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.
This Afternoon
75°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny. High near 75, with temperatures falling to around 71 in the afternoon. East wind around 3 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
7-day forecast for Hill City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Showers And Thunderstorms | 3 mph E | 22% |
| Tonight | 54°F | Chance Showers And Thunderstorms | 2 mph NW | 74% |
| Saturday | 63°F | Patchy Fog | 0 to 3 mph E | 73% |
| Saturday Night | 51°F | Showers And Thunderstorms Likely | 0 to 3 mph NW | 74% |
| Sunday | 55°F | Showers And Thunderstorms | 0 to 3 mph N | 100% |
| Sunday Night | 48°F | Showers And Thunderstorms | 2 mph NE | 96% |
| Monday | 58°F | Rain Showers Likely | 0 to 5 mph E | 70% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 1 to 5 mph S | 29% |
| Tuesday | 69°F | Mostly Sunny then Slight Chance Rain Showers | 2 to 7 mph S | 15% |
| Tuesday Night | 53°F | Chance Rain Showers then Partly Cloudy | 1 to 6 mph S | 28% |
| Wednesday | 73°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph S | 35% |
| Wednesday Night | 52°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 mph SW | 21% |
| Thursday | 75°F | Sunny | 1 to 5 mph NE | 8% |
| Thursday Night | 53°F | Partly Cloudy | 3 mph S | 7% |
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.