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.

Overcast and Breezy

31°F

-1°C

Humidity 96%
Wind Speed N 21 G 32 mph
Barometer 29.94 in (1014.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 22 Mar 3:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

  • Overnight

    Overnight: A chance of sprinkles. Mostly cloudy, with a low around 28. Blustery, with a north wind around 24 mph, with gusts as high as 37 mph.

    Low: 28 °F

    Chance
    Sprinkles and
    Blustery

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 41. Breezy, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 41 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. North northwest wind 5 to 9 mph becoming south southeast after midnight.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: A chance of sprinkles after 1pm. Increasing clouds, with a high near 49. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 49 °F

    Chance
    Sprinkles

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. East wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 51 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. East northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. East northeast wind 10 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Southwest wind 10 to 14 mph becoming north northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
A chance of sprinkles. Mostly cloudy, with a low around 28. Blustery, with a north wind around 24 mph, with gusts as high as 37 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 41. Breezy, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Mostly clear, with a low around 26. North northwest wind 5 to 9 mph becoming south southeast after midnight.
Monday
A chance of sprinkles after 1pm. Increasing clouds, with a high near 49. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Partly cloudy, with a low around 32. South wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 51. East wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 34. East northeast wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 61. East northeast wind 10 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Southwest wind 10 to 14 mph becoming north northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 43. Breezy.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 49.
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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 CDT Mar 22, 2026
Forecast Valid:
4am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation