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

Excessive Rainfall Possible This Weekend; 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 the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Overcast

55°F

13°C

Humidity 51%
Wind Speed S 12 G 23 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 3 Oct 1:56 am CDT
Extended Forecast for

Sioux Falls SD

  • Overnight

    Overnight: Partly cloudy, with a low around 50. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Breezy, with a south wind 10 to 20 mph, with gusts as high as 40 mph.

    High: 73 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. West wind 5 to 10 mph becoming north northwest after midnight.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Northwest wind around 5 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. Calm wind.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. South wind around 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 73. Breezy, with a south wind 10 to 20 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 48. West wind 5 to 10 mph becoming north northwest after midnight.
Sunday
Sunny, with a high near 65. Northwest wind around 5 mph.
Sunday Night
Clear, with a low around 45. Calm wind.
Monday
Sunny, with a high near 67. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.54°N 96.73°W (Elev. 1453 ft)
Last Update:
2:43 am CDT Oct 3, 2026
Forecast Valid:
2am CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation