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

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Light Rain

65°F

18°C

Humidity 59%
Wind Speed NW 18 G 31 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 19 Jun 8:56 am CDT
Extended Forecast for

Marion SD

  • Juneteenth

    Juneteenth: Showers likely, mainly between 11am and 2pm. Mostly cloudy, with a high near 75. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 4pm and 5pm. Increasing clouds, with a high near 79. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Cloudy, with a low around 58. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Juneteenth
Showers likely, mainly between 11am and 2pm. Mostly cloudy, with a high near 75. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 52. West wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Saturday
A slight chance of showers between 4pm and 5pm. Increasing clouds, with a high near 79. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Cloudy, with a low around 58. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 74.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 78.
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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:
8:17 am CDT Jun 19, 2026
Forecast Valid:
9am CDT Jun 19, 2026-6pm CDT Jun 25, 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