Alpena, SD Weather & Growing Conditions
Tonight
59°F
Cloudy
Cloudy, with a low around 59. North wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Cloudy | 5 to 10 mph N | 13% |
| Saturday | 67°F | Patchy Fog then Cloudy | 10 mph NNE | 11% |
| Saturday Night | 54°F | Cloudy | 5 to 10 mph NNE | 9% |
| Sunday | 64°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 46% |
| Sunday Night | 52°F | Rain Showers Likely | 5 to 10 mph ENE | 71% |
| Monday | 62°F | Rain Showers Likely | 5 to 10 mph E | 71% |
| Monday Night | 48°F | Mostly Cloudy | 5 to 10 mph ESE | 7% |
| Tuesday | 66°F | Partly Sunny | 5 to 15 mph SE | 5% |
| Tuesday Night | 50°F | Mostly Cloudy | 10 to 15 mph SE | 9% |
| Wednesday | 69°F | Slight Chance Rain Showers | 15 mph SSE | 22% |
| Wednesday Night | 54°F | Chance Rain Showers | 10 to 15 mph SSE | 37% |
| Thursday | 70°F | Chance Rain Showers then Partly Sunny | 10 mph SSE | 37% |
| Thursday Night | 54°F | Mostly Cloudy | 10 mph SE | 8% |
| Friday | 72°F | Partly Sunny | 10 to 15 mph SE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alpena, SD
Last spring frost
May 2
First fall frost
Oct 8
Growing season
157 days
Hardiness zone
4b
Explore more for Alpena, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Wessington Springs, Sd (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.