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 and Breezy

79°F

26°C

Humidity 60%
Wind Speed S 22 G 32 mph
Barometer 29.80 in (1008.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Jun 2:56 pm CDT
Extended Forecast for

Hartford SD

Heat Advisory June 28, 01:00pm until June 29, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Breezy, with a south southeast wind around 25 mph, with gusts as high as 35 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 70. Breezy, with a southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Breezy.
    Mostly Cloudy
    then Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 94. Breezy, with an east southeast wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Breezy.
    Showers
    Likely then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 96 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind 10 to 15 mph becoming south southeast after midnight. Winds could gust as high as 25 mph.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Breezy, with a south southeast wind around 25 mph, with gusts as high as 35 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 70. Breezy, with a southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 94. Breezy, with an east southeast wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 96. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind 10 to 15 mph becoming south southeast after midnight. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 92.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
Mostly sunny and hot, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hartford SD
 43.62°N 96.94°W (Elev. 1565 ft)
Last Update:
2:48 pm CDT Jun 27, 2026
Forecast Valid:
3pm CDT Jun 27, 2026-6pm CDT Jul 3, 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