Lower Brule, SD Weather & Growing Conditions
Tonight
37°F
Cloudy
Cloudy, with a low around 37. Northwest wind 16 to 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Cloudy | 16 to 23 mph NW | 6% |
| Wednesday | 47°F | Slight Chance Light Rain | 15 to 20 mph NW | 20% |
| Wednesday Night | 34°F | Mostly Cloudy | 15 mph NW | 7% |
| Thursday | 49°F | Mostly Sunny | 6 to 13 mph N | 0% |
| Thursday Night | 29°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 48°F | Partly Sunny | 6 mph SSE | 0% |
| Friday Night | 31°F | Partly Cloudy | 3 mph S | 0% |
| Saturday | 59°F | Mostly Sunny | 3 to 9 mph W | 4% |
| Saturday Night | 35°F | Mostly Clear | 3 to 7 mph W | 2% |
| Sunday | 60°F | Sunny | 3 to 8 mph SSW | 0% |
| Sunday Night | 39°F | Mostly Clear | 9 mph SSW | 0% |
| Monday | 60°F | Sunny | 7 to 14 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 6 mph WNW | 0% |
| Tuesday | 58°F | Mostly Sunny | 7 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lower Brule, SD
Last spring frost
May 6
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4b
Explore more for Lower Brule, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Lake Sharpe Prj, Sd (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.