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.

Light Snow Fog/Mist

24°F

-4°C

Humidity 88%
Wind Speed NE 18 G 30 mph
Barometer 29.76 in (1010.1 mb)
Dewpoint 21°F (-6°C)
Visibility 1.25 mi
Wind Chill10°F (-12°C)
Last update 15 Mar 1:53 am CDT
Extended Forecast for

9 Miles S Ortley SD

Blizzard Warning March 15, 03:00am until March 15, 07:00pm
Winter Storm Warning March 15, 02:55am until March 15, 03:00am
Click here for hazard details and duration
Blizzard Warning
Winter Storm Warning
  •  
    Winter Storm Warning March 15, 02:55am until March 15, 03:00am

    NOW until 3:00am Sun

    Winter Storm Warning

  • Overnight

    Low: 22 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow, mainly before 11am. Widespread blowing snow, mainly before 11am. Temperature falling to around 11 by 9am. Windy, with a north northwest wind 29 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 21 °F⇓

    Snow and
    Blowing Snow
    then Areas
    Blowing Snow
    and Windy

  • Sunday Night

    Sunday Night: Areas of blowing snow before 4am. Partly cloudy, with a low around -5. Wind chill values as low as -25. Blustery, with a north northwest wind 18 to 26 mph, with gusts as high as 41 mph.

    Low: -5 °F

    Areas Blowing
    Snow and
    Blustery

  • Monday

    Monday: Sunny and cold, with a high near 8. Wind chill values as low as -26. North northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 8 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -5. Northwest wind 5 to 8 mph becoming south after midnight.

    Low: -5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Snow, mainly after 1pm. High near 30. South wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 22. South southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Widespread blowing snow. Steady temperature around 22. Blustery, with a north northeast wind 24 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Sunday
Snow, mainly before 11am. Widespread blowing snow, mainly before 11am. Temperature falling to around 11 by 9am. Windy, with a north northwest wind 29 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Areas of blowing snow before 4am. Partly cloudy, with a low around -5. Wind chill values as low as -25. Blustery, with a north northwest wind 18 to 26 mph, with gusts as high as 41 mph.
Monday
Sunny and cold, with a high near 8. Wind chill values as low as -26. North northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around -5. Northwest wind 5 to 8 mph becoming south after midnight.
Tuesday
Snow, mainly after 1pm. High near 30. South wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
A slight chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 22. South southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 40. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 32. West wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 53.
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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:
2:36 am CDT Mar 15, 2026
Forecast Valid:
2am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation