Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Mostly Cloudy

18°F

-8°C

Humidity	49%
Wind Speed	SW 5 mph
Barometer	30.30 in
Dewpoint	1°F (-17°C)
Visibility	10.00 mi
Wind Chill	11°F (-12°C)
Last update	8 Dec 10:15 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: 9 °F
Partly Cloudy
Tuesday
High: 32 °F
Partly Sunny
then Snow
Showers
Likely
Tuesday Night
Low: 24 °F
Slight Chance
Snow Showers
then Snow
Likely
Wednesday
High: 39 °F
Rain/Snow
Wednesday Night
Low: 23 °F
Rain/Snow
Likely then
Snow
Thursday
High: 30 °F
Snow Showers
Thursday Night
Low: 20 °F
Snow Showers
Likely
Friday
High: 30 °F
Chance Snow
Showers
Friday Night
Low: 20 °F
Snow Showers
Likely

Detailed Forecast

Tonight

Partly cloudy, with a low around 9. Southwest wind around 5 mph becoming calm in the evening.

Tuesday

Snow showers likely, mainly after 4pm. Increasing clouds, with a high near 32. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

A chance of snow showers between 7pm and 4am, then snow likely after 4am. Cloudy, with a low around 24. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Wednesday

Rain, possibly mixed with snow, becoming all rain after 1pm. High near 39. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain likely, possibly mixed with snow before 10pm, then snow. Low around 23. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Snow showers. High near 30. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

Thursday Night

Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 20. West wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

Friday

A chance of snow showers. Mostly cloudy, with a high near 30. West wind around 9 mph. Chance of precipitation is 40%.

Friday Night

Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

Saturday

Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

Saturday Night

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

Sunday

A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 40%.

Sunday Night

Mostly cloudy, with a low around 14.