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

45°F

7°C

Humidity 71%
Wind Speed N 7 mph
Barometer 29.85 in (1011.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 29 Mar 11:53 pm CDT
Extended Forecast for

9 Miles S Ortley SD

  • Overnight

    Overnight: Mostly clear, with a low around 34. East northeast wind around 11 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 63. East northeast wind 9 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Breezy, with an east wind 9 to 14 mph becoming north 17 to 22 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Breezy, with a north northwest wind 21 to 24 mph, with gusts as high as 34 mph.

    High: 41 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. Northeast wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow. Cloudy, with a high near 34. East wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 34 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 27. East wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 41. East wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 41 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 30. East wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 34. East northeast wind around 11 mph.
Monday
Mostly sunny, with a high near 63. East northeast wind 9 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Breezy, with an east wind 9 to 14 mph becoming north 17 to 22 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 41. Breezy, with a north northwest wind 21 to 24 mph, with gusts as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 22. Northeast wind 10 to 17 mph, with gusts as high as 26 mph.
Wednesday
A chance of snow. Cloudy, with a high near 34. East wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 27. East wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 41. East wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 30. East wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow before 1pm, then rain 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%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
A slight chance of snow. Mostly sunny, with a high near 39. Chance of precipitation is 20%.
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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:
12:36 am CDT Mar 30, 2026
Forecast Valid:
12am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation