Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Fair

23°F

-5°C

Humidity 58%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 1 Dec 3:15 pm EST
Extended Forecast for

4 Miles E Great Valley NY

Winter Weather Advisory December 2, 01:00am until December 2, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A chance of snow showers between midnight and 2am, then snow after 2am.  Low around 16. Calm wind becoming southeast around 6 mph after midnight.  Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Mostly Cloudy
    then Snow

  • Tuesday

    Tuesday: Snow before 11am, then a chance of snow showers after 2pm.  High near 31. Calm wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow then
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers.  Mostly cloudy, with a low around 18. Northwest wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 29. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 29 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly after 1am.  Mostly cloudy, with a low around 19. Southwest wind around 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm.  Mostly cloudy, with a high near 25. West wind around 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    High: 25 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 3. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 3 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 25. South wind 3 to 7 mph.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow showers after 1am.  Mostly cloudy, with a low around 15. Chance of precipitation is 30%.

    Low: 15 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
A chance of snow showers between midnight and 2am, then snow after 2am. Low around 16. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
Snow before 11am, then a chance of snow showers after 2pm. High near 31. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 18. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 29. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 19. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 25. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 3. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 25. South wind 3 to 7 mph.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 9. Chance of precipitation is 50%.
Monday
A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Great Valley NY
 42.22°N 78.53°W (Elev. 2001 ft)
12:36 pm EST Dec 1, 2025
3pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
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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