National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Hazardous Weather Conditions

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Mostly Cloudy

25°F

-4°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 29.95 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 3 Dec 9:35 am EST
Extended Forecast for

4 Miles ENE Great Valley NY

  • Today

    Today: Mostly cloudy, with a high near 29. Southwest wind around 10 mph.

    High: 29 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow showers likely, mainly after 3am. Mostly cloudy, with a low around 18. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers, mainly before 1pm. High near 24. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 24 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 3. Wind chill values as low as -5. Northwest wind 5 to 8 mph becoming light and variable.

    Low: 3 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 26. South wind 6 to 8 mph.

    High: 26 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers. Mostly cloudy, with a low around 15. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 29. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 29 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 18. West wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 18 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.

    High: 26 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 29. Southwest wind around 10 mph.
Tonight
Snow showers likely, mainly after 3am. Mostly cloudy, with a low around 18. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
Snow showers, mainly before 1pm. High near 24. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Partly cloudy, with a low around 3. Wind chill values as low as -5. Northwest wind 5 to 8 mph becoming light and variable.
Friday
Mostly sunny, with a high near 26. South wind 6 to 8 mph.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 15. Southwest wind around 7 mph. Chance of precipitation is 20%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. West wind 3 to 6 mph. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 8. Chance of precipitation is 40%.
Monday
A chance of snow showers. Partly sunny, with a high near 21. Chance of precipitation is 40%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%.
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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:
9:36 am EST Dec 3, 2025
Forecast Valid:
10am EST Dec 3, 2025-6pm EST Dec 9, 2025
 
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