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

67°F

19°C

Humidity 45%
Wind Speed S 14 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 5 Oct 8:56 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 25 mph.

    Low: 55 °F

    Mostly 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. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 51 °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 25 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. West northwest 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.73°W (Elev. 1447 ft)
7:53 pm CDT Oct 5, 2026
9pm CDT Oct 5, 2026-6pm CDT Oct 12, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database