Hill City, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hill City, a city in Pennington County, South Dakota.
Today
49°F
Sunny
Sunny. High near 49, with temperatures falling to around 39 in the afternoon. Northwest wind around 6 mph, with gusts as high as 22 mph.
7-day forecast for Hill City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Sunny | 6 mph NW | 0% |
| Tonight | 31°F | Mostly Clear | 3 mph NW | 0% |
| Wednesday | 51°F | Partly Sunny | 5 mph NW | 1% |
| Wednesday Night | 32°F | Mostly Cloudy | 3 mph NW | 1% |
| Thursday | 57°F | Sunny | 0 to 3 mph SE | 0% |
| Thursday Night | 35°F | Partly Cloudy | 0 to 3 mph W | 0% |
| Friday | 55°F | Mostly Sunny | 0 to 3 mph N | 2% |
| Friday Night | 34°F | Mostly Clear | 3 mph W | 4% |
| Saturday | 57°F | Sunny | 6 mph NW | 3% |
| Saturday Night | 36°F | Mostly Clear | 3 mph W | 2% |
| Sunday | 65°F | Sunny | 5 to 9 mph W | 0% |
| Sunday Night | 43°F | Mostly Clear | 3 to 9 mph W | 0% |
| Monday | 59°F | Sunny | 3 mph NW | 0% |
| Monday Night | 39°F | Partly Cloudy | 3 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Hill City (43.932, -103.569). Updated through the day.
Growing snapshot for Hill City
Last spring frost
May 15
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
5a
More local growing data for Hill City: nearby ZIP 57751 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Caputa
Colonial Pine Hills
Cottonwood
Green Valley
Johnson Siding
Keystone
New Underwood
Quinn
Rapid City
Wall
Climate data from the nearest NOAA station, Mt Rushmore Nmem, Sd (1.6 mi from Hill City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.