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.

Fog/Mist and Breezy

23°F

-5°C

Humidity 92%
Wind Speed N 22 mph
Barometer 29.86 in (1013.7 mb)
Dewpoint 21°F (-6°C)
Visibility 3.00 mi
Wind Chill8°F (-13°C)
Last update 6 Mar 11:53 pm CST
Extended Forecast for

Watertown SD

  • Overnight

    Overnight: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 20. Blustery, with a north northwest wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow
    and Blustery

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 10 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 46 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. West southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 32 mph.

    High: 61 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. North wind 10 to 13 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 11 to 14 mph, with gusts as high as 23 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 39. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 39 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. North wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 20. Blustery, with a north northwest wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 10 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 33. West southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 61. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 33. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.
Monday
Mostly sunny, with a high near 47. North wind 10 to 13 mph.
Monday Night
A chance of snow after midnight. Mostly cloudy, with a low around 26. East northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 39. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. North wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 48.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 38. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
12:31 am CST Mar 7, 2026
Forecast Valid:
12am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation