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.

Fair

45°F

7°C

Humidity 49%
Wind Speed N 15 mph
Barometer 29.74 in (1008.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Mar 3:53 pm CDT
Extended Forecast for

3 Miles SSW Lily SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. North northeast wind around 11 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: A chance of snow, mainly before 2am. Increasing clouds, with a low around 26. Northeast wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    Low: 26 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow, mainly after 5pm. Mostly cloudy, with a high near 37. East northeast wind around 10 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly between 7pm and 1am. Cloudy, with a low around 23. North wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Northwest wind 8 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 25. West northwest wind 7 to 13 mph becoming south after midnight.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 47. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 24. North northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 35. North northwest wind 9 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 44. North northeast wind around 11 mph.
Tonight
A chance of snow, mainly before 2am. Increasing clouds, with a low around 26. Northeast wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Tuesday
A chance of snow, mainly after 5pm. Mostly cloudy, with a high near 37. East northeast wind around 10 mph becoming north in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Snow likely, mainly between 7pm and 1am. Cloudy, with a low around 23. North wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 37. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 25. West northwest wind 7 to 13 mph becoming south after midnight.
Thursday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 47. South southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 24. North northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Friday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 35. North northwest wind 9 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A chance of snow. Cloudy, with a low around 24. Chance of precipitation is 50%.
Saturday
Snow likely. Cloudy, with a high near 35. Chance of precipitation is 60%.
Saturday Night
Snow. The snow could be heavy at times. Low around 12. Blustery. Chance of precipitation is 80%.
Sunday
A chance of snow. Mostly cloudy, with a high near 20. Blustery. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Lily SD
 45.14°N 97.69°W (Elev. 1811 ft)
Last Update:
3:36 pm CDT Mar 9, 2026
Forecast Valid:
4pm CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation