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.

Overcast

24°F

-4°C

Humidity 88%
Wind Speed N 13 mph
Barometer 30.00 in (1018.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 11 Mar 1:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. North wind around 9 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow between 2pm and 4pm. Mostly sunny, with a high near 37. North northwest wind around 10 mph becoming west in the afternoon. Chance of precipitation is 40%.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. West northwest wind 6 to 9 mph becoming south after midnight.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Increasing clouds, with a high near 45. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 50%.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 21. Windy, with a northwest wind 26 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Friday

    Friday: Mostly cloudy, with a high near 32. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 32 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 22. Northeast wind 7 to 9 mph becoming southeast after midnight. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 1pm. Cloudy, with a high near 32. East southeast wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 32 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: Snow likely. Cloudy, with a low around 14. Blustery, with an east northeast wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

    Low: 14 °F

    Snow Likely
    and Blustery

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. North wind around 9 mph.
Wednesday
A chance of snow between 2pm and 4pm. Mostly sunny, with a high near 37. North northwest wind around 10 mph becoming west in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 22. West northwest wind 6 to 9 mph becoming south after midnight.
Thursday
A slight chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Increasing clouds, with a high near 45. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 21. Windy, with a northwest wind 26 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 32. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 22. Northeast wind 7 to 9 mph becoming southeast after midnight. Chance of precipitation is 40%.
Saturday
Snow likely, mainly after 1pm. Cloudy, with a high near 32. East southeast wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
Snow likely. Cloudy, with a low around 14. Blustery, with an east northeast wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Sunday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 23. Blustery. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 3. Blustery.
Monday
Mostly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 6.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 30. 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:
1:31 am CDT Mar 11, 2026
Forecast Valid:
1am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation