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.
This Afternoon
61°F
Areas Of Drizzle
Areas of drizzle and patchy fog. Cloudy, with a high near 61. East southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for White Rock Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Areas Of Drizzle | 7 to 10 mph ESE | 45% |
| Tonight | 53°F | Areas Of Drizzle | 6 to 12 mph E | 46% |
| Saturday | 68°F | Patchy Fog | 7 to 10 mph NE | 5% |
| Saturday Night | 51°F | Mostly Cloudy | 5 to 8 mph NNE | 1% |
| Sunday | 68°F | Mostly Cloudy | 7 to 12 mph ENE | 1% |
| Sunday Night | 47°F | Mostly Cloudy | 8 mph E | 9% |
| Monday | 65°F | Mostly Cloudy | 7 mph E | 9% |
| Monday Night | 43°F | Partly Cloudy | 6 mph ESE | 2% |
| Tuesday | 67°F | Mostly Sunny | 5 to 13 mph SE | 2% |
| Tuesday Night | 45°F | Partly Cloudy | 10 mph SSE | 4% |
| Wednesday | 69°F | Mostly Sunny | 10 to 16 mph SSE | 11% |
| Wednesday Night | 50°F | Chance Rain Showers | 8 to 12 mph SSE | 26% |
| Thursday | 71°F | Chance Rain Showers then Partly Sunny | 10 mph SSE | 26% |
| Thursday Night | 51°F | Partly Cloudy | 7 mph SSE | 10% |
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 Sep 19, 2026.