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

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Snow Fog/Mist

13°F

-11°C

Humidity 92%
Wind Speed SW 10 mph
Barometer 29.67 in (1008.4 mb)
Dewpoint 11°F (-12°C)
Visibility 2.00 mi
Wind Chill0°F (-18°C)
Last update 2 Jan 1:56 am EST
Extended Forecast for

Mayville NY

Winter Storm Warning January 2, 02:14am until January 2, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning January 2, 02:14am until January 2, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • Overnight

    Low: 12 °F

    Heavy Snow

  • Friday

    Friday: Snow before noon, then snow showers likely, mainly between noon and 5pm. High near 22. West wind 13 to 15 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 22 °F

    Snow

  • Friday Night

    Friday Night: A chance of snow showers, mainly before 9pm. Cloudy, with a low around 15. West wind 10 to 13 mph. Chance of precipitation is 30%. New snow accumulation of around an inch possible.

    Low: 15 °F

    Chance Snow
    Showers then
    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 24. West wind around 8 mph.

    High: 24 °F

    Cloudy

  • Saturday Night

    Saturday Night: Snow showers likely. Cloudy, with a low around 19. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 19 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: A chance of snow showers. Mostly cloudy, with a high near 26. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 26 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Northwest wind around 6 mph becoming light and variable.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 34. South wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 34 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 12. West wind around 14 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 6 to 10 inches possible.
Friday
Snow before noon, then snow showers likely, mainly between noon and 5pm. High near 22. West wind 13 to 15 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Friday Night
A chance of snow showers, mainly before 9pm. Cloudy, with a low around 15. West wind 10 to 13 mph. Chance of precipitation is 30%. New snow accumulation of around an inch possible.
Saturday
Cloudy, with a high near 24. West wind around 8 mph.
Saturday Night
Snow showers likely. Cloudy, with a low around 19. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 26. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 14. Northwest wind around 6 mph becoming light and variable.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 34. South wind 6 to 8 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
A chance of showers after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly cloudy, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
12:36 am EST Jan 2, 2026
Forecast Valid:
2am EST Jan 2, 2026-6pm EST Jan 8, 2026
 
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