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

25°F

-4°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 29.78 in
Dewpoint 25°F (-4°C)
Visibility 7.00 mi
Last update 23 Feb 3:55 am EST
Extended Forecast for

4 Miles WSW Great Valley NY

Winter Weather Advisory February 23, 06:13am until February 24, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 23, 06:13am until February 24, 06:00am

    NOW until 6:00am Tue

    Winter Weather Advisory

  • Today

    High: 28 °F

    Snow

  • Tonight

    Tonight: Snow showers likely, mainly before 7pm. Cloudy, with a low around 8. Northwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 26. West wind 3 to 6 mph.

    High: 26 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow. Low around 19. Calm wind becoming south 5 to 7 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 19 °F

    Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 35. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 35 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers. Mostly cloudy, with a low around 17. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow after 1pm. Partly sunny, with a high near 34. Calm wind becoming south around 5 mph. Chance of precipitation is 50%.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 16. Light and variable wind. Chance of precipitation is 40%.

    Low: 16 °F

    Chance Snow

Detailed Forecast

Today
Snow. High near 28. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers likely, mainly before 7pm. Cloudy, with a low around 8. Northwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 26. West wind 3 to 6 mph.
Tuesday Night
Snow. Low around 19. Calm wind becoming south 5 to 7 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow likely before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 35. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Wednesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 17. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
A chance of snow after 1pm. Partly sunny, with a high near 34. Calm wind becoming south around 5 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 16. Light and variable wind. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 33. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Great Valley NY
 42.19°N 78.66°W (Elev. 1499 ft)
Last Update:
5:01 am EST Feb 23, 2026
Forecast Valid:
6am EST Feb 23, 2026-6pm EST Mar 1, 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