October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Fair

61°F

16°C

Humidity 58%
Wind Speed S 14 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 6 Oct 2:56 am CDT
Extended Forecast for

4 Miles E Sioux Falls SD

  • Overnight

    Overnight: Clear, with a steady temperature around 61. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. North northwest wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. West northwest wind around 5 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming north northeast after midnight.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. Calm wind becoming southeast around 5 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 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 61. South wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 83. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. North northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 75. West northwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming north northeast after midnight.
Thursday
Mostly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 80. Breezy.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 51.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Sioux Falls SD
 43.54°N 96.67°W (Elev. 1496 ft)
1:33 am CDT Oct 6, 2026
3am CDT Oct 6, 2026-6pm CDT Oct 12, 2026
 
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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