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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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 19, 2026.