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.
Overnight
53°F
Patchy Fog
Patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 53. West wind around 2 mph. Chance of precipitation is 20%.
7-day forecast for Hill City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Patchy Fog | 2 mph W | 18% |
| Saturday | 63°F | Patchy Fog then Showers And Thunderstorms Likely | 1 to 6 mph SE | 73% |
| Saturday Night | 48°F | Showers And Thunderstorms | 1 to 5 mph E | 86% |
| Sunday | 55°F | Showers And Thunderstorms | 1 to 6 mph E | 90% |
| Sunday Night | 44°F | Showers And Thunderstorms | 0 to 3 mph NE | 95% |
| Monday | 57°F | Rain Showers Likely | 0 to 5 mph E | 59% |
| Monday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 mph S | 32% |
| Tuesday | 68°F | Mostly Sunny | 3 to 8 mph S | 7% |
| Tuesday Night | 51°F | Mostly Clear | 2 to 7 mph S | 14% |
| Wednesday | 73°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph S | 34% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 28% |
| Thursday | 75°F | Sunny | 0 to 5 mph S | 13% |
| Thursday Night | 52°F | Mostly Clear | 3 mph S | 6% |
| Friday | 76°F | Mostly Sunny | 2 to 8 mph S | 8% |
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 Sep 19, 2026.