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

Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

22°F

-6°C

Humidity 71%
Wind Speed Calm
Barometer 30.07 in (1021.1 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 1 Dec 10:56 pm EST
Extended Forecast for

Mayville 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 before 1am, then snow, mainly after 1am. Low around 21. Southeast wind 3 to 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow

  • Tuesday

    Tuesday: Snow, mainly before 10am, then a chance of snow showers after 10am. High near 32. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow then
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Cloudy, with a low around 21. North wind around 6 mph becoming southwest after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Southwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers, mainly after 1am. Low around 20. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

    Low: 20 °F

    Chance Snow
    Showers then
    Snow Showers

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 27. West wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    High: 27 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. Northwest wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 23 mph.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27. South wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
A chance of snow showers before 1am, then snow, mainly after 1am. Low around 21. Southeast wind 3 to 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
Snow, mainly before 10am, then a chance of snow showers after 10am. High near 32. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
A chance of snow showers. Cloudy, with a low around 21. North wind around 6 mph becoming southwest after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Southwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Snow showers, mainly after 1am. Low around 20. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 27. West wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 9. Northwest wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 27. South wind 8 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Cloudy, with a low around 23. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
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. Partly sunny, with a high near 26. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.26°N 79.5°W (Elev. 1398 ft)
Last Update:
9:36 pm EST Dec 1, 2025
Forecast Valid:
11pm EST Dec 1, 2025-6pm EST Dec 8, 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