Sioux Falls, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sioux Falls, a city in Minnehaha County, South Dakota.
Tonight
63°F
Cloudy then Slight Chance Rain Showers
A slight chance of rain showers between 1am and 2am, then patchy fog and a slight chance of rain showers. Cloudy, with a low around 63. North northeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Sioux Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Cloudy then Slight Chance Rain Showers | 5 mph NNE | 19% |
| Saturday | 68°F | Patchy Fog then Cloudy | 5 to 10 mph NNE | 14% |
| Saturday Night | 57°F | Mostly Cloudy | 10 mph NNE | 3% |
| Sunday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Sunday Night | 55°F | Rain Showers Likely | 10 mph ENE | 57% |
| Monday | 61°F | Rain Showers Likely | 10 mph ENE | 57% |
| Monday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 17% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph E | 4% |
| Tuesday Night | 49°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 68°F | Partly Sunny | 5 to 10 mph SSE | 11% |
| Wednesday Night | 54°F | Chance Rain Showers | 5 to 10 mph SSE | 39% |
| Thursday | 69°F | Chance Rain Showers | 5 to 10 mph SSE | 39% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 16% |
| Friday | 71°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph SE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Sioux Falls (43.541, -96.732). Updated through the day.
Growing snapshot for Sioux Falls
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
More local growing data for Sioux Falls: nearby ZIP 57197 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Anderson
Baltic
Brandon
Colton
Crooks
Dell Rapids
Garretson
Hartford
Humboldt
Lyons
Meadow View Addition
Pine Lakes Addition
Renner Corner
Rowena
Sherman
Valley Springs
Climate data from the nearest NOAA station, Sioux Falls Wfo Ap, Sd (4.4 mi from Sioux Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.