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.

A Few Clouds

26°F

-3°C

Humidity 60%
Wind Speed SE 6 mph
Barometer 30.04 in (1019.9 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 13 Mar 10:53 pm CDT
Extended Forecast for

9 Miles S Ortley SD

Blizzard Warning March 15, 03:00am until March 15, 07:00pm
Winter Storm Warning March 14, 01:00pm until March 15, 03:00am
Click here for hazard details and duration
Blizzard Warning
Winter Storm Warning

  • Tonight

    Tonight: A chance of snow, mainly after 5am. Cloudy, with a low around 22. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 5pm. Cloudy, with a high near 31. Breezy, with an east southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 31 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 10pm. Low around 14. Blustery, with an east wind 20 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 14 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Mostly cloudy, with a high near 21. Windy, with a north wind 30 to 33 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 21 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Patchy blowing snow before 1am. Partly cloudy, with a low around -4. Blustery, with a north northwest wind 17 to 26 mph, with gusts as high as 43 mph.

    Low: -4 °F

    Patchy
    Blowing Snow
    and Blustery

  • Monday

    Monday: Sunny and cold, with a high near 8. North northwest wind around 14 mph, with gusts as high as 24 mph.

    High: 8 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -7. Northwest wind 7 to 10 mph becoming south after midnight.

    Low: -7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 31. South wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 31 °F

    Slight Chance
    Snow then
    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain, snow, and freezing rain before 1am. Mostly cloudy, with a low around 23. South wind 11 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Wintry Mix

Detailed Forecast

Tonight
A chance of snow, mainly after 5am. Cloudy, with a low around 22. Southeast wind around 7 mph. Chance of precipitation is 30%.
Saturday
Snow likely, mainly after 5pm. Cloudy, with a high near 31. Breezy, with an east southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 10pm. Low around 14. Blustery, with an east wind 20 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Sunday
Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Mostly cloudy, with a high near 21. Windy, with a north wind 30 to 33 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Patchy blowing snow before 1am. Partly cloudy, with a low around -4. Blustery, with a north northwest wind 17 to 26 mph, with gusts as high as 43 mph.
Monday
Sunny and cold, with a high near 8. North northwest wind around 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around -7. Northwest wind 7 to 10 mph becoming south after midnight.
Tuesday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 31. South wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Tuesday Night
A slight chance of rain, snow, and freezing rain before 1am. Mostly cloudy, with a low around 23. South wind 11 to 16 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 42.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 52.
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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:
10:36 pm CDT Mar 13, 2026
Forecast Valid:
11pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation