Water Temperature of Lake Onalaska in La Crescent, MN

Current Water Temperature

32.0°F

Measurement Time: Saturday, February 7, 2026, 9:15 AM CST

Temperature Locations

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Local Points of Interest

Mississippi River; Upper Mississippi River National Wildlife and Fish Refuge

Lake Onalaska

Station Name: La Crescent L&D 7
Data Source: USGS

Elevation Above Sea Level: 646 feet

Nearest Address:
Lock And Dam Road
La Crescent, MN 55947
Winona County

GPS Coordinates: 43.8658, -91.31

Nearby Water Temperatures

Mississippi River, Trempealeau, WI (11.2 mi)
Mississippi River, Genoa, WI (20.8 mi)
Mississippi River, Winona, MN (23.6 mi)
Mississippi River, Minnesota City, MN (32.2 mi)
Stillwell Creek, Fort McCoy, WI (33.7 mi)
Kickapoo River, Readstown, WI (39.6 mi)
Whitewater River, Beaver, MN (39.8 mi)
Mississippi River, Kellogg, MN (42.1 mi)
Mississippi River, Alma, WI (43.9 mi)
South Branch Root River, Carimona, MN (44.5 mi)
Mississippi River, Lynxville, WI (46.4 mi)
Cascade Creek, Rochester, MN (61.7 mi)
Eau Claire River, Augusta, WI (62.1 mi)
Lake Pepin, Lake City, MN (62.1 mi)
Wisconsin River, Muscoda, WI (63.3 mi)

Weather for La Crescent, Minnesota

Current Weather

73.9°F
Partly cloudy
Partly cloudy
78°F
77.8°F
91%
WSW 3.6 mph
5.4 mph
73.8°F
70.6°F
0 in
50%
6 mi
1023 mbar
1.4

Five Day Weather Forecast

Sunny
Tue
H: 96°F
L: 68°F
Sunny
Wed
H: 89°F
L: 67°F
Sunny
Thu
H: 89°F
L: 69°F
Sunny
Fri
H: 88°F
L: 68°F
Sunny
Sat
H: 82°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 3.1 μg/m3
PM10: 3.4 μg/m3
Carbon Monoxide: 151 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:11 PM
Sunset: 8:46 PM
Daylight: 15 hrs 10 mins
Moonrise: 5:31 AM
Moon Transit: 1:35 PM
Moonset: 9:25 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
1:05 PM - 3:35 PM

Minor Periods

8:55 PM - 10:25 PM
5:01 AM - 6:31 AM

Action Rating: 4 out of 5

Heat Advisory issued July 13 at 9:13PM CDT until July 15 at 8:00PM CDT by NWS La Crosse WI

Effective: Mon July 13, 2026, 9:13 PM
Expires: Tue July 14, 2026, 1:15 PM

* WHAT...Heat index values up to 100 expected. * WHERE...Portions of northeast Iowa, southeast Minnesota, and southwest Wisconsin. * WHEN...From noon Tuesday to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 14 at 3:20AM CDT until July 15 at 8:00PM CDT by NWS La Crosse WI

Effective: Tue July 14, 2026, 3:20 AM
Expires: Tue July 14, 2026, 4:00 PM

* WHAT...Heat index values up to 102 expected. * WHERE...Portions of northeast Iowa, southeast Minnesota, and southwest Wisconsin. * WHEN...From noon today to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 13 at 9:13PM CDT until July 15 at 8:00PM CDT by NWS La Crosse WI

Effective: Mon July 13, 2026, 9:13 PM
Expires: Tue July 14, 2026, 1:15 PM

* WHAT...Heat index values up to 100 expected. * WHERE...Portions of southeast Minnesota and southwest Wisconsin. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 14 at 3:20AM CDT until July 15 at 8:00PM CDT by NWS La Crosse WI

Effective: Tue July 14, 2026, 3:20 AM
Expires: Tue July 14, 2026, 4:00 PM

* WHAT...Heat index values up to 102 expected. * WHERE...Portions of southeast Minnesota and southwest Wisconsin. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Tuesday, July 14, 2026

Weather Forecast

Sunny
96.3°F
68°F
79.8°F
76%
0 in
7%
0%
8.5 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 4.55 μg/m3
PM10: 5.2 μg/m3
Carbon Monoxide: 147 μg/m3
Nitrogen Dioxide: 4.36 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 90.42 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:11 PM
Sunset: 8:46 PM
Daylight: 15 hrs 10 mins
Moonrise: 5:31 AM
Moon Transit: 1:35 PM
Moonset: 9:25 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
1:05 PM - 3:35 PM

Minor Periods

8:55 PM - 10:25 PM
5:01 AM - 6:31 AM

Action Rating: 4 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
88.5°F
67.2°F
78.1°F
82%
0 in
10%
0%
6 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 5.16 μg/m3
PM10: 5.71 μg/m3
Carbon Monoxide: 160.38 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 88.83 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:11 PM
Sunset: 8:45 PM
Daylight: 15 hrs 9 mins
Moonrise: 6:55 AM
Moon Transit: 2:33 PM
Moonset: 9:56 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
2:03 PM - 4:33 PM

Minor Periods

9:26 PM - 10:56 PM
6:25 AM - 7:55 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
88.6°F
69.3°F
78.9°F
80%
0 in
13%
0%
3.6 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 5.79 μg/m3
PM10: 6.45 μg/m3
Carbon Monoxide: 143.04 μg/m3
Nitrogen Dioxide: 7.34 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:11 PM
Sunset: 8:45 PM
Daylight: 15 hrs 7 mins
Moonrise: 8:16 AM
Moon Transit: 3:26 PM
Moonset: 10:22 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
2:56 PM - 5:26 PM

Minor Periods

9:52 PM - 11:22 PM
7:46 AM - 9:16 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
88.2°F
68.4°F
78.2°F
83%
0.09 in
62%
0%
15.9 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 5.24 μg/m3
PM10: 5.74 μg/m3
Carbon Monoxide: 150.97 μg/m3
Nitrogen Dioxide: 4.98 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 92.33 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:11 PM
Sunset: 8:44 PM
Daylight: 15 hrs 5 mins
Moonrise: 9:33 AM
Moon Transit: 4:15 PM
Moonset: 10:43 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

3:10 AM - 5:40 AM
3:45 PM - 6:15 PM

Minor Periods

10:13 PM - 11:43 PM
9:03 AM - 10:33 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
82.3°F
60°F
73.1°F
79%
0.01 in
25%
0%
12.3 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.04 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 226.63 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 86.63 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:11 PM
Sunset: 8:43 PM
Daylight: 15 hrs 4 mins
Moonrise: 10:46 AM
Moon Transit: 5:00 PM
Moonset: 11:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

3:57 AM - 6:27 AM
4:30 PM - 7:00 PM

Minor Periods

12:00 AM - 12:00 AM
10:16 AM - 11:46 AM

Action Rating: 2 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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