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.
This Afternoon
75°F
Cloudy
Cloudy, with a high near 75. North wind around 9 mph, with gusts as high as 21 mph.
7-day forecast for White River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Cloudy | 9 mph N | 1% |
| Tonight | 57°F | Cloudy then Patchy Fog | 5 to 9 mph N | 6% |
| Saturday | 67°F | Patchy Fog then Slight Chance Rain Showers | 5 to 9 mph NE | 19% |
| Saturday Night | 54°F | Rain Showers Likely | 7 to 10 mph NE | 74% |
| Sunday | 61°F | Rain Showers | 8 to 12 mph E | 92% |
| Sunday Night | 52°F | Rain Showers | 9 to 13 mph E | 94% |
| Monday | 63°F | Rain Showers | 10 to 15 mph E | 84% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SE | 28% |
| Tuesday | 70°F | Partly Sunny | 10 to 23 mph SE | 12% |
| Tuesday Night | 55°F | Partly Cloudy then Slight Chance Rain Showers | 21 mph SE | 17% |
| Wednesday | 76°F | Slight Chance Rain Showers | 20 to 24 mph S | 24% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 12 to 20 mph S | 25% |
| Thursday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 10 mph S | 19% |
| Thursday Night | 56°F | Partly Cloudy | 12 mph SE | 10% |
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 Sep 18, 2026.