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Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Mostly Cloudy

13°C

55°F

Humidity 49%
Wind Speed NW 24 G 43 km/h
Barometer 1022.6 mb (30.18 in)
Dewpoint 2°C (36°F)
Visibility 16 km
Wind Chill11°C (51°F)
Last update 19 May 4:56 pm CDT
Extended Forecast for

Sioux Falls, Foss Field SD

Frost Advisory May 20, 01:00am until May 20, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, partly cloudy, with a low around 1. North northwest wind 15 to 20 km/h becoming light and variable in the evening. Winds could gust as high as 35 km/h.

    Low: 1 °C

    Partly Cloudy
    then Patchy
    Frost

  • Wednesday

    Wednesday: Areas of frost before 8am. Otherwise, increasing clouds, with a high near 17. Light and variable wind becoming south southeast 10 to 15 km/h in the morning.

    High: 17 °C

    Areas Frost
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5. South southeast wind 10 to 15 km/h.

    Low: 5 °C

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 19. Southeast wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 19 °C

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 7. East southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: 7 °C

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 16. East southeast wind 15 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%.

    High: 16 °C

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 7. Chance of precipitation is 60%.

    Low: 7 °C

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 21.

    High: 21 °C

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 1. North northwest wind 15 to 20 km/h becoming light and variable in the evening. Winds could gust as high as 35 km/h.
Wednesday
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 17. Light and variable wind becoming south southeast 10 to 15 km/h in the morning.
Wednesday Night
Mostly cloudy, with a low around 5. South southeast wind 10 to 15 km/h.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 19. Southeast wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 7. East southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 16. East southeast wind 15 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 7. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 21.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 12.
Memorial Day
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.73°W (Elev. 1447 m)
Last Update:
2:41 pm CDT May 19, 2026
Forecast Valid:
5pm CDT May 19, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation