Lantry, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lantry, a community in Dewey County, South Dakota.
Tonight
55°F
Rain Showers Likely
Rain showers likely before 5am, then rain showers likely and patchy fog. Cloudy, with a low around 55. East wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lantry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain Showers Likely | 13 mph E | 66% |
| Sunday | 59°F | Rain Showers | 15 mph E | 91% |
| Sunday Night | 48°F | Rain Showers | 10 mph ENE | 80% |
| Monday | 63°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 10 mph ESE | 21% |
| Monday Night | 44°F | Mostly Cloudy | 9 to 13 mph SE | 6% |
| Tuesday | 66°F | Partly Sunny | 14 to 22 mph SE | 3% |
| Tuesday Night | 49°F | Partly Cloudy | 21 mph SE | 6% |
| Wednesday | 73°F | Partly Sunny then Slight Chance Rain Showers | 23 mph SE | 23% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 8 to 20 mph SE | 54% |
| Thursday | 78°F | Mostly Sunny | 8 mph SE | 4% |
| Thursday Night | 53°F | Mostly Clear | 8 mph SE | 5% |
| Friday | 78°F | Partly Sunny | 9 to 18 mph SE | 7% |
| Friday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 16 to 20 mph SE | 22% |
| Saturday | 78°F | Slight Chance Rain Showers | 14 to 20 mph SSE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Lantry (45.018, -101.433). Updated through the day.
Growing snapshot for Lantry
Last spring frost
May 8
First fall frost
Oct 1
Growing season
144 days
Hardiness zone
4b
More local growing data for Lantry: nearby ZIP 57636 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dupree, Sd (8.1 mi from Lantry). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.