Significant Flood Threat Continues For South-Central U.S.

A widespread and significant flood risk continues across the south-central U.S. from repeated rounds of intense rain and strong to severe thunderstorms. Flash flood watches are in effect for large part of the ArkLaTex. Today's concern extends from the Louisiana and extreme Upper Texas Gulf Coast to northeastern Texas and southeastern Oklahoma before shifting to all of eastern Texas on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Overcast

64°F

18°C

Humidity 78%
Wind Speed SE 9 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 18 May 12:56 pm CDT
Extended Forecast for

Sioux Falls SD

  • This
    Afternoon

    This Afternoon: A slight chance of sprinkles.  Mostly cloudy, with a high near 70. Southeast wind around 10 mph.

    Slight Chance
    Sprinkles

    High: 70 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph.

    Mostly Cloudy

    Low: 58 °F

  • Wednesday

    Wednesday: A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 79. South southeast wind 5 to 15 mph.  Chance of precipitation is 50%.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. South wind 10 to 15 mph.  Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 62 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

    High: 79 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms and
    Breezy

    Low: 64 °F

  • Friday

    Friday: Partly sunny, with a high near 84. Breezy.

    Partly Sunny
    and Breezy

    High: 84 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 66. Breezy.

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

    Low: 66 °F

  • Saturday

    Saturday: A chance of showers after 1pm.  Partly sunny, with a high near 84. Chance of precipitation is 40%.

    Partly Sunny
    then Chance
    Showers

    High: 84 °F

Detailed Forecast

This Afternoon
A slight chance of sprinkles. Mostly cloudy, with a high near 70. Southeast wind around 10 mph.
Tonight
Mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph.
Wednesday
A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. South southeast wind 5 to 15 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 10 to 15 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 84. Breezy.
Friday Night
Partly cloudy, with a low around 66. Breezy.
Saturday
A chance of showers after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Sioux Falls SD
 43.55°N 96.73°W (Elev. 1450 ft)
11:47 am CDT May 18, 2021
1pm CDT May 18, 2021-6pm CDT May 24, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database