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.

Fog

32°F

0°C

Humidity 100%
Wind Speed E 5 mph
Barometer 29.74 in
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Wind Chill27°F (-3°C)
Last update 18 Feb 9:35 pm EST
Extended Forecast for

West Valley NY

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

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 34 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Thursday

    Thursday: A slight chance of showers after 1pm. Areas of dense fog before 9am. Otherwise, mostly cloudy, with a high near 49. Light southeast wind. Chance of precipitation is 20%.

    High: 49 °F

    Areas Dense
    Fog then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Southeast wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain. High near 47. Southeast wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 29. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 35. West wind 5 to 7 mph. Chance of precipitation is 50%.

    High: 35 °F

    Chance Snow

  • Saturday Night

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

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely. Mostly cloudy, with a high near 33. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 33 °F

    Snow Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 1am. Areas of dense fog. Otherwise, cloudy, with a low around 34. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers after 1pm. Areas of dense fog before 9am. Otherwise, mostly cloudy, with a high near 49. Light southeast wind. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Southeast wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 47. Southeast wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain and snow likely, becoming all snow after 10pm. Mostly cloudy, with a low around 29. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of snow. Mostly cloudy, with a high near 35. West wind 5 to 7 mph. Chance of precipitation is 50%.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 25. Light and variable wind. Chance of precipitation is 40%.
Sunday
Snow likely. Mostly cloudy, with a high near 33. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Valley NY
 42.45°N 78.64°W (Elev. 1270 ft)
Last Update:
9:36 pm EST Feb 18, 2026
Forecast Valid:
9pm EST Feb 18, 2026-6pm EST Feb 25, 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