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

95°F

35°C

Humidity 54%
Wind Speed SE 7 mph
Barometer 29.88 in (1010.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 25 Jul 2:56 pm CDT
Extended Forecast for

Canistota SD

Heat Advisory July 25, 03:12pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 25, 03:12pm until July 26, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 9pm and 2am. Partly cloudy during the early evening, then becoming cloudy, with a low around 76. South southeast wind 10 to 15 mph becoming west northwest in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny and hot, with a high near 97. Heat index values as high as 109. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph becoming northwest after midnight.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. Northeast wind around 10 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming east southeast after midnight.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 98. Heat index values as high as 109. South wind around 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 9pm and 2am. Partly cloudy during the early evening, then becoming cloudy, with a low around 76. South southeast wind 10 to 15 mph becoming west northwest in the evening.
Sunday
Cloudy, then gradually becoming mostly sunny and hot, with a high near 97. Heat index values as high as 109. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph becoming northwest after midnight.
Monday
Sunny and hot, with a high near 95. Northeast wind around 10 mph.
Monday Night
Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming east southeast after midnight.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Canistota SD
 43.6°N 97.26°W (Elev. 1588 ft)
Last Update:
1:33 pm CDT Jul 25, 2026
Forecast Valid:
3pm CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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