Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Cattaraugus County-Olean Airport (KOLE)

Lat: 42.24°NLon: 78.37°WElev: 2135ft.

Partly Cloudy

7°F

-14°C

Humidity 61%
Wind Speed S 8 mph
Barometer 29.97 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 9 Dec 9:35 am EST
Extended Forecast for

4 Miles E Great Valley NY

Winter Weather Advisory December 10, 01:00am until December 10, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Snow showers likely, mainly between 2pm and 4pm.  Cloudy, with a high near 28. Wind chill values as low as -10. South wind 7 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 28 °F

    Mostly Cloudy
    then Snow
    Showers
    Likely

  • Tonight

    Tonight: Snow likely, mainly after 4am.  Cloudy, with a low around 24. South wind 8 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Cloudy then
    Snow Likely

  • Wednesday

    Wednesday: Snow.  High near 35. South wind 8 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow showers.  Low around 17. West wind around 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers.  High near 24. West wind 8 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.

    High: 24 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers likely.  Mostly cloudy, with a low around 16. West wind around 7 mph.  Chance of precipitation is 60%.

    Low: 16 °F

    Snow Showers
    Likely

  • Friday

    Friday: A chance of snow showers.  Mostly cloudy, with a high near 26. West wind around 7 mph.  Chance of precipitation is 50%.

    High: 26 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Snow showers.  Low around 15. Southwest wind around 6 mph.  Chance of precipitation is 80%.

    Low: 15 °F

    Snow Showers

  • Saturday

    Saturday: Snow showers.  High near 24. Chance of precipitation is 80%.

    High: 24 °F

    Snow Showers

Detailed Forecast

Today
Snow showers likely, mainly between 2pm and 4pm. Cloudy, with a high near 28. Wind chill values as low as -10. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 4am. Cloudy, with a low around 24. South wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. High near 35. South wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow showers. Low around 17. West wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 24. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 16. West wind around 7 mph. Chance of precipitation is 60%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 26. West wind around 7 mph. Chance of precipitation is 50%.
Friday Night
Snow showers. Low around 15. Southwest wind around 6 mph. Chance of precipitation is 80%.
Saturday
Snow showers. High near 24. Chance of precipitation is 80%.
Saturday Night
Snow showers likely. Cloudy, with a low around 11. Chance of precipitation is 70%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 18. Chance of precipitation is 70%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 5. Chance of precipitation is 40%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Great Valley NY
 42.22°N 78.53°W (Elev. 2001 ft)
9:36 am EST Dec 9, 2025
9am EST Dec 9, 2025-6pm EST Dec 15, 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