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.

Overcast

29°F

-2°C

Humidity 96%
Wind Speed W 12 mph
Barometer 29.94 in (1016.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 4 Apr 4:53 am CDT
Extended Forecast for

Watertown SD

Winter Weather Advisory April 4, 05:17am until April 4, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 4, 05:17am until April 4, 07:00pm

    NOW until 7:00pm Sat

    Winter Weather Advisory

  • Today

    High: 34 °F

    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Patchy blowing snow before 8pm. Mostly cloudy, with a low around 24. West northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42. West wind 8 to 17 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 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. North wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. North northeast wind 6 to 10 mph becoming east southeast after midnight.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 40. South southeast wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Breezy, with a south southeast wind around 21 mph, with gusts as high as 31 mph.

    Low: 31 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Snow, mainly before 10am. Patchy blowing snow after 10am. High near 34. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Patchy blowing snow before 8pm. Mostly cloudy, with a low around 24. West northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 42. West wind 8 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 30. North wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 14. North northeast wind 6 to 10 mph becoming east southeast after midnight.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 40. South southeast wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 31. Breezy, with a south southeast wind around 21 mph, with gusts as high as 31 mph.
Wednesday
A slight chance of rain. Partly sunny, with a high near 57. Breezy, with a south wind 17 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
4:36 am CDT Apr 4, 2026
Forecast Valid:
5am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation