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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles ENE Great Valley NY

Winter Storm Warning January 1, 04:01pm until January 2, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning January 1, 04:01pm until January 2, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • New Year's Day

    High: 15 °F

    Snow Likely

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 11. West wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 11 °F

    Heavy Snow

  • Friday

    Friday: Snow, mainly before 1pm, then a chance of snow showers after 1pm. High near 18. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 12. West wind around 7 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A slight chance of snow showers. Mostly cloudy, with a high near 21. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 21 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers likely. Mostly cloudy, with a low around 15. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: A chance of snow showers. Mostly cloudy, with a high near 22. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 22 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. Northwest wind around 6 mph becoming calm in the evening.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

New Year's Day
A chance of snow showers before 5pm, then snow likely after 5pm. Cloudy, with a high near 15. West wind around 11 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 11. West wind 7 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow, mainly before 1pm, then a chance of snow showers after 1pm. High near 18. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 12. West wind around 7 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow showers. Mostly cloudy, with a high near 21. West wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 15. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 22. West wind 5 to 8 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 10. Northwest wind around 6 mph becoming calm in the evening.
Monday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
A chance of showers. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
Showers likely. Cloudy, with a low around 32. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
Last Update:
3:36 pm EST Jan 1, 2026
Forecast Valid:
4pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation