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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.

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

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

    Today: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms between noon and 1pm.  Cloudy, then gradually becoming mostly sunny and hot, with a high near 95. Heat index values as high as 100. South wind around 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Scattered
    T-storms

    High: 95 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 9pm and 2am. 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 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 noon, then scattered showers and thunderstorms between noon and 1pm. Cloudy, then gradually becoming mostly sunny and hot, with a high near 95. Heat index values as high as 100. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly between 9pm and 2am. 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 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 2am. 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)
8:59 am CDT Jul 21, 2017
10am CDT Jul 21, 2017-6pm CDT Jul 27, 2017
 
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