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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

22°F

-6°C

Humidity 96%
Wind Speed NW 8 mph
Barometer 29.93 in (1016.0 mb)
Dewpoint 21°F (-6°C)
Visibility 4.00 mi
Wind Chill13°F (-11°C)
Last update 7 Mar 8:53 am CST
Extended Forecast for

Watertown SD

  • Today

    Today: A chance of flurries before 9am. Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. West northwest wind 13 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 47 °F

    Chance
    Flurries and
    Areas Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 62 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. West southwest wind 11 to 17 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. North wind 11 to 14 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after midnight. Mostly cloudy, with a low around 26. East northeast wind 14 to 17 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow, mainly before noon. Mostly cloudy, with a high near 38. East northeast wind 14 to 16 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. North wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Northwest wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries before 9am. Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. West northwest wind 13 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Tonight
Partly cloudy, with a low around 34. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 62. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 35. West southwest wind 11 to 17 mph becoming north after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 47. North wind 11 to 14 mph.
Monday Night
A chance of snow after midnight. Mostly cloudy, with a low around 26. East northeast wind 14 to 17 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 38. East northeast wind 14 to 16 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. North wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 40. Northwest wind 9 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 49. Breezy.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 37. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.17°W (Elev. 1755 ft)
Last Update:
8:36 am CST Mar 7, 2026
Forecast Valid:
8am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Chance of Precipitation