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.

Partly Cloudy

37°F

3°C

Humidity 73%
Wind Speed SW 6 mph
Barometer 29.63 in (1004.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Mar 4:53 am CDT
Extended Forecast for

3 Miles NW Watertown Municipal Airport SD

  • Today

    Today: Mostly sunny, with a high near 61. Breezy, with a southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 61 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 34. West southwest wind 11 to 17 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. North northeast wind 10 to 13 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 27. Northeast wind 14 to 18 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Northeast wind around 15 mph. Chance of precipitation is 20%.

    High: 39 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 24. North wind around 14 mph. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Northwest wind 7 to 10 mph becoming south after midnight.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 52. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 52 °F

    Mostly Cloudy
    then Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 61. Breezy, with a southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Partly cloudy, with a low around 34. 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 northeast wind 10 to 13 mph.
Monday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 27. Northeast wind 14 to 18 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Northeast wind around 15 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 24. North wind around 14 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 37. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind 7 to 10 mph becoming south after midnight.
Thursday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 52. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 36. Breezy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Watertown Municipal Airport SD
 44.95°N 97.21°W (Elev. 1680 ft)
Last Update:
4:36 am CDT Mar 8, 2026
Forecast Valid:
5am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation