National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

A Few Clouds

58°F

14°C

Humidity 84%
Wind Speed N 3 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 3 Aug 7:56 am CDT
Extended Forecast for

4 Miles NW Harrisburg SD

  • Today

    Today: Mostly sunny, with a high near 79. East northeast wind around 5 mph.

    Mostly Sunny

    High: 79 °F

  • Tonight

    Tonight: Mostly clear, with a low around 51. East wind around 5 mph becoming calm after midnight.

    Mostly Clear

    Low: 51 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. South southeast wind 5 to 10 mph.

    Mostly Sunny

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Mostly Cloudy
    then Chance
    T-storms

    Low: 58 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. South wind 10 to 15 mph. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 61 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 66.

    Partly Cloudy

    Low: 66 °F

  • Friday

    Friday: Mostly sunny, with a high near 87.

    Mostly Sunny

    High: 87 °F

Detailed Forecast

Today
Mostly sunny, with a high near 79. East northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 51. East wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 79. South southeast wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. South wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 90.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
4 Miles NW Harrisburg SD
 43.46°N 96.76°W (Elev. 1532 ft)
Last Update:
6:59 am CDT Aug 3, 2020
Forecast Valid:
8am CDT Aug 3, 2020-6pm CDT Aug 9, 2020
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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