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

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

-7°F

-22°C

Humidity 100%
Wind Speed E 5 mph
Barometer 30.33 in (1028.7 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-19°F (-28°C)
Last update 8 Dec 6:56 pm EST
Extended Forecast for

3 Miles ESE Henderson Harbor NY

Winter Storm Watch December 10, 04:00am until December 11, 07:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A slight chance of snow showers after 1am. Increasing clouds, with a low around 0. Wind chill values as low as -10. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 0 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly between 3pm and 5pm. Mostly cloudy, with a high near 29. Wind chill values as low as -5. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Mostly Cloudy
    then Snow
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Snow likely before 1am, then a chance of snow showers between 1am and 4am, then snow after 4am. Low around 21. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow

  • Wednesday

    Wednesday: Snow before 10am, then rain, possibly mixed with snow. High near 36. South wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 1am. Low around 17. Southwest wind around 17 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 17 °F

    Rain/Snow

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 26. West wind 13 to 15 mph. Chance of precipitation is 50%.

    High: 26 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 12. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 12 °F

    Snow Showers
    Likely

  • Friday

    Friday: A chance of snow showers. Partly sunny, with a high near 27. West wind 7 to 10 mph. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
A slight chance of snow showers after 1am. Increasing clouds, with a low around 0. Wind chill values as low as -10. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.
Tuesday
Snow showers likely, mainly between 3pm and 5pm. Mostly cloudy, with a high near 29. Wind chill values as low as -5. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow likely before 1am, then a chance of snow showers between 1am and 4am, then snow after 4am. Low around 21. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow before 10am, then rain, possibly mixed with snow. High near 36. South wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 1am. Low around 17. Southwest wind around 17 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 26. West wind 13 to 15 mph. Chance of precipitation is 50%.
Thursday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 12. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
A chance of snow showers. Partly sunny, with a high near 27. West wind 7 to 10 mph. Chance of precipitation is 40%.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.
Sunday
A chance of snow showers. Partly sunny, with a high near 21. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Henderson Harbor NY
 43.84°N 76.09°W (Elev. 541 ft)
Last Update:
6:36 pm EST Dec 8, 2025
Forecast Valid:
7pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation