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Edgemont, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Edgemont, a city in Fall River County, South Dakota.

Tonight
57°F
Showers And Thunderstorms
Showers and thunderstorms before 3am. Cloudy. Low around 57, with temperatures rising to around 59 overnight. East wind around 8 mph. Chance of precipitation is 80%.

7-day forecast for Edgemont

WhenTempForecastWindPrecip
Tonight 57°F Showers And Thunderstorms 8 mph E 77%
Saturday 71°F Showers And Thunderstorms Likely 7 to 15 mph E 58%
Saturday Night 53°F Showers And Thunderstorms Likely 12 to 16 mph E 74%
Sunday 64°F Showers And Thunderstorms 12 mph E 96%
Sunday Night 49°F Showers And Thunderstorms 6 to 13 mph E 82%
Monday 66°F Slight Chance Rain Showers then Partly Sunny 6 to 16 mph E 17%
Monday Night 49°F Partly Cloudy 12 to 17 mph E 5%
Tuesday 75°F Partly Sunny then Slight Chance Rain Showers 12 to 17 mph SE 15%
Tuesday Night 54°F Chance Rain Showers then Partly Cloudy 7 to 18 mph E 25%
Wednesday 79°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 to 10 mph SE 17%
Wednesday Night 53°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 9 mph NE 16%
Thursday 80°F Mostly Sunny 5 to 13 mph SE 5%
Thursday Night 54°F Partly Cloudy 5 to 14 mph E 13%
Friday 81°F Mostly Sunny 5 to 15 mph SE 10%

Forecast source: National Weather Service (api.weather.gov) for Edgemont (43.297, -103.832). Updated through the day.

Growing snapshot for Edgemont

Last spring frost
May 23
First fall frost
Sep 20
Growing season
117 days
Hardiness zone
4b

More local growing data for Edgemont: nearby ZIP 57735 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Edgemont, Sd (2.4 mi from Edgemont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.