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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 >

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Light Rain

24°C

76°F

Humidity 82%
Wind Speed S 9 km/h
Barometer 1010.0 mb (29.86 in)
Dewpoint 21°C (70°F)
Visibility 14 km
Heat Index25°C (77°F)
Last update 21 Jul 6:56 am CDT
Extended Forecast for

Sioux Falls SD

Heat Advisory July 21, 12:00pm until July 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A chance of showers and thunderstorms, mainly before 9am.  Cloudy, then gradually becoming mostly sunny and hot, with a high near 35. Heat index values as high as 39. South wind 15 to 20 km/h.  Chance of precipitation is 50%.

    Chance
    T-storms then
    Mostly Sunny

    High: 35 °C

  • 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 21. South southwest wind 10 to 15 km/h becoming north northwest after midnight.  Chance of precipitation is 30%.

    Severe
    Thunderstorms

    Low: 21 °C

  • Saturday

    Saturday: Mostly sunny, with a high near 34. North northwest wind 10 to 20 km/h.

    Mostly Sunny

    High: 34 °C

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 17. Northwest wind 5 to 15 km/h.

    Mostly Clear

    Low: 17 °C

  • Sunday

    Sunday: Sunny, with a high near 29. North northwest wind 10 to 15 km/h.

    Sunny

    High: 29 °C

  • Sunday
    Night

    Sunday Night: Clear, with a low around 14.

    Clear

    Low: 14 °C

  • Monday

    Monday: Sunny, with a high near 28.

    Sunny

    High: 28 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 18.

    Mostly Clear

    Low: 18 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31.

    Mostly Sunny

    High: 31 °C

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before 9am. Cloudy, then gradually becoming mostly sunny and hot, with a high near 35. Heat index values as high as 39. South wind 15 to 20 km/h. Chance of precipitation is 50%.
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 21. South southwest wind 10 to 15 km/h becoming north northwest after midnight. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 34. North northwest wind 10 to 20 km/h.
Saturday Night
Mostly clear, with a low around 17. Northwest wind 5 to 15 km/h.
Sunday
Sunny, with a high near 29. North northwest wind 10 to 15 km/h.
Sunday Night
Clear, with a low around 14.
Monday
Sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 19. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 29. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Sioux Falls SD
 43.55°N 96.73°W (Elev. 442 m)
6:30 am CDT Jul 21, 2017
7am CDT Jul 21, 2017-6pm CDT Jul 27, 2017
 
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