Lower Brule, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lower Brule, a community in Lyman County, South Dakota.
This Afternoon
47°F
Mostly Cloudy
Mostly cloudy, with a high near 47. North northwest wind around 22 mph, with gusts as high as 41 mph.
7-day forecast for Lower Brule
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Mostly Cloudy | 22 mph NNW | 3% |
| Tonight | 37°F | Cloudy | 14 to 18 mph NW | 5% |
| Wednesday | 48°F | Slight Chance Light Rain | 15 to 20 mph NW | 22% |
| Wednesday Night | 36°F | Mostly Cloudy | 12 to 15 mph NW | 7% |
| Thursday | 50°F | Mostly Sunny | 8 to 12 mph NNW | 0% |
| Thursday Night | 31°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 49°F | Partly Sunny | 7 mph SSE | 0% |
| Friday Night | 33°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 59°F | Mostly Sunny | 5 to 12 mph WSW | 5% |
| Saturday Night | 37°F | Mostly Clear | 7 mph W | 2% |
| Sunday | 61°F | Sunny | 5 to 9 mph SSW | 0% |
| Sunday Night | 41°F | Mostly Clear | 9 mph SSW | 0% |
| Monday | 61°F | Sunny | 8 to 15 mph NW | 0% |
| Monday Night | 39°F | Partly Cloudy | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lower Brule (44.074, -99.584). Updated through the day.
Growing snapshot for Lower Brule
Last spring frost
May 6
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4b
More local growing data for Lower Brule: nearby ZIP 57548 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lake Sharpe Prj, Sd (9.6 mi from Lower Brule). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.