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.

Partly Cloudy

77°F

25°C

Humidity 79%
Wind Speed W 3 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Aug 7:56 pm CDT
Extended Forecast for

Marion SD

  • Tonight

    Tonight: A chance of sprinkles before 9pm. Partly cloudy, with a low around 61. North northwest wind around 10 mph.

    Low: 61 °F

    Chance
    Sprinkles

  • Sunday

    Sunday: Mostly sunny, with a high near 79. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. North northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61. South southwest wind 5 to 10 mph.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of sprinkles before 9pm. Partly cloudy, with a low around 61. North northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 79. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61. South southwest wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph becoming northeast in the afternoon.
Tuesday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 81.
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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:
7:03 pm CDT Aug 15, 2026
Forecast Valid:
8pm CDT Aug 15, 2026-6pm CDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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