Tolstoy, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tolstoy, a town in Potter County, South Dakota.
Today
75°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 10am. Mostly sunny, with a high near 75. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.
7-day forecast for Tolstoy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke then Mostly Sunny | 7 to 14 mph NW | 0% |
| Tonight | 54°F | Mostly Clear | 6 to 10 mph SW | 0% |
| Wednesday | 82°F | Mostly Sunny | 8 to 14 mph WSW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 9 to 16 mph SSW | 3% |
| Thursday | 89°F | Sunny | 14 mph SW | 3% |
| Thursday Night | 61°F | Mostly Clear | 12 mph SSW | 3% |
| Friday | 90°F | Sunny | 14 mph WNW | 2% |
| Friday Night | 61°F | Mostly Clear | 10 to 14 mph E | 1% |
| Saturday | 91°F | Mostly Sunny | 13 to 18 mph E | 3% |
| Saturday Night | 62°F | Mostly Clear | 13 to 16 mph ENE | 5% |
| Sunday | 88°F | Mostly Sunny | 13 to 18 mph ENE | 4% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 15 to 18 mph E | 32% |
| Monday | 86°F | Chance Showers And Thunderstorms then Partly Sunny | 16 to 20 mph ENE | 32% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 14 to 18 mph ENE | 26% |
Forecast source: National Weather Service (api.weather.gov) for Tolstoy (45.208, -99.614). Updated through the day.
Growing snapshot for Tolstoy
Last spring frost
May 7
First fall frost
Oct 2
Growing season
147 days
Hardiness zone
4b
More local growing data for Tolstoy: nearby ZIP 57475 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gettysburg, Sd (20.9 mi from Tolstoy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.