Angostura, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Angostura, a community in Fall River County, South Dakota.
Tonight
57°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 3am, then a chance of showers and thunderstorms. Cloudy. Low around 57, with temperatures rising to around 59 overnight. Northeast wind around 7 mph. Chance of precipitation is 60%.
7-day forecast for Angostura
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Showers And Thunderstorms Likely | 7 mph NE | 58% |
| Saturday | 70°F | Chance Showers And Thunderstorms | 7 to 14 mph NE | 47% |
| Saturday Night | 54°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 74% |
| Sunday | 63°F | Showers And Thunderstorms | 8 to 13 mph NE | 98% |
| Sunday Night | 50°F | Showers And Thunderstorms | 7 to 15 mph NE | 88% |
| Monday | 66°F | Chance Rain Showers then Partly Sunny | 7 to 13 mph NE | 28% |
| Monday Night | 50°F | Partly Cloudy | 5 to 14 mph E | 11% |
| Tuesday | 75°F | Partly Sunny | 6 to 16 mph SE | 9% |
| Tuesday Night | 54°F | Chance Rain Showers then Partly Cloudy | 5 to 16 mph SE | 29% |
| Wednesday | 80°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Wednesday Night | 54°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph SW | 21% |
| Thursday | 80°F | Mostly Sunny | 3 to 10 mph S | 4% |
| Thursday Night | 55°F | Partly Cloudy | 3 to 10 mph SE | 12% |
| Friday | 82°F | Mostly Sunny | 3 to 14 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Angostura (43.319, -103.391). Updated through the day.
Growing snapshot for Angostura
Last spring frost
May 16
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
5a
More local growing data for Angostura: nearby ZIP 57747 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hot Springs, Sd (5 mi from Angostura). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.