Water Temperature of the Mississippi River in Trempealeau, WI
Current Water Temperature
Measurement Time: Wednesday, October 22, 2025, 10:15 AM CDT
Temperature Locations
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Local Points of Interest
Perrot State ParkStation Name: Trempealeau L&D 6
Data Source: USGS
Elevation Above Sea Level: 640 feet / 195 meters
Nearest Address:
Lock and Dam Rd
Trempealeau, WI 54661
Trempealeau County
GPS Coordinates: 43.9994, -91.4378
Nearby Water Temperatures
Lake Onalaska, La Crescent, MN (11.2 mi)Mississippi River, Winona, MN (13.1 mi)
Mississippi River, Minnesota City, MN (21.6 mi)
Whitewater River, Beaver, MN (30.0 mi)
Mississippi River, Kellogg, MN (31.2 mi)
Mississippi River, Genoa, WI (31.4 mi)
Mississippi River, Alma, WI (32.9 mi)
Stillwell Creek, Fort McCoy, WI (38.8 mi)
South Branch Root River, Carimona, MN (42.7 mi)
Kickapoo River, Readstown, WI (50.7 mi)
Lake Pepin, Lake City, MN (51.4 mi)
Cascade Creek, Rochester, MN (54.4 mi)
Eau Claire River, Augusta, WI (55.0 mi)
Wells Creek, Frontenac, MN (56.5 mi)
Fall Creek, Fall Creek, WI (56.5 mi)
Weather for Trempealeau, Wisconsin
Current Weather

Humidity: 93%
Feels Like: 26.8°F
Wind: WNW 6 mph
Wind Gusts: 12.2 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Thu
H: 52°F
L: 32°F

Fri
H: 57°F
L: 30°F

Sat
H: 60°F
L: 34°F

Sun
H: 55°F
L: 47°F

Mon
H: 54°F
L: 48°F
Air Quality
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 43 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 6:09 PM
Daylight: 10 hrs 38 mins
Moon Transit: 2:23 PM
Moonset: 6:48 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
1:18 AM - 3:48 AM1:53 PM - 4:23 PM
Minor Periods
6:18 PM - 7:48 PM9:24 AM - 10:54 AM
Action Rating: 4 out of 5
Frost Advisory issued October 22 at 1:09PM CDT until October 23 at 9:00AM CDT by NWS La Crosse WI
Effective: Wed October 22, 2025, 1:09 PM
Expires: Thu October 23, 2025, 9:00 AM
* WHAT...Overnight low temperatures will range from the upper 20s to lower 30s tonight. This will result in frost formation. * WHERE...Portions of north central and northeast Iowa, southeast Minnesota, and central, southwest, and west central Wisconsin. * WHEN...From 2 AM to 9 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Weather Forecast
Average Temperature: 40.2°F
Average Humidity: 76%
Wind: 10.3 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 5.88 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 53.6 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 6:09 PM
Daylight: 10 hrs 38 mins
Moon Transit: 2:23 PM
Moonset: 6:48 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
1:18 AM - 3:48 AM1:53 PM - 4:23 PM
Minor Periods
6:18 PM - 7:48 PM9:24 AM - 10:54 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 42.4°F
Average Humidity: 74%
Wind: 5.8 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 9.06 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 51.44 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:07 PM
Daylight: 10 hrs 35 mins
Moon Transit: 3:12 PM
Moonset: 7:22 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.8%
Best Times for Fishing or Hunting
Major Periods
2:05 AM - 4:35 AM2:42 PM - 5:12 PM
Minor Periods
6:52 PM - 8:22 PM10:28 AM - 11:58 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 47°F
Average Humidity: 69%
Wind: 10.1 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 8.77 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 55.44 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:05 PM
Daylight: 10 hrs 32 mins
Moon Transit: 4:03 PM
Moonset: 8:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.2%
Best Times for Fishing or Hunting
Major Periods
2:55 AM - 5:25 AM3:33 PM - 6:03 PM
Minor Periods
7:35 PM - 9:05 PM11:29 AM - 12:59 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 50.5°F
Average Humidity: 63%
Wind: 13.9 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 6.73 μg/m3
Sulphur Dioxide: 3.53 μg/m3
Ozone: 56.69 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:04 PM
Daylight: 10 hrs 29 mins
Moon Transit: 4:55 PM
Moonset: 8:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 20.5%
Best Times for Fishing or Hunting
Major Periods
3:47 AM - 6:17 AM4:25 PM - 6:55 PM
Minor Periods
8:28 PM - 9:58 PM12:24 AM - 1:54 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 50.3°F
Average Humidity: 71%
Wind: 15.9 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:49 AM
Sunset: 6:02 PM
Daylight: 10 hrs 27 mins
Moon Transit: 5:47 PM
Moonset: 9:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 30.3%
Best Times for Fishing or Hunting
Major Periods
4:39 AM - 7:09 AM5:17 PM - 7:47 PM
Minor Periods
9:28 PM - 10:58 PM1:10 PM - 2:40 PM
Action Rating: 3 out of 5