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

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Light Snow

23°F

-5°C

Humidity 86%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 23 Feb 12:35 pm EST
Extended Forecast for

Portville NY

Winter Weather Advisory February 23, 01:56pm until February 24, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 23, 01:56pm until February 24, 06:00am

    NOW until 6:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 29 °F

    Snow

  • Tonight

    Tonight: Snow before 9pm, then a chance of snow showers between 9pm and 4am. Low around 9. Northwest wind 9 to 13 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Snow then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 27. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 27 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow. Low around 20. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow Likely
    then Snow

  • Wednesday

    Wednesday: A chance of snow showers before 4pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 38. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16. West wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 35. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%.

    High: 35 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 18. Light and variable wind. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow

Detailed Forecast

This Afternoon
Snow. High near 29. Northwest wind around 14 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow before 9pm, then a chance of snow showers between 9pm and 4am. Low around 9. Northwest wind 9 to 13 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 27. Northwest wind around 7 mph becoming southwest in the afternoon.
Tuesday Night
Snow. Low around 20. South wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A chance of snow showers before 4pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 38. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 16. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Thursday
A chance of snow. Partly sunny, with a high near 35. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 18. Light and variable wind. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.01°N 78.33°W (Elev. 1532 ft)
Last Update:
12:36 pm EST Feb 23, 2026
Forecast Valid:
1pm EST Feb 23, 2026-6pm EST Mar 1, 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