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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

WhenTempForecastWindPrecip
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

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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.