Sioux Falls, South Dakota Weather Forecast
Today in Sioux Falls: mostly sunny with a high near 49°F and a low around 37°F. Rain chance 4%. No day tops a 20% rain chance through Thursday. Warming trend: highs climb from 49°F today to 60°F by Monday.
Forecast updated 9:05 PM CDT, Oct 16
Active Weather Alerts
7-Day Forecast for Sioux Falls
Today 10/16
49°37°
Sat 10/17
56°34°
Sun 10/18
61°43°
Mon 10/19
60°41°
Tue 10/20
65°46°
Wed 10/21
70°52°
Thu 10/22
10%
70°53°
Next 24 Hours
| Now | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  | | | | | | | | | | | | | | | | | | | | | | | |
| Temp | 40° | 38° | 37° | 36° | 34° | 34° | 34° | 34° | 34° | 35° | 35° | 35° | 38° | 42° | 46° | 49° | 53° | 55° | 56° | 56° | 56° | 54° | 51° | 50° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | WNW 3 | W 2 | SW 2 | SSW 2 | S 3 | S 5 | S 6 | S 7 | SSW 9 | SSW 11 | SSW 12 | SSW 13 | SSW 15 | SSW 15 | SSW 17 | SSW 18 | SSW 17 | SSW 18 | S 18 | S 18 | S 18 | S 17 | S 15 | S 17 |
Growing Conditions
Growing degree days
3,352
since Apr 1, base 50°F
Rain, last 30 days
2.36 in
model analysis
Rain, year to date
27.31 in
since Jan 1
2-inch soil temperature
52°F
yesterday, daily average
Reference ET, last 7 days
0.84 in
FAO-56 grass reference
Through Oct 15. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Sioux Falls →
Current Stats & Observations
NWS Forecast
About Sioux Falls Weather
Sioux Falls sits at about 1,483 feet above sea level in Minnehaha County, South Dakota. About 187,239 people live in the Sioux Falls area. Official forecasts and warnings for the area come from the National Weather Service FSD office, and the nearest NEXRAD radar site is KFSD. The city is in USDA plant hardiness zone 5a, where the coldest winter night typically falls between -20 to -15°F. Over the past ten years the last spring freeze has come around Apr 25 and the first fall freeze around Oct 19.