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.

Partly Cloudy

10°F

-12°C

Humidity 67%
Wind Speed N 5 mph
Barometer 29.94 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 1 Feb 11:55 am EST
Extended Forecast for

Great Valley NY

  • This Afternoon

    This Afternoon: A chance of snow showers, mainly before 2pm. Partly sunny, with a high near 13. Northwest wind 6 to 10 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 13 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around -1. Light west wind.

    Low: -1 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22. Calm wind becoming west around 5 mph.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Calm wind.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers. Mostly cloudy, with a high near 23. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 20%.

    High: 23 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 18. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 18 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 2. Calm wind.

    Low: 2 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of snow showers, mainly before 2pm. Partly sunny, with a high near 13. Northwest wind 6 to 10 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, with a low around -1. Light west wind.
Monday
Mostly sunny, with a high near 22. Calm wind becoming west around 5 mph.
Monday Night
Mostly cloudy, with a low around 10. Calm wind.
Tuesday
A slight chance of snow showers. Mostly cloudy, with a high near 23. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 4. Calm wind.
Wednesday
Partly sunny, with a high near 18. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 2. Calm wind.
Thursday
Partly sunny, with a high near 19.
Thursday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.
Friday
Snow showers. High near 25. Chance of precipitation is 80%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around -1. Chance of precipitation is 60%.
Saturday
A chance of snow showers. Mostly cloudy and cold, with a high near 5. Chance of precipitation is 30%.
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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:
9:36 am EST Feb 1, 2026
Forecast Valid:
12pm EST Feb 1, 2026-6pm EST Feb 7, 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