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Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Partly Cloudy

90°F

32°C

Humidity 47%
Wind Speed E 15 G 22 mph
Barometer 29.85 in (1009.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 12 Aug 2:56 pm CDT
Extended Forecast for

Sioux Falls, Foss Field SD

  • This Afternoon

    This Afternoon: Patchy smoke. Sunny, with a high near 90. East wind around 10 mph.

    High: 90 °F

    Patchy Smoke

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy smoke before 2am. Increasing clouds, with a low around 67. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 78. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Cloudy, with a high near 77. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph becoming light east after midnight.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Patchy smoke. Sunny, with a high near 90. East wind around 10 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy smoke before 2am. Increasing clouds, with a low around 67. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 78. East wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Cloudy, with a high near 77. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph becoming light east after midnight.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 77.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 78.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.73°W (Elev. 1447 ft)
Last Update:
2:33 pm CDT Aug 12, 2026
Forecast Valid:
3pm CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation