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 100%
Wind Speed W 6 mph
Barometer 29.89 in
Dewpoint 19°F (-7°C)
Visibility 1.50 mi
Wind Chill11°F (-12°C)
Last update 23 Feb 6:35 pm EST
Extended Forecast for

Great Valley NY

Winter Weather Advisory February 23, 09:12pm until February 24, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 23, 09:12pm until February 24, 06:00am

    NOW until 6:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 7 °F

    Snow

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 25. Wind chill values as low as -5. West wind 7 to 9 mph becoming southwest in the afternoon.

    High: 25 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow. Low around 19. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 19 °F

    Snow Likely
    then Snow

  • Wednesday

    Wednesday: A chance of snow showers. Mostly cloudy, with a high near 33. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 16. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    Low: 16 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 31. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 17. Light and variable wind. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 38. Calm wind becoming west around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow, mainly before 2am, then a chance of snow showers after 2am. Low around 7. Wind chill values as low as -5. Northwest wind 9 to 13 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 25. Wind chill values as low as -5. West wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Snow. Low around 19. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 33. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Wednesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 16. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Thursday
A chance of snow. Partly sunny, with a high near 31. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 17. Light and variable wind. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 38. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 11. Chance of precipitation is 40%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Valley NY
 42.23°N 78.59°W (Elev. 1877 ft)
Last Update:
6:36 pm EST Feb 23, 2026
Forecast Valid:
9pm EST Feb 23, 2026-6pm EST Mar 2, 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