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.

Overcast

39°F

4°C

Humidity 70%
Wind Speed SW 10 mph
Barometer 29.62 in (1004.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Mar 3:53 am CDT
Extended Forecast for

Watertown SD

  • Today

    Today: Mostly sunny, with a high near 60. Breezy, with a west southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 60 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. North northeast wind 10 to 13 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 25. Northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 25 °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 14 mph. Chance of precipitation is 20%.

    High: 39 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 23. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Northwest wind 6 to 9 mph becoming south after midnight.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow after 1pm. Mostly cloudy, with a high near 50. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 60. Breezy, with a west southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Partly cloudy, with a low around 32. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 48. North northeast wind 10 to 13 mph.
Monday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 25. Northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 39. Northeast wind around 14 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 38. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 22. Northwest wind 6 to 9 mph becoming south after midnight.
Thursday
A slight chance of rain and snow after 1pm. Mostly cloudy, with a high near 50. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
3:26 am CDT Mar 8, 2026
Forecast Valid:
4am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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