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

Hazardous Weather Outlook

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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

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Sioux Falls SD

This
Afternoon

Slight Chance
Sprinkles
High: 70 °F
Tonight

Mostly Cloudy
Low: 58 °F
Wednesday

Slight Chance
Showers then
Chance
T-storms
High: 79 °F
Wednesday
Night

Chance
T-storms
Low: 62 °F
Thursday

Chance
T-storms then
Showers
Likely and
Breezy
High: 79 °F
Thursday
Night

Slight Chance
T-storms and
Breezy
Low: 64 °F
Friday

Partly Sunny
and Breezy
High: 84 °F
Friday
Night

Partly Cloudy
and Breezy
then Mostly
Cloudy
Low: 66 °F
Saturday

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%.