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.

Mostly Cloudy

69°F

21°C

Humidity 63%
Wind Speed NE 12 mph
Barometer 29.96 in (1013.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 27 May 3:53 am CDT
Extended Forecast for

Lily SD

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 59. East wind around 9 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers before 7am. Mostly sunny, with a high near 89. Southeast wind 5 to 8 mph. Chance of precipitation is 10%.

    High: 89 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly clear, with a low around 59. East southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. South southeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. Southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Southeast wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 58. Southeast wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 59. East wind around 9 mph. Chance of precipitation is 20%.
Wednesday
Isolated showers before 7am. Mostly sunny, with a high near 89. Southeast wind 5 to 8 mph. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly clear, with a low around 59. East southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 88. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 60. South southeast wind around 11 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 86. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 58. Southeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Southeast wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 58. Southeast wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
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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:
4:11 am CDT May 27, 2026
Forecast Valid:
4am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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