Harman US

Oglala, SD Weather & Growing Conditions

Tonight
56°F
Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Cloudy. Low around 56, with temperatures rising to around 58 overnight. East wind around 6 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 56°F Cloudy then Slight Chance Showers And Thunderstorms 6 mph E 31%
Saturday 70°F Chance Showers And Thunderstorms 5 to 10 mph E 47%
Saturday Night 53°F Showers And Thunderstorms Likely 6 to 12 mph E 74%
Sunday 64°F Showers And Thunderstorms 6 to 10 mph E 98%
Sunday Night 49°F Showers And Thunderstorms 6 to 10 mph NE 98%
Monday 66°F Chance Rain Showers 6 to 10 mph NE 48%
Monday Night 49°F Chance Rain Showers then Partly Cloudy 12 mph E 37%
Tuesday 72°F Mostly Sunny 12 to 21 mph S 12%
Tuesday Night 54°F Slight Chance Rain Showers 16 to 21 mph S 15%
Wednesday 79°F Mostly Sunny then Slight Chance Rain Showers 14 to 20 mph S 15%
Wednesday Night 54°F Slight Chance Rain Showers 7 to 12 mph S 16%
Thursday 79°F Mostly Sunny 7 mph S 6%
Thursday Night 55°F Partly Cloudy 7 to 10 mph SE 8%
Friday 80°F Mostly Sunny 10 to 16 mph S 9%

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

Growing snapshot for Oglala, SD

Last spring frost
May 7
First fall frost
Oct 4
Growing season
149 days
Hardiness zone
5a

Explore more for Oglala, SD: full frost dates · planting calendar · South Dakota frost dates

Climate data from the nearest NOAA station, Oglala 1S, Sd (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.