Sioux Falls, SD Weather & Growing Conditions
Overnight
62°F
Patchy Fog
Patchy fog. Cloudy, with a low around 62. North northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Patchy Fog | 5 mph NNE | 8% |
| Saturday | 67°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph N | 16% |
| Saturday Night | 56°F | Mostly Cloudy | 10 mph NNE | 7% |
| Sunday | 67°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Sunday Night | 53°F | Chance Rain Showers | 10 mph ENE | 51% |
| Monday | 62°F | Chance Rain Showers | 10 mph ENE | 51% |
| Monday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 15% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph ESE | 5% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph SE | 2% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph SSE | 8% |
| Wednesday Night | 52°F | Chance Rain Showers | 5 to 10 mph SSE | 35% |
| Thursday | 69°F | Chance Rain Showers | 5 to 10 mph SSE | 35% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SE | 16% |
| Friday | 72°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph SE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sioux Falls, SD
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5a
Explore more for Sioux Falls, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Sioux Falls Wfo Ap, Sd (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.