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.

Light Rain

71°F

22°C

Humidity 90%
Wind Speed E 8 mph
Barometer 29.89 in (1011.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 13 Aug 3:56 am CDT
Extended Forecast for

Sioux Falls SD

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 72. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Some of the storms could produce heavy rainfall. High near 76. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 76 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Cloudy, with a high near 75. East wind around 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 67. East wind 5 to 10 mph becoming light east northeast after midnight.

    Low: 67 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 80 °F

    Cloudy then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 72. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Some of the storms could produce heavy rainfall. High near 76. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A slight chance of showers before 2am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
A 50 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Cloudy, with a high near 75. East wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 67. East wind 5 to 10 mph becoming light east northeast after midnight.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 76.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
Mostly cloudy, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.54°N 96.73°W (Elev. 1453 ft)
Last Update:
1:33 am CDT Aug 13, 2026
Forecast Valid:
3am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
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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