La Salle, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Salle, a city in Watonwan County, Minnesota.
Overnight
44°F
Light Rain Likely
Rain likely and patchy fog. Cloudy, with a low around 44. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for La Salle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Light Rain Likely | 15 mph NW | 72% |
| Wednesday | 47°F | Drizzle | 15 to 20 mph WNW | 87% |
| Wednesday Night | 39°F | Drizzle | 15 mph NW | 91% |
| Thursday | 47°F | Mostly Cloudy | 10 to 15 mph NNW | 11% |
| Thursday Night | 31°F | Mostly Cloudy | 5 to 10 mph N | 0% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 27°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 mph WSW | 1% |
| Sunday Night | 36°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 56°F | Sunny | 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for La Salle (44.071, -94.571). Updated through the day.
Growing snapshot for La Salle
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
160 days
Hardiness zone
5a
More local growing data for La Salle: nearby ZIP 56056 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, St James Wwtp, Mn (5.9 mi from La Salle). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.