Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

17°F

-8°C

Humidity 84%
Wind Speed N 20 mph
Barometer 29.91 in (1015.5 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 3 Dec 1:53 am CST
Extended Forecast for

4 Miles W Vienna SD

  • Overnight

    Overnight: Scattered flurries after 3am.  Mostly cloudy, with a low around 4. North wind 14 to 18 mph.

    Low: 4 °F

    Scattered
    Flurries

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny and cold, with a temperature falling to around 0 by 5pm. North wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 9 °F

    Cold

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -9. Wind chill values as low as -20. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: -9 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 25. South wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 25 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18. South southwest wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow.  Mostly cloudy, with a high near 27. West wind 7 to 10 mph.  Chance of precipitation is 20%.

    High: 27 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10. West wind 7 to 10 mph becoming northeast after midnight.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow, mainly after noon.  Mostly cloudy, with a high near 18. East northeast wind 8 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 18 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow.  Mostly cloudy, with a low around 0. East northeast wind 9 to 13 mph.  Chance of precipitation is 40%.

    Low: 0 °F

    Chance Snow

Detailed Forecast

Overnight
Scattered flurries after 3am. Mostly cloudy, with a low around 4. North wind 14 to 18 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny and cold, with a temperature falling to around 0 by 5pm. North wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around -9. Wind chill values as low as -20. Light and variable wind becoming south 5 to 10 mph after midnight.
Thursday
Increasing clouds, with a high near 25. South wind 13 to 18 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 18. South southwest wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.
Friday
A slight chance of snow. Mostly cloudy, with a high near 27. West wind 7 to 10 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 10. West wind 7 to 10 mph becoming northeast after midnight.
Saturday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 18. East northeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 0. East northeast wind 9 to 13 mph. Chance of precipitation is 40%.
Sunday
A slight chance of snow before noon. Mostly cloudy, with a high near 13. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
A chance of snow. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Vienna SD
 44.69°N 97.59°W (Elev. 1759 ft)
1:31 am CST Dec 3, 2025
2am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database