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.

A Few Clouds

69°F

21°C

Humidity 49%
Wind Speed NW 14 G 25 mph
Barometer 30.01 in (1015.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 24 Jun 6:53 pm CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Tonight

    Tonight: Mostly clear, with a low around 51. Northwest wind 11 to 16 mph becoming light west northwest after midnight. Winds could gust as high as 24 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76. North northwest wind 3 to 6 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. East southeast wind around 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. Southeast wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63. Southeast wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

    High: 84 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Breezy, with a southeast wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 96. Southeast wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. Southwest wind 7 to 9 mph becoming south southeast in the evening. Chance of precipitation is 20%.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Northwest wind 11 to 16 mph becoming light west northwest after midnight. Winds could gust as high as 24 mph.
Thursday
Mostly sunny, with a high near 76. North northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 56. East southeast wind around 6 mph.
Friday
Partly sunny, with a high near 80. Southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 63. Southeast wind 13 to 15 mph, with gusts as high as 26 mph.
Saturday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Breezy, with a southeast wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Sunday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 96. Southeast wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. Southwest wind 7 to 9 mph becoming south southeast in the evening. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 94. Breezy. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 64. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 65. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
6:36 pm CDT Jun 24, 2026
Forecast Valid:
7pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation