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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Partly Cloudy

10°F

-12°C

Humidity	79%
Wind Speed	N 3 mph
Barometer	30.17 in
Dewpoint	5°F (-15°C)
Visibility	10.00 mi
Last update	8 Dec 4:55 am EST

More Information:

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

Extended Forecast for

4 Miles E Great Valley NY

Today
High: 18 °F
Mostly Sunny
Tonight
Low: -2 °F
Partly Cloudy
Tuesday
High: 29 °F
Partly Sunny
then Snow
Showers
Tuesday Night
Low: 24 °F
Chance Snow
Showers then
Snow Showers
Wednesday
High: 35 °F
Rain/Snow
Wednesday Night
Low: 19 °F
Snow Showers
Thursday
High: 26 °F
Snow Showers
Likely
Thursday Night
Low: 15 °F
Chance Snow
Showers
Friday
High: 24 °F
Snow Showers
Likely

Detailed Forecast

Today

Mostly sunny, with a high near 18. Calm wind becoming northeast around 5 mph.

Tonight

Partly cloudy, with a low around -2. Light south wind.

Tuesday

Snow showers after 1pm. High near 29. Wind chill values as low as -5. South wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Snow showers, mainly after 1am. Low around 24. Southwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Snow showers, possibly mixed with rain, becoming all snow after 4pm. High near 35. Southwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Snow showers. Low around 19. West wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

Thursday

Snow showers likely. Mostly cloudy, with a high near 26. West wind 6 to 9 mph. Chance of precipitation is 60%.

Thursday Night

A chance of snow showers. Mostly cloudy, with a low around 15. Southwest wind around 6 mph. Chance of precipitation is 50%.

Friday

Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.

Friday Night

Snow showers. Low around 12. Chance of precipitation is 80%.

Saturday

Snow showers. High near 19. Chance of precipitation is 90%.