Hamill, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamill, a community in Tripp County, South Dakota.
Today
73°F
Areas Of Smoke
Areas of smoke and a slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 73. Northwest wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
7-day forecast for Hamill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Areas Of Smoke | 8 to 12 mph NW | 19% |
| Tonight | 54°F | Partly Cloudy | 7 mph SW | 4% |
| Wednesday | 82°F | Sunny | 6 to 13 mph SW | 2% |
| Wednesday Night | 61°F | Mostly Clear | 13 to 17 mph S | 2% |
| Thursday | 90°F | Sunny | 14 to 17 mph S | 5% |
| Thursday Night | 66°F | Mostly Clear | 16 mph S | 5% |
| Friday | 94°F | Sunny | 13 mph S | 4% |
| Friday Night | 66°F | Mostly Clear | 13 mph SE | 4% |
| Saturday | 97°F | Sunny | 12 to 23 mph S | 4% |
| Saturday Night | 66°F | Mostly Clear | 9 to 23 mph SE | 7% |
| Sunday | 93°F | Mostly Sunny | 9 to 21 mph E | 3% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 13 to 21 mph E | 27% |
| Monday | 91°F | Chance Showers And Thunderstorms then Partly Sunny | 13 to 20 mph E | 26% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 13 to 20 mph E | 19% |
Forecast source: National Weather Service (api.weather.gov) for Hamill (43.594, -99.693). Updated through the day.
Growing snapshot for Hamill
Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a
More local growing data for Hamill: nearby ZIP 57534 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winner Wiley Fld, Sd (15.2 mi from Hamill). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.