Smithwick, SD Weather & Growing Conditions
Tonight
56°F
Chance Showers And Thunderstorms
A slight chance of rain showers between 11pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 56, with temperatures rising to around 59 overnight. Northeast wind 5 to 8 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 51% |
| Saturday | 70°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 51% |
| Saturday Night | 53°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 74% |
| Sunday | 63°F | Showers And Thunderstorms | 8 to 12 mph E | 98% |
| Sunday Night | 49°F | Showers And Thunderstorms | 8 to 14 mph NE | 98% |
| Monday | 66°F | Chance Rain Showers | 7 to 10 mph NE | 48% |
| Monday Night | 49°F | Partly Cloudy | 6 to 13 mph E | 13% |
| Tuesday | 75°F | Partly Sunny | 6 to 17 mph SE | 12% |
| Tuesday Night | 53°F | Chance Rain Showers | 8 to 17 mph SE | 30% |
| Wednesday | 80°F | Mostly Sunny | 8 to 13 mph S | 13% |
| Wednesday Night | 54°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Thursday | 81°F | Mostly Sunny | 5 to 9 mph SE | 5% |
| Thursday Night | 54°F | Partly Cloudy | 3 to 9 mph SE | 11% |
| Friday | 82°F | Mostly Sunny | 5 to 14 mph S | 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 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 Sep 19, 2026.