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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

63°F

17°C

Humidity 60%
Wind Speed W 6 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 6:53 pm CDT
Extended Forecast for

Hayti SD

  • Tonight

    Tonight: Mostly clear, with a low around 45. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. West northwest wind 5 to 8 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South wind 13 to 18 mph, with gusts as high as 29 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North northwest wind 3 to 5 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. North wind 6 to 11 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Light and variable wind becoming south around 5 mph after midnight.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 66. West northwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 69. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Mostly clear, with a low around 55. South wind 13 to 18 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 77. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 53. North northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 70. North wind 6 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 52. Light and variable wind becoming south around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 75. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hayti SD
 44.65°N 97.2°W (Elev. 1699 ft)
Last Update:
6:21 pm CDT Oct 3, 2026
Forecast Valid:
7pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
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