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 >

Hazardous Weather Conditions

Winter Storm Watch in effect from December 11, 01:00 AM EST until December 12, 07:00 AM EST

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Overcast

30°F

-1°C

Humidity	64%
Wind Speed	S 8 mph
Barometer	29.67 in
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	22°F (-6°C)
Last update	9 Dec 10:35 pm EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles NW Marion NY

Winter Storm Watch December 11, 01:00am until December 12, 07:00am

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 25 °F
Cloudy then
Snow
Wednesday
High: 40 °F
Rain/Snow
Wednesday Night
Low: 21 °F
Rain/Snow and
Patchy
Blowing Snow
Thursday
High: 28 °F
Snow Showers
and Patchy
Blowing Snow
Thursday Night
Low: 22 °F
Snow Showers
Likely
Friday
High: 32 °F
Chance Snow
Showers
Friday Night
Low: 20 °F
Mostly Cloudy
then Chance
Snow Showers
Saturday
High: 31 °F
Chance Snow
Showers
Saturday Night
Low: 18 °F
Snow Showers
Likely

Detailed Forecast

Tonight

A chance of snow showers between 4am and 5am, then snow after 5am. Low around 25. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

Wednesday

Rain and snow before 4pm, then rain likely between 4pm and 5pm, then rain, possibly mixed with snow after 5pm. High near 40. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Wednesday Night

Rain and snow, becoming all snow after 9pm. Patchy blowing snow between 11pm and 4am. Low around 21. Blustery, with a west wind 13 to 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday

Snow showers, mainly before 1pm. Patchy blowing snow after 11am. High near 28. West wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Friday

A chance of snow showers before 1pm. Mostly cloudy, with a high near 32. West wind 9 to 11 mph. Chance of precipitation is 30%.

Friday Night

A chance of snow showers after 1am. Mostly cloudy, with a low around 20. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.

Saturday

A chance of snow showers. Mostly cloudy, with a high near 31. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Saturday Night

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

Sunday

A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 50%.

Sunday Night

Mostly cloudy, with a low around 13.