Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair and Windy

74°F

23°C

Humidity 26%
Wind Speed S 30 G 44 mph
Barometer 29.63 in (1002.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 16 Apr 11:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

Red Flag Warning until April 16, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until April 16, 08:00pm

    NOW until 8:00pm Thu

    Red Flag Warning

  • This Afternoon

    High: 81 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Breezy, with a northeast wind 9 to 14 mph becoming north 16 to 21 mph after midnight.

    Low: 33 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: A chance of rain showers before noon, then a chance of snow showers between noon and 1pm.  Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 40%.

    High: 41 °F

    Breezy.
    Chance
    Showers then
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 37 mph.

    Low: 22 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 41 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 30 mph.

    Low: 25 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 48. North northwest wind 7 to 10 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. Northeast wind 7 to 11 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Breezy, with a south southwest wind around 23 mph, with gusts as high as 33 mph.
Tonight
Increasing clouds, with a low around 33. Breezy, with a northeast wind 9 to 14 mph becoming north 16 to 21 mph after midnight.
Friday
A chance of rain showers before noon, then a chance of snow showers between noon and 1pm. Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 22. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 37 mph.
Saturday
Mostly sunny, with a high near 41. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 25. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 48. North northwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 32. Northeast wind 7 to 11 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 66. South southeast wind 13 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 69. Breezy. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
11:37 am CDT Apr 16, 2026
12pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database