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.

Fair

67°F

19°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.90 in (1011.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 2 Sep 2:56 am CDT
Extended Forecast for

Marion SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. East northeast wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 89. East southeast wind around 5 mph.

    High: 89 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 69. East wind 5 to 10 mph.

    Low: 69 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: A 10 percent chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 92. South wind around 10 mph.

    High: 92 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. South southeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. East northeast wind around 5 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 89. East southeast wind around 5 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 69. East wind 5 to 10 mph.
Thursday
A 10 percent chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 92. South wind around 10 mph.
Thursday Night
Mostly clear, with a low around 71. South southeast wind 5 to 10 mph.
Friday
Sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 67.
Labor Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion SD
 43.42°N 97.26°W (Elev. 1453 ft)
Last Update:
3:28 am CDT Sep 2, 2026
Forecast Valid:
3am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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