Alcester, SD Weather & Growing Conditions
Today
62°F
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 62. Northeast wind 10 to 15 mph, with gusts as high as 25 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 |
|---|---|---|---|---|
| Today | 62°F | Rain Showers Likely | 10 to 15 mph NE | 62% |
| Tonight | 53°F | Rain Showers | 10 mph NE | 97% |
| Monday | 58°F | Rain Showers | 10 mph ENE | 90% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 10 mph ENE | 10% |
| Tuesday | 63°F | Partly Sunny | 5 to 10 mph E | 8% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph ESE | 0% |
| Wednesday | 65°F | Mostly Sunny | 5 to 15 mph SE | 3% |
| Wednesday Night | 50°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph SE | 46% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph SSE | 46% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 10 mph SSE | 9% |
| Friday | 70°F | Partly Sunny | 5 to 10 mph SE | 11% |
| Friday Night | 55°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph SE | 26% |
| Saturday | 70°F | Chance Rain Showers | 10 to 15 mph SE | 26% |
| Saturday Night | 56°F | Chance Rain Showers | 10 to 15 mph SE | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alcester, SD
Last spring frost
May 1
First fall frost
Oct 4
Growing season
155 days
Hardiness zone
5a
Explore more for Alcester, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Hawarden, Ia (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.