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

54°F

12°C

Humidity 83%
Wind Speed NE 8 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 18 May 12:56 pm CDT
Extended Forecast for

Garretson SD

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 56. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 39. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. North northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. South southeast wind 5 to 10 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 56. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Low around 39. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly cloudy, with a high near 56. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 34. North northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 42. South southeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 68.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 44.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 74.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 83.
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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:
12:53 pm CDT May 18, 2026
Forecast Valid:
1pm CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation