Sioux Falls, SD Weather & Growing Conditions
Overnight
39°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 39, with temperatures rising to around 42 overnight. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Chance Rain Showers | 15 mph NW | 34% |
| Wednesday | 46°F | Rain Showers Likely | 15 to 20 mph NW | 67% |
| Wednesday Night | 37°F | Chance Rain Showers | 10 to 15 mph NW | 43% |
| Thursday | 46°F | Mostly Cloudy | 10 to 15 mph NNW | 1% |
| Thursday Night | 31°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 45°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 55°F | Sunny | 0 to 5 mph WSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 57°F | Mostly Sunny | 0 to 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sioux Falls, SD
Last spring frost
May 1
First fall frost
Oct 6
Growing season
157 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, Sd (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.