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.

A Few Clouds

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1016.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Aug 5:56 am CDT
Extended Forecast for

3 Miles ESE Lyons SD

  • Today

    Today: A 10 percent chance of showers after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 86. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 86 °F

    Breezy.
    Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind around 10 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 86. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 71. South wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind around 10 mph.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly cloudy, with a low around 71.
Sunday
Partly sunny, with a high near 87.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 83.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Lyons SD
 43.71°N 96.7°W (Elev. 1519 ft)
Last Update:
4:26 am CDT Aug 13, 2025
Forecast Valid:
6am CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
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Additional Resources

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Chance of Precipitation