Twin Brooks, SD Weather & Growing Conditions
This Afternoon
64°F
Patchy Fog
Patchy fog before 5pm. Cloudy. High near 64, with temperatures falling to around 59 in the afternoon. North northeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Patchy Fog | 10 mph NNE | 8% |
| Tonight | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 8 mph N | 16% |
| Sunday | 61°F | Chance Rain Showers | 6 to 10 mph NE | 29% |
| Sunday Night | 49°F | Chance Rain Showers | 3 to 8 mph ENE | 27% |
| Monday | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 7 mph E | 24% |
| Monday Night | 43°F | Partly Cloudy | 1 to 5 mph SE | 2% |
| Tuesday | 64°F | Mostly Sunny | 1 to 12 mph SE | 2% |
| Tuesday Night | 44°F | Mostly Clear | 8 mph SE | 0% |
| Wednesday | 67°F | Mostly Sunny | 6 to 14 mph SSE | 4% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 10 mph SE | 50% |
| Thursday | 70°F | Chance Showers And Thunderstorms | 12 mph SSE | 50% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph SSE | 19% |
| Friday | 74°F | Partly Sunny | 5 to 10 mph SE | 10% |
| Friday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph SSE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Twin Brooks, SD
Last spring frost
May 2
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
4b
Explore more for Twin Brooks, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Milbank 4 Nw, Sd (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.