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

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Light Snow

33°F

1°C

Humidity	85%
Wind Speed	NW 9 mph
Barometer	29.95 in
Dewpoint	29°F (-2°C)
Visibility	1.75 mi
Wind Chill	25°F (-4°C)
Last update	7 Dec 1:55 pm EST

More Information:

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

Extended Forecast for

Mendon NY

This Afternoon
High: 33 °F
Snow Likely
Tonight
Low: 12 °F
Chance Snow
Showers then
Slight Chance
Snow Showers
Monday
High: 22 °F
Partly Sunny
Monday Night
Low: 8 °F
Partly Cloudy
Tuesday
High: 34 °F
Mostly Cloudy
then Chance
Snow Showers
Tuesday Night
Low: 28 °F
Chance Snow
Showers then
Rain/Snow
Wednesday
High: 41 °F
Rain
Wednesday Night
Low: 24 °F
Rain/Snow
Likely
Thursday
High: 30 °F
Mostly Cloudy
then Chance
Snow Showers

Detailed Forecast

This Afternoon

Snow likely, mainly between 4pm and 5pm. Cloudy, with a high near 33. West wind around 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A chance of snow showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 12. Northwest wind 7 to 9 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday

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

Monday Night

Partly cloudy, with a low around 8. Calm wind becoming south around 5 mph after midnight.

Tuesday

A chance of snow showers after 1pm. Mostly cloudy, with a high near 34. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Tuesday Night

Snow showers before 4am, then rain and snow showers. Low around 28. Southwest wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain. High near 41. Southwest wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

Wednesday Night

Rain and snow likely before 1am, then a chance of snow. Cloudy, with a low around 24. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Thursday

A chance of snow showers after 1pm. Mostly cloudy, with a high near 30. 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 28. Chance of precipitation is 40%.

Friday Night

A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.

Saturday

Snow showers likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

Saturday Night

A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.