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.

Fair

10°F

-12°C

Humidity 61%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 1 Feb 4:55 pm EST
Extended Forecast for

Great Valley NY

  • Tonight

    Tonight: Partly cloudy, with a low around -1. West wind around 6 mph becoming calm in the evening.

    Low: -1 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 23. Calm wind becoming west around 5 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers. Mostly cloudy, with a high near 24. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow showers after 1pm. Partly sunny, with a high near 18. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 18 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Wednesday Night

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

    Low: 4 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19. Calm wind becoming west around 6 mph in the afternoon.

    High: 19 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.

    Low: 9 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around -1. West wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 23. Calm wind becoming west around 5 mph.
Monday Night
Mostly cloudy, with a low around 11. Calm wind.
Tuesday
A slight chance of snow showers. Mostly cloudy, with a high near 24. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 3. Calm wind.
Wednesday
A slight chance of snow showers after 1pm. Partly sunny, with a high near 18. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 4. Calm wind.
Thursday
Partly sunny, with a high near 19. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
Friday
Snow showers. High near 24. Chance of precipitation is 90%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around -1. Chance of precipitation is 40%.
Saturday
Partly sunny and cold, with a high near 5.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
A chance of snow showers. Partly sunny, with a high near 12. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Valley NY
 42.21°N 78.6°W (Elev. 1558 ft)
Last Update:
4:56 pm EST Feb 1, 2026
Forecast Valid:
5pm EST Feb 1, 2026-6pm EST Feb 8, 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