Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Light Snow

30°F

-1°C

Humidity	86%
Wind Speed	W 7 mph
Barometer	30.02 in
Dewpoint	27°F (-3°C)
Visibility	1.25 mi
Wind Chill	23°F (-5°C)
Last update	7 Dec 6:15 pm EST

More Information:

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

Extended Forecast for

5 Miles S Alton NY

Tonight
Low: 14 °F
Snow Likely
then Slight
Chance Snow
Showers
Monday
High: 22 °F
Mostly Sunny
Monday Night
Low: 10 °F
Partly Cloudy
Tuesday
High: 33 °F
Mostly Cloudy
then Chance
Snow Showers
Tuesday Night
Low: 26 °F
Chance Snow
Showers then
Snow Likely
Wednesday
High: 40 °F
Rain/Snow
Wednesday Night
Low: 25 °F
Rain/Snow
Likely
Thursday
High: 31 °F
Chance Snow
Showers
Thursday Night
Low: 21 °F
Chance Snow
Showers

Detailed Forecast

Tonight

Snow likely before 7pm, then a chance of snow showers, mainly between 7pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 14. West wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.

Monday

Mostly sunny, with a high near 22. North wind 3 to 6 mph.

Monday Night

Partly cloudy, with a low around 10. Calm wind becoming south around 6 mph after midnight.

Tuesday

A chance of snow showers after 1pm. Mostly cloudy, with a high near 33. South wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Tuesday Night

A chance of snow showers before 1am, then snow likely after 1am. Cloudy, with a low around 26. Southwest wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

Wednesday

Rain, possibly mixed with snow, becoming all rain after 1pm. High near 40. South wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain and snow likely before 1am, then a chance of snow. Cloudy, with a low around 25. West wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Thursday

A chance of snow showers. Mostly cloudy, with a high near 31. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Thursday Night

A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

Friday

A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.

Friday Night

A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.

Saturday

A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.

Saturday Night

A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.