Harman US

Big Stone City, SD Weather & Growing Conditions

Tonight
39°F
Light Rain
Rain and patchy fog. Cloudy. Low around 39, with temperatures rising to around 42 overnight. North northwest wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 39°F Light Rain 16 to 22 mph NNW 89%
Wednesday 44°F Light Rain 21 mph NNW 92%
Wednesday Night 34°F Chance Light Rain then Mostly Cloudy 15 to 20 mph NNW 46%
Thursday 42°F Mostly Cloudy 12 to 17 mph NNW 6%
Thursday Night 30°F Mostly Cloudy 2 to 10 mph N 0%
Friday 44°F Partly Sunny 3 mph SE 0%
Friday Night 30°F Partly Cloudy 5 mph S 0%
Saturday 55°F Mostly Sunny 3 to 9 mph WSW 4%
Saturday Night 36°F Partly Cloudy 8 mph WNW 5%
Sunday 56°F Mostly Sunny 8 mph WSW 2%
Sunday Night 38°F Partly Cloudy 6 mph SSW 0%
Monday 58°F Mostly Sunny 7 to 13 mph W 0%
Monday Night 37°F Mostly Clear 5 to 8 mph WNW 0%
Tuesday 54°F Mostly Sunny 7 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Big Stone City, SD

Last spring frost
May 2
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
4b

Explore more for Big Stone City, SD: full frost dates · planting calendar · South Dakota frost dates

Climate data from the nearest NOAA station, Milbank 4 Nw, Sd (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.