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

Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Overcast

74°F

23°C

Humidity 91%
Wind Speed SE 13 mph
Barometer 29.81 in (1008.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 21 Jul 9:56 am CDT
Extended Forecast for

Sioux Falls SD

  • Today

    Today: Showers likely and possibly a thunderstorm before 11am, then scattered showers and thunderstorms between 11am and noon.  Cloudy, then gradually becoming mostly sunny, with a high near 90. East northeast wind 10 to 15 mph becoming south in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Mostly Sunny

    High: 90 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 8pm and 1am. Some of the storms could be severe.  Mostly cloudy, with a low around 69. South southwest wind 5 to 10 mph becoming north northwest after midnight.  Chance of precipitation is 30%.

    Severe
    Thunderstorms

    Low: 69 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 93. North northwest wind 5 to 10 mph.

    Mostly Sunny

    High: 93 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 63. Northwest wind 5 to 10 mph.

    Mostly Clear

    Low: 63 °F

  • Sunday

    Sunday: Sunny, with a high near 85. North northwest wind 5 to 10 mph.

    Sunny

    High: 85 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 58.

    Clear

    Low: 58 °F

  • Monday

    Monday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    Mostly Sunny

    High: 87 °F

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 11am, then scattered showers and thunderstorms between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 90. East northeast wind 10 to 15 mph becoming south in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly between 8pm and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 69. South southwest wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 93. North northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 63. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 85. North northwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Sioux Falls SD
 43.55°N 96.73°W (Elev. 1450 ft)
10:15 am CDT Jul 21, 2017
10am CDT Jul 21, 2017-6pm CDT Jul 27, 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