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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Freezing Rain Fog/Mist

30°F

-1°C

Humidity 96%
Wind Speed NE 13 mph
Barometer 30.04 in (1019.2 mb)
Dewpoint 29°F (-2°C)
Visibility 2.50 mi
Wind Chill20°F (-7°C)
Last update 3 Apr 7:53 pm CDT
Extended Forecast for

6 Miles WSW Watertown SD

Winter Weather Advisory April 3, 08:16pm until April 4, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 3, 08:16pm until April 4, 07:00pm

    NOW until 7:00pm Sat

    Winter Weather Advisory

  • Tonight

    Low: 26 °F

    Wintry Mix
    then Snow
    Likely

  • Saturday

    Saturday: Snow, mainly before 3pm. Patchy blowing snow after 9am. High near 34. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow and
    Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Patchy blowing snow before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. West northwest wind 9 to 17 mph, with gusts as high as 28 mph.

    Low: 23 °F

    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 39. West wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29. North wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. North northeast wind 8 to 13 mph becoming east southeast after midnight.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Breezy, with a south southeast wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

    High: 39 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Snow, possibly mixed with freezing rain, becoming all snow after 2am. Low around 26. Northeast wind 7 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
Snow, mainly before 3pm. Patchy blowing snow after 9am. High near 34. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
Patchy blowing snow before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. West northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 39. West wind 8 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 20. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 29. North wind 10 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 14. North northeast wind 8 to 13 mph becoming east southeast after midnight.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Breezy, with a south southeast wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 31. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 34 mph.
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%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
Last Update:
7:36 pm CDT Apr 3, 2026
Forecast Valid:
8pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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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