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

45°F

7°C

Humidity 46%
Wind Speed W 7 mph
Barometer 29.97 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 28 Feb 1:15 pm EST
Extended Forecast for

4 Miles ENE Great Valley NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 45. Northwest wind around 8 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow, mainly after 9pm. Low around 17. North wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 17 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: A chance of snow, mainly before 7am. Partly sunny, with a high near 23. Northeast wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4. Northwest wind around 5 mph becoming calm in the evening.

    Low: 4 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 29. Light and variable wind.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of snow showers after 1am, mixing with freezing rain after 4am. Partly cloudy, with a low around 20. South wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Mostly Clear
    then Slight
    Chance Wintry
    Mix

  • Tuesday

    Tuesday: Rain and snow showers likely before 7am, then rain showers, snow showers, and freezing rain likely between 7am and 1pm, then rain showers after 1pm. High near 39. South wind around 8 mph. Chance of precipitation is 90%.

    High: 39 °F

    Wintry Mix
    Likely then
    Wintry Mix

  • Tuesday Night

    Tuesday Night: Showers, mainly before 1am. Low around 32. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%.

    Low: 32 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 45. Northwest wind around 8 mph.
Tonight
Snow, mainly after 9pm. Low around 17. North wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday
A chance of snow, mainly before 7am. Partly sunny, with a high near 23. Northeast wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 4. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 29. Light and variable wind.
Monday Night
A slight chance of snow showers after 1am, mixing with freezing rain after 4am. Partly cloudy, with a low around 20. South wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday
Rain and snow showers likely before 7am, then rain showers, snow showers, and freezing rain likely between 7am and 1pm, then rain showers after 1pm. High near 39. South wind around 8 mph. Chance of precipitation is 90%.
Tuesday Night
Showers, mainly before 1am. Low around 32. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%.
Wednesday
A chance of showers after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
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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:
12:57 pm EST Feb 28, 2026
Forecast Valid:
1pm EST Feb 28, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation