National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Overcast

31°F

-1°C

Humidity 67%
Wind Speed S 10 G 23 mph
Barometer 29.93 in (1014.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 3 Dec 12:56 pm EST
Extended Forecast for

Lacona NY

Winter Weather Advisory December 3, 09:00pm until December 4, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Cloudy, with a high near 34. South wind around 10 mph.

    High: 34 °F

    Cloudy

  • Tonight

    Tonight: Snow showers likely between 10pm and 4am, then snow after 4am. Steady temperature around 30. Southwest wind 10 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Chance Snow
    Showers then
    Snow

  • Thursday

    Thursday: Snow before 10am, then snow showers likely, mainly between 10am and 4pm. Patchy blowing snow between noon and 4pm. Temperature falling to around 19 by 5pm. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F⇓

    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A slight chance of snow showers after 1am. Partly cloudy, with a low around 4. Wind chill values as low as -5. Northwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    Low: 4 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 25. South wind 8 to 11 mph.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 17. South wind around 8 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 35. South wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 35 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Snow showers likely. Cloudy, with a low around 23. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.

    High: 30 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Cloudy, with a high near 34. South wind around 10 mph.
Tonight
Snow showers likely between 10pm and 4am, then snow after 4am. Steady temperature around 30. Southwest wind 10 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow before 10am, then snow showers likely, mainly between 10am and 4pm. Patchy blowing snow between noon and 4pm. Temperature falling to around 19 by 5pm. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A slight chance of snow showers after 1am. Partly cloudy, with a low around 4. Wind chill values as low as -5. Northwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 25. South wind 8 to 11 mph.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 17. South wind around 8 mph. Chance of precipitation is 20%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 35. South wind 8 to 10 mph. Chance of precipitation is 60%.
Saturday Night
Snow showers likely. Cloudy, with a low around 23. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 19.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lacona NY
 43.65°N 76.07°W (Elev. 554 ft)
Last Update:
12:36 pm EST Dec 3, 2025
Forecast Valid:
1pm EST Dec 3, 2025-6pm EST Dec 9, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation