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. Northeast wind around 7 mph. Chance of precipitation is 40%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 56°F Cloudy then Slight Chance Showers And Thunderstorms 7 mph NE 38%
Saturday 71°F Chance Showers And Thunderstorms 5 to 14 mph NE 47%
Saturday Night 53°F Showers And Thunderstorms Likely 7 to 14 mph NE 74%
Sunday 66°F Showers And Thunderstorms 7 to 13 mph E 98%
Sunday Night 49°F Showers And Thunderstorms 8 to 13 mph NE 98%
Monday 67°F Chance Rain Showers 7 to 12 mph NE 45%
Monday Night 48°F Slight Chance Rain Showers then Partly Cloudy 8 to 13 mph E 24%
Tuesday 75°F Mostly Sunny 9 to 22 mph S 11%
Tuesday Night 54°F Slight Chance Rain Showers 16 to 22 mph S 19%
Wednesday 81°F Mostly Sunny then Slight Chance Rain Showers 14 to 17 mph S 15%
Wednesday Night 54°F Slight Chance Showers And Thunderstorms 7 to 12 mph S 17%
Thursday 81°F Mostly Sunny 5 to 9 mph S 6%
Thursday Night 54°F Partly Cloudy 9 mph SE 9%
Friday 83°F Mostly Sunny 9 to 18 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 (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.