Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

30°F

-1°C

Humidity 88%
Wind Speed E 7 mph
Barometer 30.03 in (1019.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 3 Apr 1:53 pm CDT
Extended Forecast for

Watertown SD

Winter Weather Advisory April 3, 02:42pm until April 4, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 3, 02:42pm until April 4, 07:00pm

    NOW until 7:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 32 °F

    Wintry Mix

  • Tonight

    Tonight: Snow and freezing rain, becoming all snow after 10pm.  Low around 27. Northeast wind 6 to 10 mph becoming northwest after midnight.  Chance of precipitation is 100%. Little or no ice accumulation expected.  New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Wintry Mix
    then Snow
    Likely

  • Saturday

    Saturday: Snow, mainly before 3pm.  Patchy blowing snow after 10am. High near 35. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow and
    Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 25. West northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 42. West wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 30. North wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. North northeast wind 7 to 11 mph becoming east southeast after midnight.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow, freezing rain, and sleet likely before 4pm, then snow and freezing rain. High near 32. Northeast wind around 11 mph. Chance of precipitation is 80%. Total daytime ice accumulation of around a 0.1 of an inch possible. Total daytime snow and sleet accumulation of less than a half inch possible.
Tonight
Snow and freezing rain, becoming all snow after 10pm. Low around 27. Northeast wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow, mainly before 3pm. Patchy blowing snow after 10am. High near 35. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 25. West northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 42. West wind 9 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 21. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Monday
Partly sunny, with a high near 30. North wind 10 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 15. North northeast wind 7 to 11 mph becoming east southeast after midnight.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 41. Breezy, with a south southeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 31. Breezy.
Wednesday
Mostly sunny, with a high near 56. Breezy.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 20%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
2:31 pm CDT Apr 3, 2026
2pm CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
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