National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Overcast

76°F

24°C

Humidity 85%
Wind Speed W 6 mph
Barometer 30.04 in (1016.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 15 Aug 11:56 am CDT
Extended Forecast for

Sioux Falls SD

  • This Afternoon

    This Afternoon: Rain and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 81. West wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. West northwest wind around 5 mph.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 81. North northwest wind 5 to 10 mph.

    High: 81 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph becoming light west southwest in the evening.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 81. West wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. West northwest wind around 5 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 81. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph becoming light west southwest in the evening.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.56°N 96.73°W (Elev. 1424 ft)
Last Update:
11:48 am CDT Aug 15, 2026
Forecast Valid:
12pm CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation