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

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Fog/Mist

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.76 in (1007.4 mb)
Dewpoint 63°F (17°C)
Visibility 5.00 mi
Last update 30 Sep 12:56 am CDT
Extended Forecast for

Marion SD

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 57. West wind around 5 mph.

    Low: 57 °F

    Patchy Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 73. North northwest wind around 5 mph becoming calm.

    High: 73 °F

    Dense Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 57. Light and variable wind becoming north northeast 5 to 10 mph after midnight.

    Low: 57 °F

    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. North wind around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 57. West wind around 5 mph.
Wednesday
Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 73. North northwest wind around 5 mph becoming calm.
Wednesday Night
Cloudy, with a low around 57. Light and variable wind becoming north northeast 5 to 10 mph after midnight.
Thursday
Partly sunny, with a high near 63. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 47. North wind around 5 mph.
Friday
Mostly sunny, with a high near 60. Northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marion SD
 43.42°N 97.26°W (Elev. 1453 ft)
Last Update:
11:48 pm CDT Sep 29, 2026
Forecast Valid:
1am CDT Sep 30, 2026-6pm CDT Oct 6, 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