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

36°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 29.81 in
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 21 Mar 1:15 am EDT
Extended Forecast for

West Valley NY

Dense Fog Advisory until March 21, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 21, 08:00am

    NOW until 8:00am Sat

    Dense Fog Advisory

  • Overnight

    Low: 32 °F

    Dense Fog

  • Saturday

    Saturday: Widespread dense fog, mainly before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 50. Light north wind.

    High: 50 °F

    Dense Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 41. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 2pm. High near 59. Southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 2am, then a chance of rain and snow showers. Low around 28. Northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 28 °F

    Showers then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 36. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Northwest wind 3 to 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Southwest wind 3 to 7 mph.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, cloudy, with a low around 32. North wind 5 to 9 mph becoming calm.
Saturday
Widespread dense fog, mainly before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 50. Light north wind.
Saturday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 41. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.
Sunday
Showers, mainly after 2pm. High near 59. Southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers before 2am, then a chance of rain and snow showers. Low around 28. Northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 36. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 21. Northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 43. Southwest wind 3 to 7 mph.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday
A chance of snow showers before 2pm. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 40%.
Thursday Night
Rain and snow showers. Low around 27. Chance of precipitation is 80%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Valley NY
 42.43°N 78.62°W (Elev. 1401 ft)
Last Update:
9:58 pm EDT Mar 20, 2026
Forecast Valid:
1am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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