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 and Breezy

64°F

18°C

Humidity 70%
Wind Speed S 23 G 37 mph
Barometer 29.39 in (994.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Jun 11:53 pm CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 4am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 57. Breezy, with a south wind 17 to 22 mph decreasing to 11 to 16 mph. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 69. Breezy, with a west northwest wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 7pm, then a slight chance of showers and thunderstorms between 7pm and 8pm. Low around 50. North northwest wind 7 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 69. Northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: A slight chance of thunderstorms before 7am. Sunny, with a high near 76. Southwest wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 10%.

    High: 76 °F

    Slight Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. East wind 5 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 55. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 4am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 57. Breezy, with a south wind 17 to 22 mph decreasing to 11 to 16 mph. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 69. Breezy, with a west northwest wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 7pm, then a slight chance of showers and thunderstorms between 7pm and 8pm. Low around 50. North northwest wind 7 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 69. Northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Juneteenth
A slight chance of thunderstorms before 7am. Sunny, with a high near 76. Southwest wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 10%.
Friday Night
Partly cloudy, with a low around 52. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 77. East wind 5 to 9 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
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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:
12:16 am CDT Jun 17, 2026
Forecast Valid:
12am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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