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.

Partly Cloudy

41°F

5°C

Humidity 66%
Wind Speed S 8 mph
Barometer 29.99 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 9 Jan 1:55 am EST
Extended Forecast for

Great Valley NY

Wind Advisory January 9, 07:00am until January 9, 10:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. South wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Showers before 1pm, then a chance of showers after 3pm. High near 50. South wind around 16 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. West wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 36 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 4pm. High near 39. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Mostly Cloudy
    then Rain

  • Saturday Night

    Saturday Night: Rain before 10pm, then rain and snow showers between 10pm and 4am, then a slight chance of snow showers after 4am. Low around 25. South wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 25 °F

    Rain/Snow

  • Sunday

    Sunday: Snow showers. High near 28. West wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

    High: 28 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 20. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 20 °F

    Snow Showers
    Likely and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 30. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. South wind 13 to 15 mph, with gusts as high as 28 mph.
Friday
Showers before 1pm, then a chance of showers after 3pm. High near 50. South wind around 16 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 28. West wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 36 mph.
Saturday
Rain, mainly after 4pm. High near 39. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain before 10pm, then rain and snow showers between 10pm and 4am, then a slight chance of snow showers after 4am. Low around 25. South wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Snow showers. High near 28. West wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Sunday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 20. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 30. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Wednesday
Rain and snow showers likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
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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:
12:36 am EST Jan 9, 2026
Forecast Valid:
2am EST Jan 9, 2026-6pm EST Jan 15, 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