White Rock Colony, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for White Rock Colony, a community in Roberts County, South Dakota.
Today
43°F
Light Rain
Rain and patchy fog. Cloudy, with a high near 43. North northwest wind 21 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for White Rock Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 43°F | Light Rain | 21 to 25 mph NNW | 90% |
| Tonight | 31°F | Patchy Fog then Mostly Cloudy | 16 to 20 mph NNW | 15% |
| Thursday | 40°F | Mostly Cloudy | 9 to 17 mph NNW | 0% |
| Thursday Night | 23°F | Partly Cloudy | 0 to 7 mph NE | 0% |
| Friday | 40°F | Mostly Sunny | 0 to 5 mph SSE | 0% |
| Friday Night | 26°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 52°F | Sunny | 5 to 9 mph SW | 2% |
| Saturday Night | 32°F | Mostly Clear | 8 mph W | 0% |
| Sunday | 53°F | Sunny | 6 mph SW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 6 mph SSW | 0% |
| Monday | 58°F | Mostly Sunny | 5 to 13 mph W | 0% |
| Monday Night | 33°F | Mostly Clear | 3 to 7 mph WNW | 0% |
| Tuesday | 52°F | Mostly Sunny | 6 mph W | 1% |
| Tuesday Night | 34°F | Partly Cloudy | 3 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for White Rock Colony (45.911, -96.636). Updated through the day.
Growing snapshot for White Rock Colony
Last spring frost
May 3
First fall frost
Oct 3
Growing season
154 days
Hardiness zone
4b
More local growing data for White Rock Colony: nearby ZIP 57260 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Agency Village
Claire City
Corona
Long Hollow
New Effington
Peever
Peever Flats
Rosholt
Sisseton
Wilmot
Climate data from the nearest NOAA station, White Rock Dam, Mn (7.6 mi from White Rock Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.