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

38°F

3°C

Humidity 73%
Wind Speed S 13 mph
Barometer 29.67 in (1006.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 7 Mar 10:53 pm CDT
Extended Forecast for

9 Miles S Ortley SD

  • Tonight

    Tonight: A chance of rain between 1am and 4am. Partly cloudy, with a low around 35. West wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy, with a southwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 61 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. West southwest wind 10 to 17 mph becoming north after midnight. Winds could gust as high as 29 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. Northeast wind 10 to 14 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 25. Northeast wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: A slight chance of snow after noon. Mostly cloudy, with a high near 37. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 37. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Northwest wind 6 to 10 mph becoming south after midnight.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain between 1am and 4am. Partly cloudy, with a low around 35. West wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 61. Breezy, with a southwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night
Partly cloudy, with a low around 33. West southwest wind 10 to 17 mph becoming north after midnight. Winds could gust as high as 29 mph.
Monday
Mostly sunny, with a high near 46. Northeast wind 10 to 14 mph.
Monday Night
A slight chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 25. Northeast wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of snow after noon. Mostly cloudy, with a high near 37. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 37. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 25. Northwest wind 6 to 10 mph becoming south after midnight.
Thursday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 27. Blustery. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 36. Breezy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 20%.
Saturday
A chance of snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
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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:
10:21 pm CST Mar 7, 2026
Forecast Valid:
10pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation