Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Mostly Cloudy

82°F

28°C

Humidity 67%
Wind Speed E 8 mph
Barometer 29.96 in (1013.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 Aug 12:56 pm CDT
Extended Forecast for

Sioux Falls SD

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 83. Northeast wind around 10 mph.

    Mostly Sunny

    High: 83 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph.  Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 61 °F

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 78. East southeast wind around 5 mph.  Chance of precipitation is 50%.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 78 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 58. North wind around 5 mph.  Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 58 °F

  • Tuesday

    Tuesday: Sunny, with a high near 77. North wind 5 to 10 mph.

    Sunny

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 52.

    Mostly Clear

    Low: 52 °F

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    Sunny

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Partly Cloudy

    Low: 56 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    Mostly Sunny

    High: 75 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. Northeast wind around 10 mph.
Tonight
A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 78. East southeast wind around 5 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58. North wind around 5 mph. Chance of precipitation is 50%.
Tuesday
Sunny, with a high near 77. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Partly sunny, with a high near 77.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Sioux Falls SD
 43.55°N 96.73°W (Elev. 1450 ft)
12:30 pm CDT Aug 20, 2017
1pm CDT Aug 20, 2017-6pm CDT Aug 26, 2017
 
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