17 PM - 3:47 PM

Minor Periods

8:11 PM - 9:41 PM
6:47 AM - 8:17 AM

Action Rating: 4 out of 5

Dense Fog Advisory issued March 5 at 2:38AM CST until March 5 at 9:00AM CST by NWS Quad Cities IA IL

Effective: Thu March 5, 2026, 2:38 AM
Expires: Thu March 5, 2026, 9:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Illinois, Jo Daviess and Stephenson Counties. In Iowa, Iowa, Jackson, Jones, Linn, and Keokuk Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued March 5 at 5:04AM CST until March 5 at 12:00PM CST by NWS Milwaukee/Sullivan WI

Effective: Thu March 5, 2026, 5:04 AM
Expires: Thu March 5, 2026, 12:00 PM

* WHAT...Visibility less than one mile in dense fog. * WHERE...Green, Lafayette, Rock, Kenosha, Racine, and Walworth Counties. * WHEN...Until noon CST today. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...The dense fog may shift further northward into this morning.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued March 5 at 2:38AM CST until March 5 at 9:00AM CST by NWS Quad Cities IA IL

Effective: Thu March 5, 2026, 2:38 AM
Expires: Thu March 5, 2026, 9:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of north central, northwest, and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Thursday, March 5, 2026

Weather Forecast

Patchy rain nearby
51.4°F
38.3°F
44°F
89%
0.01 in
87%
0%
7.6 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 23.75 μg/m3
PM10: 24.05 μg/m3
Carbon Monoxide: 301.13 μg/m3
Nitrogen Dioxide: 10.94 μg/m3
Sulphur Dioxide: 5.05 μg/m3
Ozone: 39 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:14 AM
Sunset: 5:57 PM
Daylight: 11 hrs 26 mins
Moonrise: 8:41 PM
Moon Transit: 1:31 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:17 PM - 3:47 PM

Minor Periods

8:11 PM - 9:41 PM
6:47 AM - 8:17 AM

Action Rating: 4 out of 5

Friday, March 6, 2026

Weather Forecast

Heavy rain
62.8°F
39.4°F
50.5°F
97%
0.91 in
84%
0%
16.6 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 9.64 μg/m3
PM10: 9.86 μg/m3
Carbon Monoxide: 274.69 μg/m3
Nitrogen Dioxide: 8.86 μg/m3
Sulphur Dioxide: 2.53 μg/m3
Ozone: 44.08 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:13 AM
Sunset: 5:59 PM
Daylight: 11 hrs 29 mins
Moonrise: 9:47 PM
Moon Transit: 2:13 AM
Moonset: 7:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:00 PM - 4:30 PM

Minor Periods

9:17 PM - 10:47 PM
7:07 AM - 8:37 AM

Action Rating: 2 out of 5

Saturday, March 7, 2026

Weather Forecast

Heavy rain
45.7°F
33.9°F
44°F
88%
2.16 in
89%
0%
20.6 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 4.1 μg/m3
PM10: 4.31 μg/m3
Carbon Monoxide: 164.57 μg/m3
Nitrogen Dioxide: 3.79 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 65.44 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:13 AM
Sunset: 6:00 PM
Daylight: 11 hrs 31 mins
Moonrise: 10:53 PM
Moon Transit: 2:57 AM
Moonset: 7:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
2:44 PM - 5:14 PM

Minor Periods

10:23 PM - 11:53 PM
7:29 AM - 8:59 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Sunny
60.1°F
26.8°F
43.6°F
65%
0 in
0%
0%
20.6 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 4.08 μg/m3
Carbon Monoxide: 176.55 μg/m3
Nitrogen Dioxide: 3.83 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 70.64 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 12:00 AM
Sunset: 6:01 PM
Daylight: 11 hrs 34 mins
Moonrise: 11:58 PM
Moon Transit: 3:42 AM
Moonset: 8:25 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:12 AM - 5:42 AM
3:30 PM - 6:00 PM

Minor Periods

12:00 AM - 12:00 AM
7:55 AM - 9:25 AM

Action Rating: 3 out of 5

Monday, March 9, 2026

Weather Forecast

Sunny
66.4°F
47.2°F
54°F
52%
0 in
0%
0%
19.2 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 3.74 μg/m3
Carbon Monoxide: 164.85 μg/m3
Nitrogen Dioxide: 3.44 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 77.75 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 12:00 AM
Sunset: 6:02 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:58 AM
Moon Transit: 4:29 AM
Moonset: 8:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

3:59 AM - 6:29 AM
4:18 PM - 6:48 PM

Minor Periods

8:25 AM - 9:55 AM
12:00 AM - 12:00 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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