St. Leo, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Leo, a city in Yellow Medicine County, Minnesota.
This Afternoon
62°F
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 62. East wind around 15 mph. Chance of precipitation is 70%.
7-day forecast for St. Leo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Rain Showers Likely | 15 mph E | 67% |
| Tonight | 57°F | Rain Showers Likely | 5 to 10 mph ENE | 55% |
| Saturday | 65°F | Chance Rain Showers then Chance Drizzle | 5 to 10 mph NNE | 34% |
| Saturday Night | 53°F | Mostly Cloudy | 5 to 10 mph NNE | 6% |
| Sunday | 67°F | Partly Sunny | 5 to 10 mph NE | 8% |
| Sunday Night | 51°F | Cloudy then Chance Rain Showers | 5 to 10 mph ENE | 32% |
| Monday | 63°F | Chance Rain Showers | 5 to 10 mph E | 34% |
| Monday Night | 46°F | Mostly Cloudy | 0 to 5 mph E | 9% |
| Tuesday | 65°F | Mostly Sunny | 5 to 10 mph ESE | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 68°F | Mostly Sunny | 5 to 10 mph SSE | 6% |
| Wednesday Night | 51°F | Mostly Cloudy then Chance Rain Showers | 5 mph SSE | 25% |
| Thursday | 71°F | Chance Rain Showers | 5 to 10 mph SSE | 25% |
| Thursday Night | 54°F | Partly Cloudy | 5 mph SSE | 7% |
Forecast source: National Weather Service (api.weather.gov) for St. Leo (44.717, -96.053). Updated through the day.
Growing snapshot for St. Leo
Last spring frost
May 2
First fall frost
Oct 5
Growing season
156 days
Hardiness zone
5a
More local growing data for St. Leo: nearby ZIP 56291 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Canby, Mn (12.2 mi from St. Leo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.