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

40°F

4°C

Humidity 65%
Wind Speed S 13 mph
Barometer 29.82 in (1011.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Mar 2:53 pm CST
Extended Forecast for

Lily SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. Southwest wind around 18 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. West southwest wind 11 to 18 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy, with a west southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 61 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, 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

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 46. North northeast wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after midnight. Mostly cloudy, with a low around 26. East northeast wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow, mainly after noon. Mostly cloudy, with a high near 38. East northeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. North wind 9 to 15 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 36 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. Southwest wind around 18 mph.
Tonight
Mostly cloudy, with a low around 35. West southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 61. Breezy, with a west 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
Mostly clear, 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 46. North northeast wind 10 to 14 mph, with gusts as high as 22 mph.
Monday Night
A chance of snow after midnight. Mostly cloudy, with a low around 26. East northeast wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 38. East northeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 22. North wind 9 to 15 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 36. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 35. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lily SD
 45.18°N 97.67°W (Elev. 1821 ft)
Last Update:
2:36 pm CST Mar 7, 2026
Forecast Valid:
3pm CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation