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.

Blowing Snow and Windy

5°F

-15°C

Humidity 66%
Wind Speed N 29 G 38 mph
Barometer 30.25 in (1028.0 mb)
Dewpoint -4°F (-20°C)
Visibility 5.00 mi
Wind Chill-19°F (-28°C)
Last update 15 Mar 8:53 pm CDT
Extended Forecast for

Watertown SD

Winter Weather Advisory March 15, 09:27pm until March 16, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 15, 09:27pm until March 16, 01:00am

    NOW until 1:00am Mon

    Winter Weather Advisory

  • Tonight

    Low: -4 °F

    Patchy
    Blowing Snow
    and Blustery

  • Monday

    Monday: Sunny, with a high near 13. Wind chill values as low as -25. North northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 13 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -3. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: -3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Snow, mainly after 1pm. High near 31. South wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West northwest wind 7 to 10 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Northwest wind 6 to 13 mph becoming southwest in the afternoon.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Tonight
Patchy blowing snow. Mostly clear, with a low around -4. Wind chill values as low as -25. Blustery, with a north northwest wind 20 to 24 mph, with gusts as high as 41 mph.
Monday
Sunny, with a high near 13. Wind chill values as low as -25. North northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around -3. Northwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
Snow, mainly after 1pm. High near 31. South wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 43. West wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 32. West northwest wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 54. Northwest wind 6 to 13 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 39. South southwest wind around 10 mph.
Friday
Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
8:37 pm CDT Mar 15, 2026
Forecast Valid:
9pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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