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.

Fair

60°F

16°C

Humidity 42%
Wind Speed W 7 mph
Barometer 29.69 in (1004.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 May 10:53 pm CDT
Extended Forecast for

3 Miles NE Naples SD

Red Flag Warning May 15, 09:00am until May 15, 07:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southwest wind 7 to 9 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. West wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. West wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79. North northwest wind 6 to 11 mph becoming east in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. Breezy, with an east wind 15 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Mostly Cloudy
    then Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 1pm. High near 75. Breezy, with an east southeast wind 16 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 45. North northwest wind 15 to 17 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly after 1pm. Cloudy, with a high near 62. Breezy, with a north northwest wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 38. Breezy, with a north northwest wind 21 to 25 mph. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Southwest wind 7 to 9 mph.
Friday
Sunny, with a high near 81. West wind 9 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 47. West wind 7 to 15 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 79. North northwest wind 6 to 11 mph becoming east in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. Breezy, with an east wind 15 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, with thunderstorms also possible after 1pm. High near 75. Breezy, with an east southeast wind 16 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 45. North northwest wind 15 to 17 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly after 1pm. Cloudy, with a high near 62. Breezy, with a north northwest wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 38. Breezy, with a north northwest wind 21 to 25 mph. Chance of precipitation is 70%.
Tuesday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 61.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Naples SD
 44.8°N 97.47°W (Elev. 1729 ft)
Last Update:
11:06 pm CDT May 14, 2026
Forecast Valid:
11pm CDT May 14, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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