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.

Freezing Fog

30°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 30°F (-1°C)
Visibility 0.15 mi
Last update 19 Feb 7:55 am EST
Extended Forecast for

4 Miles ENE Great Valley NY

Dense Fog Advisory until February 19, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until February 19, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Today

    High: 47 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Rain likely after 10pm, mixing with sleet after 5am. Mostly cloudy, with a low around 35. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no sleet accumulation expected.

    Low: 35 °F

    Chance Rain
    then
    Rain/Sleet
    Likely

  • Friday

    Friday: Rain before 4pm, then rain and snow likely. High near 44. Southeast wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 44 °F

    Rain then
    Rain/Snow

  • Friday Night

    Friday Night: Snow likely, possibly mixed with rain, becoming all snow after 10pm. Mostly cloudy, with a low around 28. West wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 34. West wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 25. Light and variable wind. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely. Mostly cloudy, with a high near 33. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 33 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 22. North wind around 5 mph. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Showers
    Likely

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Rain likely after 10pm, mixing with sleet after 5am. Mostly cloudy, with a low around 35. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no sleet accumulation expected.
Friday
Rain before 4pm, then rain and snow likely. High near 44. Southeast wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Snow likely, possibly mixed with rain, becoming all snow after 10pm. Mostly cloudy, with a low around 28. West wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 34. West wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 25. Light and variable wind. Chance of precipitation is 40%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 33. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 22. North wind around 5 mph. Chance of precipitation is 60%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
Last Update:
6:37 am EST Feb 19, 2026
Forecast Valid:
8am EST Feb 19, 2026-6pm EST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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