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.

Mostly Cloudy

10°F

-12°C

Humidity 61%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 18 Jan 7:55 pm EST
Extended Forecast for

4 Miles ENE Great Valley NY

Winter Storm Warning January 19, 07:00am until January 21, 03:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: A chance of snow showers, mainly after 4am. Mostly cloudy, with a low around 9. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 9 °F

    Cloudy then
    Chance Snow
    Showers

  • M.L.King Day

    M.L.King Day: Snow showers likely, mainly between 10am and 11am. Mostly cloudy, with a high near 19. West wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 19 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: A chance of snow showers. Mostly cloudy, with a low around 1. Wind chill values as low as -15. West wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 1 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 1pm. Partly sunny and cold, with a high near 8. Wind chill values as low as -15. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 8 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 5. Southwest wind 8 to 10 mph.

    Low: 5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 25. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 25 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely. Cloudy, with a low around 16. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 16 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 20. West wind 11 to 13 mph, with gusts as high as 24 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 6. Chance of precipitation is 50%.

    Low: 6 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
A chance of snow showers, mainly after 4am. Mostly cloudy, with a low around 9. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
M.L.King Day
Snow showers likely, mainly between 10am and 11am. Mostly cloudy, with a high near 19. West wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 1. Wind chill values as low as -15. West wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Tuesday
A chance of snow showers, mainly before 1pm. Partly sunny and cold, with a high near 8. Wind chill values as low as -15. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Partly cloudy, with a low around 5. Southwest wind 8 to 10 mph.
Wednesday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 25. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday Night
Snow showers likely. Cloudy, with a low around 16. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 20. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 6. Chance of precipitation is 50%.
Friday
Mostly cloudy, with a high near 15.
Friday Night
A chance of snow showers. Cloudy, with a low around 4. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 14. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around -2. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Mostly cloudy and cold, with a high near 7. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Great Valley NY
 42.24°N 78.53°W (Elev. 2100 ft)
Last Update:
9:36 pm EST Jan 18, 2026
Forecast Valid:
10pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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