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

35°F

2°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 29.99 in (1017.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 6 May 4:53 am CDT
Extended Forecast for

Lily SD

  • Today

    Today: Partly sunny, with a high near 47. West northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. West northwest wind 6 to 11 mph becoming light and variable.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. South wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming southeast after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. West southwest wind 7 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. West northwest wind 7 to 13 mph becoming south southwest after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60. West northwest wind 11 to 17 mph becoming north in the morning. Winds could gust as high as 25 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. North northeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 47. West northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 30. West northwest wind 6 to 11 mph becoming light and variable.
Thursday
Sunny, with a high near 58. South wind 5 to 10 mph becoming west northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming southeast after midnight.
Friday
Mostly sunny, with a high near 66. West southwest wind 7 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Partly cloudy, with a low around 41. West northwest wind 7 to 13 mph becoming south southwest after midnight.
Saturday
Partly sunny, with a high near 60. West northwest wind 11 to 17 mph becoming north in the morning. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 34. North northeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Sunday
Mostly sunny, with a high near 57. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 68.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lily SD
 45.18°N 97.7°W (Elev. 1824 ft)
Last Update:
4:36 am CDT May 6, 2026
Forecast Valid:
5am CDT May 6, 2026-6pm CDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation