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.

Mostly Cloudy

89°F

32°C

Humidity 16%
Wind Speed W 5 mph
Barometer 29.64 in (1003.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 May 4:56 pm CDT
Extended Forecast for

Sioux Falls SD

  • Tonight

    Tonight: Partly cloudy, with a low around 53. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. North wind 5 to 10 mph becoming east in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly after 4am. Increasing clouds, with a low around 57. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Mostly Cloudy
    then T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. High near 83. East southeast wind around 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 83 °F

    Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: Showers and thunderstorms. Some of the storms could be severe. Low around 52. South southeast wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Severe
    Thunderstorms

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 69. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Monday Night

    Monday Night: Showers likely before 1am. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. Breezy.

    High: 57 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 84. North wind 5 to 10 mph becoming east in the afternoon.
Saturday Night
Showers and thunderstorms likely, mainly after 4am. Increasing clouds, with a low around 57. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. High near 83. East southeast wind around 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms. Some of the storms could be severe. Low around 52. South southeast wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Monday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 69. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday Night
Showers likely before 1am. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 60%.
Tuesday
Mostly cloudy, with a high near 57. Breezy.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.54°N 96.73°W (Elev. 1453 ft)
Last Update:
4:43 pm CDT May 15, 2026
Forecast Valid:
5pm CDT May 15, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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