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.

Overcast

36°F

2°C

Humidity 60%
Wind Speed SW 8 mph
Barometer 29.61 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Jan 2:55 pm EST
Extended Forecast for

Portville NY

Winter Weather Advisory January 14, 11:00am until January 16, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A slight chance of snow showers before 4pm, then a slight chance of rain showers after 5pm. Mostly cloudy, with a high near 40. South wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 9pm, then a slight chance of rain showers after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 36. Southwest wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow showers likely, possibly mixed with rain, becoming all snow after 4pm. Mostly cloudy, with a high near 38. Southwest wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 11. West wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 11 °F

    Snow Likely

  • Thursday

    Thursday: A slight chance of snow showers. Mostly cloudy, with a high near 16. West wind 11 to 15 mph. Chance of precipitation is 20%.

    High: 16 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 8. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 8 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 28. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 28 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 22. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
A slight chance of snow showers before 4pm, then a slight chance of rain showers after 5pm. Mostly cloudy, with a high near 40. South wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
A chance of rain and snow showers before 9pm, then a slight chance of rain showers after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 36. Southwest wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
Snow showers likely, possibly mixed with rain, becoming all snow after 4pm. Mostly cloudy, with a high near 38. Southwest wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 11. West wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday
A slight chance of snow showers. Mostly cloudy, with a high near 16. West wind 11 to 15 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 8. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 28. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 22. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Saturday Night
A chance of snow before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
M.L.King Day
A chance of snow showers. Mostly cloudy, with a high near 19. Chance of precipitation is 50%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 5. Chance of precipitation is 40%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.05°N 78.33°W (Elev. 2001 ft)
Last Update:
12:36 pm EST Jan 13, 2026
Forecast Valid:
3pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation