Box Elder, SD Weather & Growing Conditions
Today
67°F
Areas Of Fog
Areas of fog and a chance of showers and thunderstorms. Cloudy, with a high near 67. East wind 6 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Areas Of Fog | 6 to 12 mph E | 39% |
| Tonight | 50°F | Showers And Thunderstorms Likely | 12 mph E | 70% |
| Sunday | 60°F | Rain Showers | 10 to 14 mph E | 80% |
| Sunday Night | 47°F | Showers And Thunderstorms | 7 to 13 mph E | 97% |
| Monday | 64°F | Chance Rain Showers then Mostly Cloudy | 7 to 15 mph E | 29% |
| Monday Night | 47°F | Mostly Cloudy | 15 mph SE | 9% |
| Tuesday | 73°F | Mostly Sunny | 16 to 23 mph SE | 4% |
| Tuesday Night | 52°F | Partly Cloudy | 17 to 21 mph SE | 9% |
| Wednesday | 78°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 14 to 17 mph SE | 17% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 13 mph S | 29% |
| Thursday | 80°F | Mostly Sunny | 3 to 10 mph S | 9% |
| Thursday Night | 54°F | Mostly Clear | 10 mph SE | 6% |
| Friday | 81°F | Mostly Sunny | 10 to 20 mph SE | 4% |
| Friday Night | 55°F | Partly Cloudy then Slight Chance Rain Showers | 21 mph S | 19% |
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 Sep 19, 2026.