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.

Partly Cloudy

69°F

21°C

Humidity 61%
Wind Speed S 13 G 22 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Sep 5:56 pm CDT
Extended Forecast for

Sioux Falls SD

  • Tonight

    Tonight: A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 56. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Patchy fog between 8am and 10am. High near 62. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly after 4am. Cloudy, with a low around 58. South southeast wind 5 to 10 mph.

    Low: 58 °F

    Cloudy then
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm. Cloudy, with a high near 64. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 58. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 56. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Patchy fog between 8am and 10am. High near 62. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers, mainly after 4am. Cloudy, with a low around 58. South southeast wind 5 to 10 mph.
Friday
Showers likely, mainly after 1pm. Cloudy, with a high near 64. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
Showers. Low around 58. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Mostly cloudy, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 71.
Monday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.56°N 96.76°W (Elev. 1430 ft)
Last Update:
4:33 pm CDT Sep 23, 2026
Forecast Valid:
6pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation