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.

Mostly Cloudy

37°F

3°C

Humidity 73%
Wind Speed SW 13 mph
Barometer 29.61 in (1004.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 8 Mar 2:53 am CDT
Extended Forecast for

6 Miles WSW Watertown SD

  • Overnight

    Overnight: A slight chance of rain before 4am. Partly cloudy, with a steady temperature around 37. West southwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust 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 33. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 33 °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 26. Northeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 26 °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 13 to 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 23. North wind 10 to 14 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

Detailed Forecast

Overnight
A slight chance of rain before 4am. Partly cloudy, with a steady temperature around 37. West southwest wind around 10 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 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 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 26. Northeast wind 14 to 16 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 13 to 15 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 23. North wind 10 to 14 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 53. Breezy. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. 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 37. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
Last Update:
1:46 am CST Mar 8, 2026
Forecast Valid:
3am 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