Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Overcast

32°F

0°C

Humidity 64%
Wind Speed S 9 G 22 mph
Barometer 29.57 in (1001.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 10 Dec 3:56 am EST
Extended Forecast for

Lacona NY

Winter Storm Warning until December 11, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until December 11, 01:00pm

    NOW until 1:00pm Thu

    Winter Storm Warning

  • Overnight

    Low: 30 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow before noon, then snow, possibly mixed with rain. The snow could be heavy at times.  High near 37. South wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F

    Heavy Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after midnight.  Low around 16. South wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers.  High near 23. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 23 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers likely.  Mostly cloudy, with a low around 16. West wind 11 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%.

    Low: 16 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely, mainly after 1pm.  Mostly cloudy, with a high near 29. West wind 8 to 10 mph.  Chance of precipitation is 60%.

    High: 29 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Snow showers likely, mainly before 1am.  Cloudy, with a low around 18. West wind around 6 mph becoming south after midnight.  Chance of precipitation is 70%.

    Low: 18 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers.  High near 30. Southwest wind 6 to 11 mph.  Chance of precipitation is 80%.

    High: 30 °F

    Snow Showers

Detailed Forecast

Overnight
A chance of snow showers. Cloudy, with a steady temperature around 30. South wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow before noon, then snow, possibly mixed with rain. The snow could be heavy at times. High near 37. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Rain and snow, becoming all snow after midnight. Low around 16. South wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 23. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 16. West wind 11 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Friday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 29. West wind 8 to 10 mph. Chance of precipitation is 60%.
Friday Night
Snow showers likely, mainly before 1am. Cloudy, with a low around 18. West wind around 6 mph becoming south after midnight. Chance of precipitation is 70%.
Saturday
Snow showers. High near 30. Southwest wind 6 to 11 mph. Chance of precipitation is 80%.
Saturday Night
Snow showers. Low around 17. Chance of precipitation is 80%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 5. Chance of precipitation is 40%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.
Monday Night
Snow showers likely. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Tuesday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lacona NY
 43.65°N 76.07°W (Elev. 554 ft)
3:36 am EST Dec 10, 2025
4am EST Dec 10, 2025-6pm EST Dec 16, 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