National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

64°F

18°C

Humidity 75%
Wind Speed SW 8 mph
Barometer 29.73 in (1005.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 30 Jun 5:53 am CDT
Extended Forecast for

Lily SD

  • Today

    Today: Sunny, with a high near 82. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Southwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 9am. Cloudy through mid morning, then gradual clearing, with a high near 84. South southeast wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph becoming light and variable.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Southeast wind 9 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 88. East wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 67. East wind 11 to 13 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. East wind around 10 mph. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Tonight
Increasing clouds, with a low around 63. Southwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.
Wednesday
A chance of showers and thunderstorms before 9am. Cloudy through mid morning, then gradual clearing, with a high near 84. South southeast wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph becoming light and variable.
Thursday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Southeast wind 9 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 88. East wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 67. East wind 11 to 13 mph. Chance of precipitation is 60%.
Independence Day
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. East wind around 10 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 86.
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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:
6:36 am CDT Jun 30, 2026
Forecast Valid:
6am CDT Jun 30, 2026-6pm CDT Jul 6, 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