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

43.2°F
Mainly Clear
Conditions: Mainly Clear
Humidity: 68%
Feels Like: 36.3°F
Wind: NW 7.6 mph
Wind Gusts: 12.3 mph
Pressure: 29.94 in
Precipitation: 0 in
Cloud Cover: 20%
Visibility: 15.4 mi
UV Index: 0

Five-Day Weather Forecast

Overcast
Wed
H: 56°F
L: 36°F
Overcast
Thu
H: 41°F
L: 31°F
Overcast
Fri
H: 41°F
L: 27°F
Sunny
Sat
H: 43°F
L: 25°F
Overcast
Sun
H: 46°F
L: 28°F

Air Quality

EPA Index 1 • Good

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

PM2.5
5.2 μg/m³
Good
PM10
5.6 μg/m³
Good
Ozone (O3)
55 μg/m³
Photochemical
NO2
6 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
137 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 48m daylight
Sunrise 6:57 AM
Solar Noon 11:50 AM
Sunset 4:44 PM
Moon
New • 2%
Moonrise 9:40 AM
Transit 1:47 PM
Moonset 5:53 PM

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
1:17 PM - 3:47 PM

Minor Periods

9:10 AM - 10:40 AM
5:23 PM - 6:53 PM
Action Rating:
Good Action 3/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 46.6°F
Average Humidity: 66%
Chance of Rain: 13%
Wind: 7.6 mph
UV Index: 2.7

Air Quality

EPA Index 1 • Good
PM2.5
4.6 μg/m³
Good
PM10
4.9 μg/m³
Good
Ozone (O3)
40 μg/m³
Photochemical
NO2
11.6 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
185.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 48m daylight
Sunrise 6:57 AM
Solar Noon 11:50 AM
Sunset 4:44 PM
Moon
New • 2%
Moonrise 9:40 AM
Transit 1:47 PM
Moonset 5:53 PM

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
1:17 PM - 3:47 PM

Minor Periods

9:10 AM - 10:40 AM
5:23 PM - 6:53 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 36.9°F
Average Humidity: 72%
Chance of Rain: 4%
Wind: 13.5 mph
UV Index: 2.3

Air Quality

EPA Index 1 • Good
PM2.5
0.6 μg/m³
Good
PM10
0.6 μg/m³
Good
Ozone (O3)
65 μg/m³
Photochemical
NO2
1.2 μg/m³
Nitrogen Dioxide
SO2
0.1 μg/m³
Sulfur Dioxide
CO
118.9 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 45m daylight
Sunrise 6:58 AM
Solar Noon 11:50 AM
Sunset 4:43 PM
Moon
Waxing Crescent • 6%
Moonrise 10:34 AM
Transit 2:39 PM
Moonset 6:46 PM

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:09 PM - 4:39 PM

Minor Periods

10:04 AM - 11:34 AM
6:16 PM - 7:46 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 33.3°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2.6

Air Quality

EPA Index 1 • Good
PM2.5
1.1 μg/m³
Good
PM10
1.2 μg/m³
Good
Ozone (O3)
61.3 μg/m³
Photochemical
NO2
2.5 μg/m³
Nitrogen Dioxide
SO2
0.2 μg/m³
Sulfur Dioxide
CO
123.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 43m daylight
Sunrise 6:59 AM
Solar Noon 11:51 AM
Sunset 4:42 PM
Moon
Waxing Crescent • 13%
Moonrise 11:18 AM
Transit 3:29 PM
Moonset 7:45 PM

Best Times for Fishing or Hunting

Major Periods

2:34 AM - 5:04 AM
2:59 PM - 5:29 PM

Minor Periods

10:48 AM - 12:18 PM
7:15 PM - 8:45 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 32.7°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 4.8 mph
UV Index: 2.7

Air Quality

EPA Index 1 • Good
PM2.5
4.1 μg/m³
Good
PM10
4.3 μg/m³
Good
Ozone (O3)
47.9 μg/m³
Photochemical
NO2
9 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
172.4 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: 35.2°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 2.5

Air Quality

EPA Index 1 • Good
PM2.5
9.2 μg/m³
Good
PM10
9.5 μg/m³
Good
Ozone (O3)
34.8 μg/m³
Photochemical
NO2
20.5 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
217.4 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
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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