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.

Freezing Fog

28°F

-2°C

Humidity 100%
Wind Speed Calm
Barometer 30.16 in (1022.9 mb)
Dewpoint 28°F (-2°C)
Visibility 0.50 mi
Last update 4 Mar 12:56 am CST
Extended Forecast for

4 Miles NW Harrisburg SD

Dense Fog Advisory until March 4, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 4, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 30 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog between 7am and 8am. Areas of dense freezing fog before 7am. Otherwise, partly sunny, with a high near 56. South wind 5 to 10 mph.

    High: 56 °F

    Areas Dense
    Freezing Fog
    and Patchy
    Dense Fog

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 34. South southeast wind 5 to 10 mph.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. Breezy, with a south southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Low around 42. South southeast wind 10 to 15 mph becoming east northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 42 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, with thunderstorms also possible after 3pm. High near 56. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    High: 56 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: A chance of rain and snow before 9pm, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 30. South wind around 5 mph.
Wednesday
Patchy dense fog between 7am and 8am. Areas of dense freezing fog before 7am. Otherwise, partly sunny, with a high near 56. South wind 5 to 10 mph.
Wednesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 34. South southeast wind 5 to 10 mph.
Thursday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. Breezy, with a south southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
A chance of rain before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Low around 42. South southeast wind 10 to 15 mph becoming east northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
Rain, with thunderstorms also possible after 3pm. High near 56. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A chance of rain and snow before 9pm, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 52. Breezy. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Harrisburg SD
 43.47°N 96.76°W (Elev. 1542 ft)
Last Update:
12:33 am CST Mar 4, 2026
Forecast Valid:
1am CST Mar 4, 2026-6pm CDT Mar 10, 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