Windy cities · South Dakota
How windy is Sioux Falls?
Sioux Falls right now
33°FScattered clouds
- Today41°F / 29°FClouds
- Tomorrow49°F / 25°FClear skies
- Monday53°F / 34°FClear skies
Overcast and over it.
Live from OpenWeatherMap. Alerts from the National Weather Service.
Across a typical year, the wind in Sioux Falls averages about 10.1 mph.
April is the windiest month, at about 11.9 mph, and August the calmest, at about 8.5 mph. There’s no wind at all about 10% of the time. That makes it the joint 19th windiest of the 124 US cities we track.
Last updated
The strongest average wind in the forecast for the next 48 hours is about 12 mph.
Sioux Falls averages about 10.1 mph of wind, so the prairie out here keeps the flags busy.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
The wind at a glance
| Average wind speed, all year | 10.1 mph |
|---|---|
| Windiest month | April, 11.9 mph |
| Calmest month | August, 8.5 mph |
| Hours with no wind at all | 10% |
Average wind speeds across every hour of a typical year, not gusts.
Cities with about the same wind
- Buffalo, New York: about 10.1 mph
- Denver, Colorado: about 10 mph
- Duluth, Minnesota: about 10 mph
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00014944. Average wind speed, not gusts.