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.

Overcast

71°F

22°C

Humidity 53%
Wind Speed SE 5 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 25 Jun 7:53 pm CDT
Extended Forecast for

Naples SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Calm wind becoming east southeast 5 to 9 mph in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between 11am and noon. Partly sunny, with a high near 80. Southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Southeast wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Breezy, with a south southeast wind 21 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    High: 82 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 95. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South southeast wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 31 mph.

    High: 95 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67. South southwest wind 8 to 15 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Calm wind becoming east southeast 5 to 9 mph in the evening.
Friday
A slight chance of showers between 11am and noon. Partly sunny, with a high near 80. Southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 63. Southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Breezy, with a south southeast wind 21 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 95. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 74. South southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny and hot, with a high near 95. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 31 mph.
Monday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67. South southwest wind 8 to 15 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 68. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Thursday
Mostly sunny and hot, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Naples SD
 44.77°N 97.5°W (Elev. 1742 ft)
Last Update:
7:36 pm CDT Jun 25, 2026
Forecast Valid:
7pm CDT Jun 25, 2026-6pm CDT Jul 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