Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed S 7 mph
Barometer 29.84 in (1009.6 mb)
Dewpoint 67°F (19°C)
Visibility 2.50 mi
Last update 25 Jul 6:53 am CDT
Extended Forecast for

4 Miles ESE Watertown Municipal Airport SD

Heat Advisory July 25, 01:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny and hot, with a high near 95. South southwest wind 5 to 8 mph becoming north in the afternoon.

    High: 95 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am.  Mostly cloudy, with a low around 75. South southeast wind 6 to 9 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 98. Heat index values as high as 105. South wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South southwest wind 6 to 8 mph becoming north northwest after midnight.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. North wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. North northeast wind 5 to 7 mph becoming east after midnight.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 92. Light and variable wind becoming southeast 5 to 7 mph in the morning.  Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. East southeast wind 5 to 7 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 93. South wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 93 °F

    Hot

Detailed Forecast

Today
Mostly sunny and hot, with a high near 95. South southwest wind 5 to 8 mph becoming north in the afternoon.
Tonight
A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 75. South southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny and hot, with a high near 98. Heat index values as high as 105. South wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 72. South southwest wind 6 to 8 mph becoming north northwest after midnight.
Monday
Sunny and hot, with a high near 94. North wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 71. North northeast wind 5 to 7 mph becoming east after midnight.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 92. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 69. East southeast wind 5 to 7 mph.
Wednesday
Mostly sunny and hot, with a high near 93. South wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 68. Chance of precipitation is 30%.
Friday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Watertown Municipal Airport SD
 44.89°N 97.08°W (Elev. 1739 ft)
7:16 am CDT Jul 25, 2026
7am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
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Additional Resources

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