Flandreau, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Flandreau, a city in Moody County, South Dakota.
Overnight
38°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 38. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Flandreau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Chance Rain Showers | 15 mph NW | 54% |
| Wednesday | 43°F | Rain Showers | 15 to 20 mph NW | 80% |
| Wednesday Night | 35°F | Rain Showers Likely then Cloudy | 15 mph NNW | 62% |
| Thursday | 43°F | Mostly Cloudy | 10 to 15 mph N | 0% |
| Thursday Night | 29°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 43°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 28°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 54°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 36°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 36°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 56°F | Mostly Sunny | 0 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Flandreau (44.045, -96.602). Updated through the day.
Growing snapshot for Flandreau
Last spring frost
May 5
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
4b
More local growing data for Flandreau: nearby ZIP 57028 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Flandreau, Sd (0.8 mi from Flandreau). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.