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.

Fair

71°F

22°C

Humidity 32%
Wind Speed S 15 G 25 mph
Barometer 29.80 in (1008.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 12 May 12:56 am CDT
Extended Forecast for

Chancellor SD

Red Flag Warning May 12, 12:00pm until May 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph becoming west. Winds could gust as high as 25 mph.

    Low: 60 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of sprinkles before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Windy, with a northwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 77 °F

    Slight Chance
    Sprinkles and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Breezy, with a north northwest wind 15 to 25 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. North northwest wind around 5 mph becoming west southwest in the morning.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 54 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Windy, with a south southeast wind 20 to 25 mph increasing to 30 to 35 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Partly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Sunny, with a high near 85. Breezy.

    High: 85 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph becoming west. Winds could gust as high as 25 mph.
Tuesday
A slight chance of sprinkles before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Windy, with a northwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Mostly clear, with a low around 45. Breezy, with a north northwest wind 15 to 25 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 35 mph.
Wednesday
Sunny, with a high near 79. North northwest wind around 5 mph becoming west southwest in the morning.
Wednesday Night
Partly cloudy, with a low around 54. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Windy, with a south southeast wind 20 to 25 mph increasing to 30 to 35 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 53. Breezy.
Friday
Sunny, with a high near 85. Breezy.
Friday Night
Mostly clear, with a low around 53.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Breezy.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Breezy.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 80. Breezy.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49. Breezy.
Monday
Partly sunny, with a high near 71. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chancellor SD
 43.38°N 96.99°W (Elev. 1368 ft)
Last Update:
1:33 am CDT May 12, 2026
Forecast Valid:
1am CDT May 12, 2026-6pm CDT May 18, 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