Edgemont, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Edgemont, a city in Fall River County, South Dakota.
This Afternoon
76°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy. High near 76, with temperatures falling to around 74 in the afternoon. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Edgemont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Slight Chance Showers And Thunderstorms | 15 mph E | 23% |
| Tonight | 52°F | Showers And Thunderstorms | 16 mph NE | 84% |
| Sunday | 64°F | Showers And Thunderstorms | 9 to 13 mph NE | 82% |
| Sunday Night | 48°F | Showers And Thunderstorms | 5 to 10 mph NE | 88% |
| Monday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 13 mph E | 16% |
| Monday Night | 47°F | Mostly Cloudy | 13 to 16 mph E | 5% |
| Tuesday | 75°F | Mostly Sunny | 13 to 18 mph SE | 3% |
| Tuesday Night | 52°F | Mostly Clear | 9 to 20 mph SE | 10% |
| Wednesday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 8 to 12 mph SE | 17% |
| Wednesday Night | 52°F | Partly Cloudy | 6 to 12 mph SW | 10% |
| Thursday | 83°F | Sunny | 6 to 10 mph SW | 2% |
| Thursday Night | 54°F | Mostly Clear | 5 to 10 mph E | 4% |
| Friday | 83°F | Mostly Sunny | 5 to 18 mph SE | 9% |
| Friday Night | 55°F | Slight Chance Rain Showers | 7 to 18 mph SE | 15% |
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
Nearby towns & communities
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 20, 2026.