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

47°F

8°C

Humidity 83%
Wind Speed S 3 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 8 Oct 4:53 am CDT
Extended Forecast for

3 Miles WSW Hayti SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 69. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 69 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 48. East southeast wind around 7 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 78. South southeast wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph.

    Low: 66 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 82. Breezy, with a south wind 22 to 25 mph, with gusts as high as 38 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Breezy, with a south wind 16 to 21 mph, with gusts as high as 33 mph.

    Low: 62 °F

    Clear and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74. South wind around 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. North wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 56. North wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 56 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 69. Calm wind becoming southeast 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 48. East southeast wind around 7 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 78. South southeast wind 8 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 82. Breezy, with a south wind 22 to 25 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 62. Breezy, with a south wind 16 to 21 mph, with gusts as high as 33 mph.
Sunday
Mostly sunny, with a high near 74. South wind around 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 44. North wind 10 to 14 mph, with gusts as high as 23 mph.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 56. North wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 41. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 61. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Hayti SD
 44.65°N 97.26°W (Elev. 1640 ft)
Last Update:
5:36 am CDT Oct 8, 2026
Forecast Valid:
5am CDT Oct 8, 2026-6pm CDT Oct 14, 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