Smithwick, SD Weather & Growing Conditions
Tonight
57°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Cloudy. Low around 57, with temperatures rising to around 59 overnight. Northeast wind around 8 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Chance Showers And Thunderstorms | 8 mph NE | 48% |
| Saturday | 70°F | Chance Showers And Thunderstorms | 7 to 13 mph NE | 48% |
| Saturday Night | 54°F | Showers And Thunderstorms Likely | 9 to 14 mph NE | 74% |
| Sunday | 63°F | Showers And Thunderstorms | 8 to 13 mph NE | 97% |
| Sunday Night | 49°F | Showers And Thunderstorms | 9 to 13 mph NE | 97% |
| Monday | 66°F | Chance Rain Showers | 8 to 12 mph NE | 43% |
| Monday Night | 49°F | Partly Cloudy | 8 to 14 mph E | 13% |
| Tuesday | 75°F | Partly Sunny | 8 to 18 mph SE | 12% |
| Tuesday Night | 54°F | Chance Rain Showers | 10 to 18 mph SE | 28% |
| Wednesday | 80°F | Mostly Sunny | 10 to 15 mph S | 14% |
| Wednesday Night | 54°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph S | 19% |
| Thursday | 80°F | Mostly Sunny | 6 to 9 mph S | 5% |
| Thursday Night | 55°F | Partly Cloudy | 7 to 10 mph SE | 11% |
| Friday | 81°F | Mostly Sunny | 7 to 15 mph SE | 11% |
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 30
Growing season
137 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, Oelrichs, Sd (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.