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

19°F

-7°C

Humidity 86%
Wind Speed W 10 G 26 mph
Barometer 29.90 in
Dewpoint 16°F (-9°C)
Visibility 1.00 mi
Wind Chill8°F (-13°C)
Last update 11 Jan 5:35 pm EST
Extended Forecast for

Portville NY

Winter Weather Advisory January 11, 05:43pm until January 12, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 11, 05:43pm until January 12, 01:00am

    NOW until 1:00am Mon

    Winter Weather Advisory

  • This Afternoon

    High: 31 °F

    Snow Showers
    and Areas
    Blowing Snow

  • Tonight

    Tonight: Snow showers likely, mainly before 11pm. Patchy blowing snow before 7pm. Cloudy, with a low around 23. West wind 9 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Monday

    Monday: Mostly cloudy, with a high near 34. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. South wind 5 to 9 mph, with gusts as high as 22 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 34. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 40. Southwest wind 6 to 8 mph. Chance of precipitation is 80%.

    High: 40 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 17. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%.

    Low: 17 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Snow showers. Areas of blowing snow. High near 31. Breezy, with a west wind around 20 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers likely, mainly before 11pm. Patchy blowing snow before 7pm. Cloudy, with a low around 23. West wind 9 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 34. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 26. West wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 40. South wind 5 to 9 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 34. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers. High near 40. Southwest wind 6 to 8 mph. Chance of precipitation is 80%.
Wednesday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 17. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Friday
A chance of snow showers. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.03°N 78.33°W (Elev. 1601 ft)
Last Update:
5:26 pm EST Jan 11, 2026
Forecast Valid:
5pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation