Lower Brule, SD Weather & Growing Conditions
Today
66°F
Mostly Cloudy
Mostly cloudy, with a high near 66. Northeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Mostly Cloudy | 10 mph NE | 4% |
| Tonight | 59°F | Slight Chance Rain Showers then Cloudy | 13 mph NE | 19% |
| Sunday | 62°F | Rain Showers | 14 mph ENE | 83% |
| Sunday Night | 51°F | Rain Showers | 13 mph ENE | 90% |
| Monday | 60°F | Chance Rain Showers | 12 mph E | 46% |
| Monday Night | 45°F | Mostly Cloudy | 9 mph ESE | 14% |
| Tuesday | 64°F | Mostly Sunny | 9 to 15 mph SE | 4% |
| Tuesday Night | 50°F | Mostly Cloudy | 14 to 18 mph SE | 10% |
| Wednesday | 67°F | Partly Sunny then Slight Chance Rain Showers | 21 mph SE | 16% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 20 mph SE | 50% |
| Thursday | 74°F | Chance Showers And Thunderstorms then Partly Sunny | 8 to 16 mph SE | 44% |
| Thursday Night | 55°F | Partly Cloudy | 8 mph ESE | 11% |
| Friday | 74°F | Partly Sunny | 8 to 15 mph SE | 10% |
| Friday Night | 58°F | Chance Rain Showers | 16 mph SE | 32% |
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 Sep 19, 2026.