Clark, SD Weather & Growing Conditions
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers and patchy fog before 5pm, then patchy fog and a slight chance of rain showers. Cloudy, with a high near 62. East wind around 13 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 13 mph E | 38% |
| Tonight | 56°F | Areas Of Fog | 10 mph ENE | 19% |
| Saturday | 65°F | Areas Of Fog then Cloudy | 9 to 14 mph NE | 6% |
| Saturday Night | 53°F | Mostly Cloudy | 9 to 13 mph NE | 4% |
| Sunday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 12 to 15 mph ENE | 19% |
| Sunday Night | 50°F | Chance Rain Showers | 9 to 13 mph E | 49% |
| Monday | 61°F | Chance Rain Showers | 12 mph E | 49% |
| Monday Night | 47°F | Mostly Cloudy | 9 mph E | 6% |
| Tuesday | 65°F | Mostly Sunny | 8 to 13 mph SE | 2% |
| Tuesday Night | 49°F | Partly Cloudy | 12 mph SE | 8% |
| Wednesday | 67°F | Partly Sunny | 13 to 17 mph SSE | 12% |
| Wednesday Night | 53°F | Chance Rain Showers | 12 mph SSE | 28% |
| Thursday | 69°F | Chance Rain Showers then Partly Sunny | 12 mph SSE | 28% |
| Thursday Night | 54°F | Mostly Cloudy | 9 mph SE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clark, SD
Last spring frost
May 5
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
4b
Explore more for Clark, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Clark, Sd (0.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.