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.

Overcast and Breezy

48°F

9°C

Humidity 89%
Wind Speed N 21 G 31 mph
Barometer 29.88 in (1012.3 mb)
Dewpoint 45°F (7°C)
Visibility 9.00 mi
Wind Chill41°F (5°C)
Last update 18 May 10:56 pm CDT
Extended Forecast for

Garretson SD

  • Tonight

    Tonight: Cloudy, with a low around 41. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 56 °F

    Cloudy and
    Breezy then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. North northwest wind 10 to 15 mph becoming light and variable in the evening.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 8am. Otherwise, sunny, then becoming mostly cloudy during the afternoon, with a high near 63. Light east southeast wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 63 °F

    Areas Frost
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Southeast wind 5 to 10 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Cloudy, with a low around 41. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. North northwest wind 10 to 15 mph becoming light and variable in the evening.
Wednesday
Areas of frost before 8am. Otherwise, sunny, then becoming mostly cloudy during the afternoon, with a high near 63. Light east southeast wind becoming south southeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 42. Southeast wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 71.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 55.
Memorial Day
Mostly sunny, with a high near 87.
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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:
10:47 pm CDT May 18, 2026
Forecast Valid:
11pm CDT May 18, 2026-6pm CDT May 25, 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