National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 ***
Extended Forecast for

Olean NY

Winter Weather Advisory December 10, 11:12am until December 12, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 11:12am until December 12, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Today

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 11pm. Low around 16. Northwest wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers. High near 26. West wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers, mainly before 1am. Low around 16. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 16 °F

    Snow Showers

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 29. West wind around 6 mph. Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 13. Light southwest wind. Chance of precipitation is 60%.

    Low: 13 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers likely. Mostly cloudy, with a high near 28. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 28 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Snow showers likely. Mostly cloudy, with a low around 12. West wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 12 °F

    Snow Showers
    Likely

Detailed Forecast

Today
Rain and snow before 2pm, then rain likely between 2pm and 3pm, then a chance of rain and snow after 3pm. High near 38. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
Tonight
Rain and snow, becoming all snow after 11pm. Low around 16. Northwest wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Snow showers. High near 26. West wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers, mainly before 1am. Low around 16. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
A chance of snow showers. Mostly cloudy, with a high near 29. West wind around 6 mph. Chance of precipitation is 30%.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 13. Light southwest wind. Chance of precipitation is 60%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 28. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 12. West wind 5 to 7 mph. Chance of precipitation is 70%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 21. Chance of precipitation is 60%.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 30%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olean NY
 42.08°N 78.41°W (Elev. 1470 ft)
Last Update:
9:36 am EST Dec 10, 2025
Forecast Valid:
11am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation