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

30°F

-1°C

Humidity 79%
Wind Speed S 12 mph
Barometer 29.60 in (1004.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 10 Dec 12:56 am EST
Extended Forecast for

2 Miles W Dewittville NY

Winter Weather Advisory December 10, 01:30am until December 12, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 01:30am until December 12, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Overnight

    Low: 28 °F

    Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. High near 37. South wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 7pm. The snow could be heavy at times. Patchy blowing snow between 9pm and midnight. Low around 21. Northwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Rain/Snow and
    Patchy
    Blowing Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers. Patchy blowing snow after 10am. High near 28. Blustery, with a west wind around 22 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, mainly before 1am. Low around 24. Breezy, with a west wind 13 to 20 mph. Chance of precipitation is 80%.

    Low: 24 °F

    Snow Showers
    and Breezy

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 29. Southwest 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 20. South wind 9 to 14 mph. Chance of precipitation is 70%.

    Low: 20 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers. High near 29. West wind 15 to 18 mph. Chance of precipitation is 80%.

    High: 29 °F

    Snow Showers

Detailed Forecast

Overnight
Snow showers likely, mainly between 2am and 3am, then snow after 3am. Low around 28. South wind 11 to 15 mph, with gusts as high as 28 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 around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. The snow could be heavy at times. Patchy blowing snow between 9pm and midnight. Low around 21. Northwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow showers. Patchy blowing snow after 10am. High near 28. Blustery, with a west wind around 22 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow showers, mainly before 1am. Low around 24. Breezy, with a west wind 13 to 20 mph. Chance of precipitation is 80%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 29. Southwest wind around 10 mph. Chance of precipitation is 40%.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. South wind 9 to 14 mph. Chance of precipitation is 70%.
Saturday
Snow showers. High near 29. West wind 15 to 18 mph. Chance of precipitation is 80%.
Saturday Night
Snow showers. Low around 18. 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 14. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 40%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Dewittville NY
 42.24°N 79.45°W (Elev. 1335 ft)
Last Update:
12:36 am EST Dec 10, 2025
Forecast Valid:
1am EST Dec 10, 2025-6pm EST Dec 16, 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