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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Mostly Cloudy

23°F

-5°C

Humidity 55%
Wind Speed S 10 mph
Barometer 30.01 in (1017.5 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 9 Dec 11:56 am EST
Extended Forecast for

3 Miles SSE Cape Vincent NY

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

  • This Afternoon

    This Afternoon: A slight chance of snow showers before 1pm, then snow showers likely after 4pm. Cloudy, with a high near 30. Breezy, with a south wind 17 to 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.

    High: 30 °F

    Snow Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Snow likely before 11pm, then a chance of snow showers between 11pm and midnight, then snow after midnight. Low around 25. Breezy, with a south wind 17 to 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Rain, possibly mixed with snow. High near 39. South wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after 10pm. Low around 14. West wind 11 to 17 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 14 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers. Partly sunny, with a high near 23. West wind around 16 mph. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 14. West wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 14 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 29. West wind around 11 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 20. West wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Snow showers likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.

    High: 32 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
A slight chance of snow showers before 1pm, then snow showers likely after 4pm. Cloudy, with a high near 30. Breezy, with a south wind 17 to 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow likely before 11pm, then a chance of snow showers between 11pm and midnight, then snow after midnight. Low around 25. Breezy, with a south wind 17 to 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Rain, possibly mixed with snow. High near 39. South wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Rain and snow showers, becoming all snow after 10pm. Low around 14. West wind 11 to 17 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow showers. Partly sunny, with a high near 23. West wind around 16 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 14. West wind 10 to 15 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 29. West wind around 11 mph.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 20. West wind 6 to 8 mph. Chance of precipitation is 50%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 14. Chance of precipitation is 70%.
Sunday
A chance of snow showers. Partly sunny, with a high near 22. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Cape Vincent NY
 44.08°N 76.32°W (Elev. 302 ft)
Last Update:
12:36 pm EST Dec 9, 2025
Forecast Valid:
12pm EST Dec 9, 2025-6pm EST Dec 15, 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