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 Snow Fog/Mist and Breezy

24°F

-4°C

Humidity 88%
Wind Speed NE 25 G 40 mph
Barometer 29.80 in (1011.5 mb)
Dewpoint 21°F (-6°C)
Visibility 0.75 mi
Wind Chill8°F (-13°C)
Last update 14 Mar 9:53 pm CDT
Extended Forecast for

Watertown SD

Blizzard Warning March 15, 03:00am until March 15, 07:00pm
Winter Storm Warning March 14, 10:40pm until March 15, 03:00am
Click here for hazard details and duration
Blizzard Warning
Winter Storm Warning
  •  
    Winter Storm Warning March 14, 10:40pm until March 15, 03:00am

    NOW until 3:00am Sun

    Winter Storm Warning

  • Tonight

    Low: 12 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow, mainly before 10am. The snow could be heavy at times. Widespread blowing snow, mainly before noon. Temperature falling to around 13 by 9am. Windy, with a north wind 30 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 21 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Patchy blowing snow before 3am. Partly cloudy, with a low around -5. Wind chill values as low as -26. Blustery, with a north northwest wind 18 to 25 mph, with gusts as high as 40 mph.

    Low: -5 °F

    Patchy
    Blowing Snow
    and Blustery

  • Monday

    Monday: Sunny and cold, with a high near 10. Wind chill values as low as -26. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 10 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -5. Northwest wind 5 to 8 mph becoming light and variable.

    Low: -5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 1pm, then snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 30. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    then Wintry
    Mix Likely

  • Tuesday Night

    Tuesday Night: A slight chance of rain, snow, and freezing rain before 1am. Mostly cloudy, with a low around 23. South wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: Partly sunny, with a high near 42. West northwest wind around 9 mph.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 12. Blustery, with a north northeast wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.
Sunday
Snow, mainly before 10am. The snow could be heavy at times. Widespread blowing snow, mainly before noon. Temperature falling to around 13 by 9am. Windy, with a north wind 30 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Patchy blowing snow before 3am. Partly cloudy, with a low around -5. Wind chill values as low as -26. Blustery, with a north northwest wind 18 to 25 mph, with gusts as high as 40 mph.
Monday
Sunny and cold, with a high near 10. Wind chill values as low as -26. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around -5. Northwest wind 5 to 8 mph becoming light and variable.
Tuesday
A chance of snow before 1pm, then snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 30. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Tuesday Night
A slight chance of rain, snow, and freezing rain before 1am. Mostly cloudy, with a low around 23. South wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 42. West northwest wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 32. West southwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 57.
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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:
10:32 pm CDT Mar 14, 2026
Forecast Valid:
10pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation