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.

Rain

36°F

2°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.71 in
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Wind Chill31°F (-1°C)
Last update 10 Jan 7:55 pm EST
Extended Forecast for

Portville NY

Winter Weather Advisory January 11, 07:00am until January 12, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Rain before 11pm, then a chance of showers between 11pm and midnight. Low around 27. South wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 27 °F

    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Snow showers likely, mainly after noon. Patchy blowing snow after 4pm. Mostly cloudy, with a high near 30. West wind 9 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Patchy blowing snow before 7pm. Mostly cloudy, with a low around 22. West wind 8 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Monday

    Monday: Partly sunny, with a high near 34. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 26. West wind around 7 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. South wind 7 to 13 mph, with gusts as high as 28 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 32. Southwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain showers likely before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 38. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 38 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.

    Low: 14 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Rain before 11pm, then a chance of showers between 11pm and midnight. Low around 27. South wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Snow showers likely, mainly after noon. Patchy blowing snow after 4pm. Mostly cloudy, with a high near 30. West wind 9 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A chance of snow showers before 1am. Patchy blowing snow before 7pm. Mostly cloudy, with a low around 22. West wind 8 to 17 mph, with gusts as high as 34 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 10 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 26. West wind around 7 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 40. South wind 7 to 13 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 32. Southwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Wednesday
Rain showers likely before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 38. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
A chance of snow showers. Partly sunny, with a high near 28. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portville NY
 42.01°N 78.33°W (Elev. 1532 ft)
Last Update:
6:36 pm EST Jan 10, 2026
Forecast Valid:
8pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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