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.

Unknown Precip Fog/Mist

30°F

-1°C

Humidity 92%
Wind Speed NE 13 mph
Barometer 30.03 in (1019.0 mb)
Dewpoint 28°F (-2°C)
Visibility 2.00 mi
Wind Chill20°F (-7°C)
Last update 3 Apr 4:53 pm CDT
Extended Forecast for

9 Miles S Ortley SD

Winter Storm Warning April 3, 05:23pm until April 4, 07:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning April 3, 05:23pm until April 4, 07:00pm

    NOW until 7:00pm Sat

    Winter Storm Warning

  • This Afternoon

    High: 31 °F

    Snow

  • Tonight

    Tonight: Snow, possibly mixed with freezing rain, becoming all snow after 1am. Low around 26. Northeast wind 7 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Wintry Mix
    then Snow

  • Saturday

    Saturday: Snow, mainly before 3pm. Patchy blowing snow after 10am. High near 32. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Snow and
    Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Patchy blowing snow before 9pm. Partly cloudy, with a low around 23. West northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 23 °F

    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37. West wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. North wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. North northeast wind 7 to 11 mph becoming east southeast after midnight.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 31. East northeast wind around 13 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow, possibly mixed with freezing rain, becoming all snow after 1am. Low around 26. Northeast wind 7 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow, mainly before 3pm. Patchy blowing snow after 10am. High near 32. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Patchy blowing snow before 9pm. Partly cloudy, with a low around 23. West northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 37. West wind 10 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 20. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 28. North wind 10 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 13. North northeast wind 7 to 11 mph becoming east southeast after midnight.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 37. Breezy, with a south southeast wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 31. Breezy.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 51. Breezy. Chance of precipitation is 20%.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 20%.
Thursday
A chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.
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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 pm CDT Apr 3, 2026
Forecast Valid:
5pm CDT Apr 3, 2026-6pm CDT Apr 10, 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