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.

Fair

47°F

8°C

Humidity 74%
Wind Speed Calm
Barometer 30.30 in (1026.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 4 Oct 9:56 pm CDT
Extended Forecast for

2 Miles SSE Sioux Falls, Foss Field SD

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 75 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Clear, with a low around 54. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. South southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

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

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Calm wind.
Monday
Sunny, with a high near 75. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Clear, with a low around 54. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 80. South southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 73. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 77. Breezy.
Saturday Night
Mostly clear, with a low around 61. Breezy.
Sunday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Sioux Falls, Foss Field SD
 43.58°N 96.73°W (Elev. 1447 ft)
Last Update:
9:18 pm CDT Oct 4, 2026
Forecast Valid:
10pm CDT Oct 4, 2026-6pm CDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation