Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

89°F

32°C

Humidity 61%
Wind Speed S 18 G 28 mph
Barometer 29.53 in (998.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 29 Jun 5:53 pm CDT
Extended Forecast for

5 Miles W Castlewood SD

Severe T-storm Watch until June 30, 12:00am
Heat Advisory June 29, 06:56pm until June 29, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
...
  •  
    Severe T-storm Watch until June 30, 12:00am
    Heat Advisory June 29, 06:56pm until June 29, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 64 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 4am, then a chance of showers after 5am.  Increasing clouds, with a low around 64. West southwest wind 5 to 7 mph becoming southeast after midnight.  Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 85. South southwest wind 7 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. West wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 90. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. Southeast wind 6 to 10 mph becoming south southwest after midnight.  Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny and hot, with a high near 90. Southeast wind 7 to 9 mph.

    High: 90 °F

    Hot

Detailed Forecast

Tonight
A slight chance of showers before 7pm. Partly cloudy, with a low around 64. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 85. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of showers before 4am, then a chance of showers after 5am. Increasing clouds, with a low around 64. West southwest wind 5 to 7 mph becoming southeast after midnight. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South southwest wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 64. West wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 90. South southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Southeast wind 6 to 10 mph becoming south southwest after midnight. Chance of precipitation is 70%.
Friday
Mostly sunny and hot, with a high near 90. Southeast wind 7 to 9 mph.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 69. East southeast wind around 10 mph. Chance of precipitation is 60%.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Saturday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Castlewood SD
 44.74°N 97.14°W (Elev. 1801 ft)
6:31 pm CDT Jun 29, 2026
6pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
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Additional Resources

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