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.

Fog/Mist

21°F

-6°C

Humidity 92%
Wind Speed NW 15 mph
Barometer 29.92 in (1015.7 mb)
Dewpoint 19°F (-7°C)
Visibility 3.00 mi
Wind Chill7°F (-14°C)
Last update 7 Mar 4:53 am CST
Extended Forecast for

9 Miles S Ortley SD

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 46. Breezy, with a northwest wind 10 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.

    High: 46 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 32 mph.

    Low: 35 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 36 mph.

    High: 62 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. West southwest wind 10 to 17 mph becoming north northwest after midnight. Winds could gust as high as 28 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. North wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow, mainly after midnight. Cloudy, with a low around 25. East northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow. Cloudy, with a high near 36. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 22. North northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 46. Breezy, with a northwest wind 10 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.
Tonight
Partly cloudy, with a low around 35. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 32 mph.
Sunday
Mostly sunny, with a high near 62. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 36 mph.
Sunday Night
Partly cloudy, with a low around 35. West southwest wind 10 to 17 mph becoming north northwest after midnight. Winds could gust as high as 28 mph.
Monday
Mostly sunny, with a high near 45. North wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
A chance of snow, mainly after midnight. Cloudy, with a low around 25. East northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tuesday
A chance of snow. Cloudy, with a high near 36. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 22. North northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 38. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 48. Breezy. Chance of precipitation is 20%.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 35. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ortley SD
 45.21°N 97.24°W (Elev. 1900 ft)
Last Update:
4:36 am CST Mar 7, 2026
Forecast Valid:
5am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation