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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

29°F

-2°C

Humidity 78%
Wind Speed S 12 mph
Barometer 29.63 in (1006.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Dec 11:56 pm EST
Extended Forecast for

Mayville NY

Winter Weather Advisory December 10, 01:00am until December 12, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Snow showers likely, mainly between 2am and 3am, then snow after 3am. Low around 27. South wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. High near 37. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before midnight, then snow showers after midnight. The snow could be heavy at times. Low around 19. Northwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 19 °F

    Heavy Snow

  • Thursday

    Thursday: Snow showers. Patchy blowing snow after noon. High near 28. Breezy, with a west wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Low: 22 °F

    Snow Showers
    Likely

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 29. West wind around 10 mph. Chance of precipitation is 40%.

    High: 29 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 18. South wind 6 to 10 mph. Chance of precipitation is 70%.

    Low: 18 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers. High near 29. West wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 29 °F

    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers. Low around 16. Chance of precipitation is 80%.

    Low: 16 °F

    Snow Showers

Detailed Forecast

Overnight
Snow showers likely, mainly between 2am and 3am, then snow after 3am. Low around 27. South wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Snow, possibly mixed with rain. High near 37. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow, mainly before midnight, then snow showers after midnight. The snow could be heavy at times. Low around 19. Northwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow showers. Patchy blowing snow after noon. High near 28. Breezy, with a west wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 22. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 29. West wind around 10 mph. Chance of precipitation is 40%.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 18. South wind 6 to 10 mph. Chance of precipitation is 70%.
Saturday
Snow showers. High near 29. West wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Saturday Night
Snow showers. Low around 16. Chance of precipitation is 80%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 22. Chance of precipitation is 70%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 50%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
12:36 am EST Dec 10, 2025
Forecast Valid:
12am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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