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.

Freezing Fog

26°F

-3°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in (1016.8 mb)
Dewpoint 26°F (-3°C)
Visibility 0.25 mi
Last update 19 Mar 5:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

  • Today

    Today: Areas of fog between 9am and 11am. Areas of freezing fog between 8am and 9am. Otherwise, mostly sunny, with a high near 56. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 56 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. West southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. West wind 8 to 10 mph becoming south southwest after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. South southwest wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 32. North northeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow before 7am. Partly sunny, with a high near 40. North northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.

    High: 40 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. North northwest wind 6 to 13 mph becoming east southeast after midnight. Winds could gust as high as 21 mph.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 45. South wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Areas of fog between 9am and 11am. Areas of freezing fog between 8am and 9am. Otherwise, mostly sunny, with a high near 56. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Tonight
Partly cloudy, with a low around 38. West southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 62. West wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 41. West wind 8 to 10 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 69. South southwest wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 32. North northeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday
A slight chance of snow before 7am. Partly sunny, with a high near 40. North northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.
Sunday Night
Mostly clear, with a low around 22. North northwest wind 6 to 13 mph becoming east southeast after midnight. Winds could gust as high as 21 mph.
Monday
Partly sunny, with a high near 45. South wind 8 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 62.
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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:
6:11 am CDT Mar 19, 2026
Forecast Valid:
6am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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