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

23°F

-5°C

Humidity 92%
Wind Speed Calm
Barometer 30.35 in (1030.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 23 Mar 2:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

  • Overnight

    Overnight: Mostly clear, with a low around 22. Light south wind.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: A chance of sprinkles between 3pm and 4pm, then a slight chance of showers after 4pm. Increasing clouds, with a high near 47. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    High: 47 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. South wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Southeast wind 8 to 11 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. South southeast wind 8 to 10 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. West wind around 10 mph becoming east in the afternoon.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 34. Southwest wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain and snow before 1pm. Partly sunny, with a high near 45. Breezy, with a north wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Blustery, with a north wind 13 to 22 mph, with gusts as high as 32 mph.

    Low: 15 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 22. Light south wind.
Monday
A chance of sprinkles between 3pm and 4pm, then a slight chance of showers after 4pm. Increasing clouds, with a high near 47. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. South wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 54. Southeast wind 8 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South southeast wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 64. West wind around 10 mph becoming east in the afternoon.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 34. Southwest wind 8 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday
A slight chance of rain and snow before 1pm. Partly sunny, with a high near 45. Breezy, with a north wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 15. Blustery, with a north wind 13 to 22 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 60.
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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:
2:36 am CDT Mar 23, 2026
Forecast Valid:
3am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
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