National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

A Few Clouds and Breezy

78°F

26°C

Humidity 32%
Wind Speed S 22 G 31 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Oct 3:56 pm CDT
Extended Forecast for

Sioux Falls, Foss Field SD

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. South southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. North wind around 5 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. Light northeast wind becoming east northeast 5 to 10 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 81. South southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. North wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 68. Light northeast wind becoming east northeast 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 78. Breezy.
Saturday Night
Mostly clear, with a low around 60. Breezy.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 52.
Columbus Day
A 30 percent chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.73°W (Elev. 1447 ft)
Last Update:
3:48 pm CDT Oct 5, 2026
Forecast Valid:
4pm CDT Oct 5, 2026-6pm CDT Oct 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation