Shamrock Colony, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shamrock Colony, a community in Beadle County, South Dakota.
Tonight
53°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 10pm. Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph.
7-day forecast for Shamrock Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 5% |
| Sunday | 65°F | Mostly Cloudy | 10 to 15 mph ENE | 7% |
| Sunday Night | 50°F | Rain Showers Likely | 10 mph ENE | 57% |
| Monday | 61°F | Rain Showers Likely | 10 mph E | 57% |
| Monday Night | 44°F | Mostly Cloudy | 5 mph ESE | 4% |
| Tuesday | 64°F | Mostly Sunny | 5 to 10 mph SE | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 10 to 15 mph SE | 3% |
| Wednesday | 66°F | Mostly Sunny | 15 to 20 mph SE | 10% |
| Wednesday Night | 52°F | Showers And Thunderstorms Likely | 15 mph SSE | 58% |
| Thursday | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph SSE | 58% |
| Thursday Night | 54°F | Mostly Cloudy | 10 mph SE | 11% |
| Friday | 73°F | Partly Sunny | 10 to 15 mph SE | 11% |
| Friday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph SE | 25% |
| Saturday | 72°F | Chance Rain Showers | 15 to 20 mph SSE | 34% |
Forecast source: National Weather Service (api.weather.gov) for Shamrock Colony (44.621, -97.965). Updated through the day.
Growing snapshot for Shamrock Colony
Last spring frost
May 5
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4b
More local growing data for Shamrock Colony: nearby ZIP 57322 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Alpena
Broadland
Cavour
Hitchcock
Huron
Huron Colony
Morningside
Riverside Colony
Virgil
Wolsey
Yale
Climate data from the nearest NOAA station, Clark No2, Sd (20.2 mi from Shamrock Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.