White River, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for White River, a city in Mellette County, South Dakota.
Today
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 47 in the afternoon. Northwest wind 14 to 21 mph, with gusts as high as 33 mph.
7-day forecast for White River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Mostly Cloudy | 14 to 21 mph NW | 1% |
| Tonight | 34°F | Mostly Cloudy | 9 to 14 mph NW | 1% |
| Thursday | 50°F | Mostly Sunny | 7 to 12 mph NW | 0% |
| Thursday Night | 28°F | Mostly Clear | 7 mph SE | 0% |
| Friday | 54°F | Mostly Sunny | 8 mph W | 0% |
| Friday Night | 34°F | Partly Cloudy | 8 mph S | 0% |
| Saturday | 62°F | Sunny | 8 to 16 mph W | 0% |
| Saturday Night | 36°F | Mostly Clear | 9 mph W | 0% |
| Sunday | 67°F | Sunny | 8 to 13 mph SW | 0% |
| Sunday Night | 43°F | Mostly Clear | 12 to 16 mph SW | 0% |
| Monday | 63°F | Sunny | 7 to 15 mph NW | 0% |
| Monday Night | 38°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 63°F | Mostly Sunny | 6 to 13 mph S | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 8 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for White River (43.567, -100.745). Updated through the day.
Growing snapshot for White River
Last spring frost
May 6
First fall frost
Oct 4
Growing season
151 days
Hardiness zone
5a
More local growing data for White River: nearby ZIP 57579 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cedar Butte, Sd (11.5 mi from White River). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.