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

Dangerous Heat in the West; Flash Flooding Possible Across the Southern US

Dangerous heat is expected across areas in Texas and from Washington through California. Several daily high temperature records are expected to be either tied or broken in the West. Monsoonal showers and thunderstorms may result in flash flooding and debris flows over the Southwestern U.S. through Friday. Locally heavy rain is expected from thunderstorms in the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Fair

67°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 30.15 in (1020.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 Aug 10:56 pm CDT
Extended Forecast for

Sioux Falls SD

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southeast wind around 5 mph becoming calm after midnight.

    Mostly Clear

    Low: 60 °F

  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming south southwest around 5 mph in the afternoon.

    Sunny

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 63. South wind around 5 mph.

    Mostly Clear

    Low: 63 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    Partly Sunny
    then Chance
    T-storms

    High: 81 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 61 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 72. Northwest wind 5 to 10 mph. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 72 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 59 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 74 °F

  • Saturday
    Night

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

    Mostly Clear

    Low: 58 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Southeast wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 80. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 63. South wind around 5 mph.
Thursday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 50%.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 72. Northwest wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 78.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Sioux Falls SD
 43.54°N 96.73°W (Elev. 1453 ft)
Last Update:
10:30 pm CDT Aug 16, 2022
Forecast Valid:
11pm CDT Aug 16, 2022-6pm CDT Aug 23, 2022
 
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