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Interior, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Interior, a town in Jackson County, South Dakota.

This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 44 in the afternoon. Northwest wind 8 to 18 mph, with gusts as high as 32 mph.

7-day forecast for Interior

WhenTempForecastWindPrecip
This Afternoon 50°F Sunny 8 to 18 mph NW 0%
Tonight 30°F Mostly Clear 7 mph NW 0%
Wednesday 53°F Partly Sunny 7 to 15 mph NW 0%
Wednesday Night 33°F Mostly Cloudy 7 to 10 mph NW 0%
Thursday 55°F Mostly Sunny 3 to 7 mph N 0%
Thursday Night 30°F Mostly Clear 5 mph SE 0%
Friday 55°F Mostly Sunny 3 to 8 mph NW 0%
Friday Night 33°F Partly Cloudy 3 to 10 mph W 5%
Saturday 62°F Sunny 7 to 16 mph W 5%
Saturday Night 34°F Mostly Clear 8 mph W 2%
Sunday 68°F Sunny 8 to 14 mph SW 0%
Sunday Night 41°F Mostly Clear 13 mph W 0%
Monday 63°F Sunny 6 to 14 mph NW 0%
Monday Night 37°F Partly Cloudy 7 mph SE 0%

Forecast source: National Weather Service (api.weather.gov) for Interior (43.727, -101.983). Updated through the day.

Growing snapshot for Interior

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

More local growing data for Interior: nearby ZIP 57750 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Interior 3 Ne, Sd (10.7 mi from Interior). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.