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 72%
Wind Speed SW 3 mph
Barometer 29.75 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 19 Jan 1:55 am EST
Extended Forecast for

4 Miles ENE Great Valley NY

Cold Weather Advisory January 19, 10:00pm until January 20, 01:00pm
Winter Storm Warning January 19, 07:00am until January 21, 03:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • Overnight

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

    Low: 9 °F

    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 20. Wind chill values as low as -5. West wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 20 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: A chance of snow showers before 1am, then a chance of snow showers after 2am. 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 a half inch possible.

    Low: 1 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of snow showers between 10am and 1pm. Partly sunny and cold, with a high near 9. Wind chill values as low as -15. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 9 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4. Southwest wind 8 to 10 mph.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers, mainly after 1pm. High near 28. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 28 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely. Mostly cloudy, with a low around 20. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 20 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 23. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 23 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.

    Low: 5 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
A chance of snow showers, mainly after 4am. Mostly cloudy, with a low around 9. Southwest wind around 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 20. Wind chill values as low as -5. West wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
A chance of snow showers before 1am, then a chance of snow showers after 2am. 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 a half inch possible.
Tuesday
A slight chance of snow showers between 10am and 1pm. Partly sunny and cold, with a high near 9. Wind chill values as low as -15. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 4. Southwest wind 8 to 10 mph.
Wednesday
Snow showers, mainly after 1pm. High near 28. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 20. 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 23. 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 5. Chance of precipitation is 30%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 11. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around -5. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy and cold, with a high near 3. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around -8. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny and cold, with a high near 9. Chance of precipitation is 30%.
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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:
12:36 am EST Jan 19, 2026
Forecast Valid:
3am EST Jan 19, 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