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.

Overcast

29°F

-2°C

Humidity 63%
Wind Speed E 8 G 16 mph
Barometer 29.96 in (1017.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 14 Mar 11:53 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 14, 01:00pm until March 15, 03:00am
Click here for hazard details and duration
Blizzard Warning
Winter Storm Warning

  • This Afternoon

    This Afternoon: Snow likely, mainly before 1pm. Patchy blowing snow after 4pm. Cloudy, with a high near 29. Breezy, with an east wind 9 to 14 mph increasing to 15 to 20 mph. Winds could gust as high as 30 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around 10. Windy, with an east wind 21 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 10 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow, mainly before 10am. The snow could be heavy at times. Widespread blowing snow, mainly before 1pm. Temperature falling to around 11 by 9am. Windy, with a north wind 31 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 19 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Widespread blowing snow, mainly before 7pm. Partly cloudy, with a low around -6. Wind chill values as low as -27. Blustery, with a north northwest wind 18 to 28 mph, with gusts as high as 44 mph.

    Low: -6 °F

    Blowing Snow
    and Blustery

  • Monday

    Monday: Sunny and cold, with a high near 7. North northwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 7 °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: A chance of snow before 1pm, then snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 32. South wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

    High: 32 °F

    Chance Snow
    then Wintry
    Mix Likely

  • Tuesday Night

    Tuesday Night: A slight chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 24. South southwest wind 11 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. West wind around 11 mph.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly before 1pm. Patchy blowing snow after 4pm. Cloudy, with a high near 29. Breezy, with an east wind 9 to 14 mph increasing to 15 to 20 mph. Winds could gust as high as 30 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around 10. Windy, with an east wind 21 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Sunday
Snow, mainly before 10am. The snow could be heavy at times. Widespread blowing snow, mainly before 1pm. Temperature falling to around 11 by 9am. Windy, with a north wind 31 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Widespread blowing snow, mainly before 7pm. Partly cloudy, with a low around -6. Wind chill values as low as -27. Blustery, with a north northwest wind 18 to 28 mph, with gusts as high as 44 mph.
Monday
Sunny and cold, with a high near 7. North northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around -5. Northwest wind 5 to 8 mph becoming south after midnight.
Tuesday
A chance of snow before 1pm, then snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 32. South wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Tuesday Night
A slight chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 24. South southwest wind 11 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 40. West wind around 11 mph.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 57.
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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:
11:47 am CDT Mar 14, 2026
Forecast Valid:
12pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation