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

24°F

-4°C

Humidity 84%
Wind Speed S 14 mph
Barometer 29.68 in (1008.2 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 17 Mar 9:53 pm CDT
Extended Forecast for

Naples SD

  • Tonight

    Tonight: Partly cloudy, with a low around 21. South southwest wind around 9 mph becoming west after midnight.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. West southwest wind 8 to 11 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Southwest wind 7 to 9 mph becoming northwest after midnight.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before noon. Otherwise, mostly sunny, with a high near 52. North northwest wind 7 to 10 mph becoming southwest in the afternoon.

    High: 52 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. South southwest wind around 10 mph.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64. West northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. West northwest wind around 10 mph becoming south after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. West southwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 32. North wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. South southwest wind around 9 mph becoming west after midnight.
Wednesday
Partly sunny, with a high near 44. West southwest wind 8 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 31. Southwest wind 7 to 9 mph becoming northwest after midnight.
Thursday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 52. North northwest wind 7 to 10 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 38. South southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 64. West northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 41. West northwest wind around 10 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 70. West southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 32. North wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 20%.
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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:
9:36 pm CDT Mar 17, 2026
Forecast Valid:
10pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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