National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Overcast

23°F

-5°C

Humidity 80%
Wind Speed W 6 mph
Barometer 30.06 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 3:55 am EST
Extended Forecast for

Great Valley NY

  • Today

    Today: A slight chance of snow showers after 4pm. Partly sunny, with a high near 32. West wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 32 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 4pm. Partly sunny, with a high near 39. South wind 6 to 15 mph. Chance of precipitation is 20%.

    High: 39 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 1am, then rain showers likely. Mostly cloudy, with a low around 33. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain showers before 1pm, then rain and snow showers. High near 37. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Showers then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 15. Northwest wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 15 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 20. North wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 20 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 11. Northwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 11 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A slight chance of snow showers after 4pm. Partly sunny, with a high near 32. West wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 26. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of showers after 4pm. Partly sunny, with a high near 39. South wind 6 to 15 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow showers before 1am, then rain showers likely. Mostly cloudy, with a low around 33. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Rain showers before 1pm, then rain and snow showers. High near 37. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Snow showers. Low around 15. Northwest wind 3 to 6 mph. Chance of precipitation is 90%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 20. North wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 11. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Valley NY
 42.21°N 78.6°W (Elev. 1558 ft)
Last Update:
3:36 am EST Jan 12, 2026
Forecast Valid:
4am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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