Tyndall, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tyndall, a city in Bon Homme County, South Dakota.
Tonight
38°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers before midnight. Cloudy, with a low around 38. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Tyndall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Slight Chance Rain Showers then Cloudy | 15 mph NW | 17% |
| Wednesday | 46°F | Chance Rain Showers | 15 mph NW | 44% |
| Wednesday Night | 37°F | Slight Chance Rain Showers | 10 to 15 mph NW | 20% |
| Thursday | 46°F | Mostly Cloudy | 10 to 15 mph NNW | 0% |
| Thursday Night | 30°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph SSE | 0% |
| Saturday | 56°F | Sunny | 5 mph SW | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 3% |
| Sunday | 60°F | Sunny | 5 to 10 mph SW | 1% |
| Sunday Night | 40°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 62°F | Sunny | 5 to 15 mph WNW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 59°F | Mostly Sunny | 5 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Tyndall (42.990, -97.864). Updated through the day.
Growing snapshot for Tyndall
Last spring frost
May 1
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
5a
More local growing data for Tyndall: nearby ZIP 57066 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tyndall, Sd (0.3 mi from Tyndall). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.