Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

Olean NY

Lake Effect Snow Warning December 11, 06:02am until December 12, 04:00am

Click here for hazard details and duration

Lake Effect Snow Warning

Lake Effect Snow Warning December 11, 06:02am until December 12, 04:00am
NOW until 4:00am Fri
Lake Effect Snow Warning
Today
High: 25 °F
Heavy Snow
Tonight
Low: 15 °F
Snow Showers
Likely
Friday
High: 29 °F
Chance Snow
Showers
Friday Night
Low: 11 °F
Mostly Cloudy
then Chance
Snow Showers
Saturday
High: 28 °F
Snow Showers
Likely
Saturday Night
Low: 10 °F
Snow Showers
Likely
Sunday
High: 20 °F
Snow Showers
Likely
Sunday Night
Low: 8 °F
Chance Snow
Showers

Detailed Forecast

Today

Snow showers likely before 8am, then snow after 8am. The snow could be heavy at times. High near 25. West wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 15. West wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday

A chance of snow showers before 1pm. Mostly cloudy, with a high near 29. West wind 3 to 8 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Friday Night

A chance of snow showers after 1am. Mostly cloudy, with a low around 11. Light south wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Saturday

Snow showers likely. Mostly cloudy, with a high near 28. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

Saturday Night

Snow showers likely. Cloudy, with a low around 10. West wind 3 to 6 mph. Chance of precipitation is 70%.

Sunday

Snow showers likely. Mostly cloudy, with a high near 20. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

Sunday Night

A chance of snow showers before 1am. Mostly cloudy, with a low around 8. Northwest wind 3 to 7 mph. Chance of precipitation is 40%.

Monday

A chance of snow showers after 1pm. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.

Monday Night

A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.