Smithwick, SD Weather & Growing Conditions
Today
73°F
Areas Of Smoke
Areas of smoke. Mostly sunny, with a high near 73. East wind 3 to 8 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Areas Of Smoke | 3 to 8 mph E | 9% |
| Tonight | 54°F | Areas Of Smoke then Chance Showers And Thunderstorms | 3 to 9 mph S | 26% |
| Wednesday | 84°F | Chance Showers And Thunderstorms then Sunny | 3 to 9 mph S | 26% |
| Wednesday Night | 58°F | Mostly Clear | 5 to 12 mph S | 1% |
| Thursday | 94°F | Sunny | 5 to 10 mph SE | 2% |
| Thursday Night | 62°F | Clear | 5 to 13 mph SE | 2% |
| Friday | 97°F | Sunny | 5 to 12 mph SE | 1% |
| Friday Night | 64°F | Mostly Clear | 6 to 15 mph SE | 1% |
| Saturday | 100°F | Sunny | 5 to 16 mph NW | 1% |
| Saturday Night | 64°F | Mostly Clear | 8 to 17 mph NE | 1% |
| Sunday | 98°F | Sunny | 7 to 17 mph NE | 2% |
| Sunday Night | 65°F | Partly Cloudy | 10 to 20 mph NE | 14% |
| Monday | 95°F | Mostly Sunny | 10 to 18 mph NE | 9% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 13 to 21 mph NE | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithwick, SD
Last spring frost
May 15
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
5a
Explore more for Smithwick, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Oral, Sd (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.