Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Partly Cloudy

25°F

-4°C

Humidity	54%
Wind Speed	Calm
Barometer	30.28 in
Dewpoint	10°F (-12°C)
Visibility	10.00 mi
Last update	1 Dec 12:35 pm EST

More Information:

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

Extended Forecast for

2 Miles SSE Portville NY

Winter Weather Advisory December 2, 01:00am until December 2, 07:00pm

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 29 °F
Mostly Cloudy
Tonight
Low: 16 °F
Mostly Cloudy
then Snow
Tuesday
High: 33 °F
Snow then
Chance Snow
Showers
Tuesday Night
Low: 17 °F
Mostly Cloudy
Wednesday
High: 33 °F
Mostly Cloudy
Wednesday Night
Low: 20 °F
Mostly Cloudy
then Chance
Snow Showers
Thursday
High: 28 °F
Snow Showers
Likely
Thursday Night
Low: 3 °F
Partly Cloudy
Friday
High: 28 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 29. Northwest wind around 5 mph becoming calm.

Tonight

A chance of snow showers between midnight and 2am, then snow after 2am. Low around 16. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Tuesday

Snow before noon, then a chance of snow showers, mainly between noon and 1pm. High near 33. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Mostly cloudy, with a low around 17. Northwest wind around 6 mph becoming calm in the evening.

Wednesday

Mostly cloudy, with a high near 33. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

Wednesday Night

A chance of snow showers after 1am. Mostly cloudy, with a low around 20. Southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Thursday

Snow showers likely before 1pm. Mostly cloudy, with a high near 28. West wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

Thursday Night

Partly cloudy, with a low around 3. Northwest wind 5 to 7 mph becoming calm in the evening.

Friday

Mostly sunny, with a high near 28.

Friday Night

Mostly cloudy, with a low around 15.

Saturday

A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.

Saturday Night

A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

Sunday

A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.