A Large Storm System Will Impact The Western U.S. This Weekend

A large storm system will deliver widespread impacts to the Western U.S. this weekend. Widespread heavy snow, heavy rain, strong thunderstorms and a number of coastal hazards will likely cause travel issues. The locally heavy rain in north-central California and southwest Oregon may cause flash flooding, especially near recent and vulnerable burn scar areas. Read More >

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64° N Lon: 77.05° W Elev: 902 ft.

Fair

23°F

-5°C

Humidity	72%
Wind Speed	SW 9 G 16 mph
Barometer	30.35 in (1029.4 mb)
Dewpoint	15°F (-9°C)
Visibility	10.00 mi
Wind Chill	13°F (-11°C)
Last update	8 Dec 5:53 am EST

More Information:

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

Detailed forecast for

Ontario County

Today

Mostly sunny through early afternoon, then becoming mostly cloudy. Highs ranging from the mid 30s on the hilltops to around 40 across the lower elevations. South winds 10 to 20 mph with gusts up to 40 mph.

Tonight

Cloudy. A chance of rain showers overnight. Lows in the upper 30s. South winds 10 to 20 mph with gusts up to 40 mph. Chance of rain 40 percent.

Monday

Periods of rain. Breezy with highs in the upper 40s. South winds 10 to 20 mph. Chance of rain near 100 percent.

Monday Night

Showers likely. Breezy with lows in the mid 40s. South winds 15 to 20 mph with gusts up to 30 mph, becoming southwest. Chance of rain 70 percent.

Tuesday

Rain showers likely in the morning, then a chance of rain and snow showers in the afternoon. Early morning highs in the mid 40s, then temperatures falling to around 30 on the hilltops and to the mid 30s across the lower elevations. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 60 percent.

Tuesday Night

Cloudy with a 40 percent chance of snow showers. Lows in the mid 20s.

Wednesday

Mostly cloudy with a 50 percent chance of snow showers. Highs in the upper 20s.

Wednesday Night

Mostly cloudy with a 50 percent chance of snow showers. Lows 15 to 20.

Thursday

Partly sunny with a 40 percent chance of snow showers. Highs in the mid 20s.

Thursday Night

Mostly cloudy. Lows 15 to 20.

Friday

Mostly cloudy. Highs in the mid 30s.