Box Elder, SD Weather & Growing Conditions
Today
75°F
Areas Of Smoke then Mostly Sunny
Areas of smoke before noon. Mostly sunny, with a high near 75. West wind 3 to 7 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Areas Of Smoke then Mostly Sunny | 3 to 7 mph W | 2% |
| Tonight | 55°F | Partly Cloudy | 5 to 10 mph S | 13% |
| Wednesday | 85°F | Sunny | 3 to 8 mph S | 2% |
| Wednesday Night | 58°F | Mostly Clear | 8 mph S | 2% |
| Thursday | 94°F | Sunny | 5 to 10 mph NW | 1% |
| Thursday Night | 62°F | Mostly Clear | 6 to 10 mph S | 1% |
| Friday | 97°F | Sunny | 6 to 14 mph NE | 1% |
| Friday Night | 65°F | Mostly Clear | 8 to 15 mph S | 0% |
| Saturday | 99°F | Sunny | 10 to 16 mph N | 0% |
| Saturday Night | 65°F | Mostly Clear | 7 to 16 mph N | 3% |
| Sunday | 97°F | Mostly Sunny | 8 to 21 mph SE | 9% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms | 8 to 21 mph NE | 21% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 8 to 20 mph NE | 16% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 9 to 20 mph E | 38% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Box Elder, SD
Last spring frost
May 8
First fall frost
Oct 3
Growing season
147 days
Hardiness zone
5a
Explore more for Box Elder, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Hereford 12 Sw, Sd (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.