Twin Brooks, SD Weather & Growing Conditions
This Afternoon
47°F
Light Rain Likely
Rain likely. Cloudy. High near 47, with temperatures falling to around 44 in the afternoon. North northwest wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Light Rain Likely | 21 mph NNW | 62% |
| Tonight | 38°F | Light Rain | 15 to 18 mph NNW | 90% |
| Wednesday | 44°F | Light Rain | 20 mph NNW | 90% |
| Wednesday Night | 34°F | Chance Light Rain then Mostly Cloudy | 13 to 16 mph NNW | 40% |
| Thursday | 41°F | Patchy Fog then Partly Sunny | 9 to 15 mph N | 5% |
| Thursday Night | 30°F | Mostly Cloudy | 2 to 8 mph N | 0% |
| Friday | 44°F | Partly Sunny | 3 mph SSW | 0% |
| Friday Night | 31°F | Partly Cloudy | 6 mph SSW | 0% |
| Saturday | 55°F | Mostly Sunny | 6 to 12 mph WSW | 2% |
| Saturday Night | 36°F | Partly Cloudy | 10 mph W | 4% |
| Sunday | 56°F | Sunny | 8 mph WSW | 2% |
| Sunday Night | 39°F | Partly Cloudy | 6 to 10 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 10 to 15 mph WNW | 0% |
| Monday Night | 37°F | Mostly Clear | 8 mph WNW | 0% |
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 Nov 4, 2026.