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.

Today

66°F

Cloudy

Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. North northeast wind 5 to 10 mph.

7-day forecast for Shamrock Colony

When	Temp	Forecast	Wind	Precip
Today	66°F	Cloudy	5 to 10 mph NNE	7%
Tonight	52°F	Mostly Cloudy	5 to 10 mph NNE	6%
Sunday	66°F	Mostly Cloudy	10 to 15 mph NE	10%
Sunday Night	49°F	Cloudy then Chance Rain Showers	10 mph ENE	33%
Monday	63°F	Chance Rain Showers	5 to 10 mph E	33%
Monday Night	45°F	Mostly Cloudy	5 to 10 mph ESE	7%
Tuesday	66°F	Mostly Sunny	5 to 15 mph SE	2%
Tuesday Night	47°F	Partly Cloudy	10 to 15 mph SE	3%
Wednesday	68°F	Mostly Sunny	15 to 20 mph SSE	12%
Wednesday Night	51°F	Chance Rain Showers	10 to 15 mph SSE	37%
Thursday	70°F	Chance Rain Showers then Partly Sunny	10 to 15 mph SSE	31%
Thursday Night	53°F	Mostly Cloudy then Slight Chance Rain Showers	10 mph SSE	16%
Friday	72°F	Slight Chance Rain Showers then Partly Sunny	10 to 15 mph SE	16%
Friday Night	55°F	Mostly Cloudy then Slight Chance Rain Showers	10 to 15 mph SSE	18%

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

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

All South Dakota locations ›

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 19, 2026.