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Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

27°F

-3°C

Humidity 80%
Wind Speed SW 3 mph
Barometer 29.75 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 11 Jan 9:35 am EST
Extended Forecast for

Portville NY

Winter Weather Advisory until January 12, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 12, 01:00am

    NOW until 1:00am Mon

    Winter Weather Advisory

  • Today

    High: 32 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 22. West wind 8 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 34. Southwest wind 6 to 11 mph, with gusts as high as 26 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. West wind around 6 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. South wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Cloudy, with a low around 34. Southwest wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely. Cloudy, with a high near 38. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.

    High: 38 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 15. West wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Showers
    Likely

Detailed Forecast

Today
Snow showers likely, mainly after 1pm. Patchy blowing snow after 2pm. Cloudy, with a high near 32. West wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 22. West wind 8 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 34. Southwest wind 6 to 11 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 27. West wind around 6 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 39. South wind 6 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of showers. Cloudy, with a low around 34. Southwest wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely. Cloudy, with a high near 38. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 15. West wind 5 to 7 mph. Chance of precipitation is 70%.
Thursday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 21. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.03°N 78.33°W (Elev. 1601 ft)
Last Update:
9:36 am EST Jan 11, 2026
Forecast Valid:
9am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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