Water Temperature of the Mississippi River in Winona, MN

Current Water Temperature

72.1°F 22.3°C
Comfortable Ideal for Swimming
72.1°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Pleasant and refreshing. Ideal for recreational swimming, triathlons, and active water recreation without thermal gear.

Measurement Time: Sunday, January 21, 2024, 9:15 AM CST

Temperature Locations

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Local Points of Interest

Minnesota City, MN; Goodview, MN

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Mississippi River

Station Name: Winona L&D 5A
Data Source: USGS

Elevation Above Sea Level: 646 feet

Nearest Address:
Winona, MN 55959
Winona County

GPS Coordinates: 44.0875, -91.6703

Nearby Water Temperatures

Mississippi River, Minnesota City, MN (8.6 mi)
Mississippi River, Trempealeau, WI (13.1 mi)
Whitewater River, Beaver, MN (17.2 mi)
Mississippi River, Kellogg, MN (18.6 mi)
Mississippi River, Alma, WI (20.7 mi)
Lake Onalaska, La Crescent, MN (23.6 mi)
South Branch Root River, Carimona, MN (38.1 mi)
Lake Pepin, Lake City, MN (38.6 mi)
Mississippi River, Genoa, WI (41.9 mi)
Cascade Creek, Rochester, MN (43.1 mi)
Wells Creek, Frontenac, MN (43.7 mi)
Stillwell Creek, Fort McCoy, WI (50.7 mi)
Fall Creek, Fall Creek, WI (53.5 mi)
Eau Claire River, Augusta, WI (54.8 mi)
Mississippi River, Red Wing, MN (58.8 mi)

Weather for Winona, Minnesota

Current Weather

34.3°F
Clear
Conditions: Clear
Humidity: 64%
Feels Like: 28.8°F
Wind: ENE 1.4 mph
Wind Gusts: 1.4 mph
Pressure: 30.27 in
Precipitation: 0 in
Cloud Cover: 10%
Visibility: 17.1 mi
UV Index: 0

Five-Day Weather Forecast

Overcast
Sat
H: 44°F
L: 23°F
Overcast
Sun
H: 48°F
L: 33°F
Overcast
Mon
H: 52°F
L: 33°F
Overcast
Tue
H: 55°F
L: 40°F
Light Drizzle
Wed
H: 57°F
L: 47°F

Air Quality

EPA Index 1 • Good

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

PM2.5
15.1 μg/m³
Moderate
PM10
15.7 μg/m³
Good
Ozone (O3)
35 μg/m³
Photochemical
NO2
19.1 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
294 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 41m daylight
Sunrise 7:01 AM
Solar Noon 11:51 AM
Sunset 4:41 PM
Moon
Waxing Crescent • 21%
Moonrise 11:54 AM
Transit 4:18 PM
Moonset 8:48 PM

Best Times for Fishing or Hunting

Major Periods

3:24 AM - 5:54 AM
3:48 PM - 6:18 PM

Minor Periods

11:24 AM - 12:54 PM
8:18 PM - 9:48 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 32.5°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 4.1 mph
UV Index: 2.7

Air Quality

EPA Index 2 • Moderate
PM2.5
10.1 μg/m³
Good
PM10
10.7 μg/m³
Good
Ozone (O3)
45 μg/m³
Photochemical
NO2
9.6 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
187.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 41m daylight
Sunrise 7:01 AM
Solar Noon 11:51 AM
Sunset 4:41 PM
Moon
Waxing Crescent • 21%
Moonrise 11:54 AM
Transit 4:18 PM
Moonset 8:48 PM

Best Times for Fishing or Hunting

Major Periods

3:24 AM - 5:54 AM
3:48 PM - 6:18 PM

Minor Periods

11:24 AM - 12:54 PM
8:18 PM - 9:48 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 38.3°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 6.2 mph
UV Index: 2.6

Air Quality

EPA Index 2 • Moderate
PM2.5
18.2 μg/m³
Moderate
PM10
18.8 μg/m³
Good
Ozone (O3)
33 μg/m³
Photochemical
NO2
14.8 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
186.1 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 38m daylight
Sunrise 7:02 AM
Solar Noon 11:51 AM
Sunset 4:40 PM
Moon
Waxing Crescent • 31%
Moonrise 12:24 PM
Transit 5:04 PM
Moonset 9:53 PM

Best Times for Fishing or Hunting

Major Periods

4:11 AM - 6:41 AM
4:34 PM - 7:04 PM

Minor Periods

11:54 AM - 1:24 PM
9:23 PM - 10:53 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 41°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 10.8 mph
UV Index: 2.2

Air Quality

EPA Index 2 • Moderate
PM2.5
9.6 μg/m³
Good
PM10
9.8 μg/m³
Good
Ozone (O3)
49.4 μg/m³
Photochemical
NO2
4.6 μg/m³
Nitrogen Dioxide
SO2
1.2 μg/m³
Sulfur Dioxide
CO
144.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 36m daylight
Sunrise 7:03 AM
Solar Noon 11:51 AM
Sunset 4:39 PM
Moon
First Quarter • 42%
Moonrise 12:48 PM
Transit 5:49 PM
Moonset 10:59 PM

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
5:19 PM - 7:49 PM

Minor Periods

12:18 PM - 1:48 PM
10:29 PM - 11:59 PM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 46.2°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 15.7 mph
UV Index: 2.4

Air Quality

EPA Index 2 • Moderate
PM2.5
7 μg/m³
Good
PM10
7.1 μg/m³
Good
Ozone (O3)
56.3 μg/m³
Photochemical
NO2
3.5 μg/m³
Nitrogen Dioxide
SO2
1.2 μg/m³
Sulfur Dioxide
CO
145 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 34m daylight
Sunrise 7:05 AM
Solar Noon 11:51 AM
Sunset 4:39 PM
Moon
First Quarter • 54%
Moonrise 1:09 PM
Transit 6:32 PM
Moonset 12:05 AM

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
6:02 PM - 8:32 PM

Minor Periods

12:39 PM - 2:09 PM
11:35 PM - 1:05 AM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 52°F
Average Humidity: 60%
Chance of Rain: 5%
Wind: 19.1 mph
UV Index: 2.2

Air Quality

EPA Index 1 • Good
PM2.5
3.6 μg/m³
Good
PM10
3.8 μg/m³
Good
Ozone (O3)
64.5 μg/m³
Photochemical
NO2
2.6 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
144.7 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 32m daylight
Sunrise 7:06 AM
Solar Noon 11:51 AM
Sunset 4:38 PM
Moon
First Quarter • 65%
Moonrise 1:28 PM
Transit 7:14 PM
Moonset 12:05 AM

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
6:44 PM - 9:14 PM

Minor Periods

12:58 PM - 2:28 PM
11:35 PM - 1:05 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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