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.

Fair

47°F

8°C

Humidity 44%
Wind Speed S 10 mph
Barometer 29.86 in (1012.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 29 Mar 10:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

  • Today

    Today: Sunny, with a high near 67. South southwest wind 6 to 8 mph becoming northwest in the afternoon.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. North wind 8 to 10 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. East northeast wind 9 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain between 1am and 2am. Mostly cloudy, with a low around 33. Breezy, with a north wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Breezy, with a north northwest wind 21 to 24 mph, with gusts as high as 37 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. North wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow after 1pm. Mostly cloudy, with a high near 39. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 27. East wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 41. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    High: 41 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 67. South southwest wind 6 to 8 mph becoming northwest in the afternoon.
Tonight
Partly cloudy, with a low around 34. North wind 8 to 10 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 64. East northeast wind 9 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
A slight chance of rain between 1am and 2am. Mostly cloudy, with a low around 33. Breezy, with a north wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 42. Breezy, with a north northwest wind 21 to 24 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 21. North wind 10 to 17 mph, with gusts as high as 28 mph.
Wednesday
A chance of snow after 1pm. Mostly cloudy, with a high near 39. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 27. East wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 41. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Breezy. Chance of precipitation is 30%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
Last Update:
11:36 am CDT Mar 29, 2026
Forecast Valid:
11am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation