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Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Fair

36°F

2°C

Humidity 97%
Wind Speed Calm
Barometer 30.29 in (1026.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 20 May 3:56 am CDT
Extended Forecast for

Garretson SD

Frost Advisory May 20, 04:07am until May 20, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory May 20, 04:07am until May 20, 08:00am

    NOW until 8:00am Wed

    Frost Advisory

  • Today

    High: 62 °F

    Areas Frost
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Southeast wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 43. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers likely, mainly after 1pm. Cloudy, with a high near 59. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 44. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, partly sunny, with a high near 62. Light east southeast wind becoming south 5 to 10 mph in the morning.
Tonight
Mostly cloudy, with a low around 41. Southeast wind 5 to 10 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 43. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Showers likely, mainly after 1pm. Cloudy, with a high near 59. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 44. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 68.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 52.
Memorial Day
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garretson SD
 43.71°N 96.49°W (Elev. 1549 ft)
Last Update:
3:08 am CDT May 20, 2026
Forecast Valid:
4am CDT May 20, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation