Hazardous Weather Conditions
- Hazardous Weather Outlook
- Flood Watch in effect from December 28, 01:00 PM EST until December 29, 04:00 PM EST
- High Wind Warning in effect from December 29, 04:00 AM EST until December 30, 01:00 AM EST
- Lakeshore Flood Warning in effect from December 29, 05:00 AM EST until December 29, 10:00 PM EST
- Winter Storm Warning in effect from December 29, 01:00 PM EST until January 2, 01:00 AM EST
Current conditions at
Jamestown, Chautauqua County/Jamestown Airport (KJHW)
Lat: 42.15°NLon: 79.27°WElev: 1722ft.
Light Rain Fog/Mist
34°F
1°C
| Humidity | 100% |
| Wind Speed | S 9 mph |
| Barometer | 29.84 in (1012.8 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 4.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 28 Dec 11:56 am EST |
Extended Forecast for
Mayville NY
Flood Watch December 28, 01:00pm until December 29, 04:00pm
Winter Storm Warning December 29, 01:00pm until January 2, 01:00am
High Wind Warning December 29, 04:00am until December 30, 01:00am
Lakeshore Flood Warning December 29, 05:00am until December 29, 10:00pm
This Afternoon

High: 54 °F
Showers
Tonight

Low: 33 °F
Showers and
BreezyMonday
High: 38 °F⇓
Wintry Mix
and Patchy
Blowing SnowMonday Night

Low: 19 °F
Heavy Snow
and Blowing
SnowTuesday

High: 25 °F
Snow Showers
and Patchy
Blowing SnowTuesday Night

Low: 19 °F
Heavy Snow
Wednesday

High: 26 °F
Snow Showers
and BreezyWednesday Night

Low: 13 °F
Snow Showers
New Year's Day

High: 20 °F
Snow Showers
Likely
Detailed Forecast
This Afternoon
Rain before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 54. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms. Low around 33. Breezy, with a south wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of rain showers before 8am, then snow showers likely, possibly mixed with rain showers and sleet between 8am and 9am, then snow showers after 9am. Patchy blowing snow after 8am. Temperature falling to around 24 by 4pm. Windy, with a southwest wind 24 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday Night
Snow showers. The snow could be heavy at times. Widespread blowing snow, mainly before 1am. Low around 19. Breezy, with a west wind 25 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Tuesday
Snow showers, mainly before 1pm. Patchy blowing snow before 4pm. High near 25. Breezy, with a west wind 17 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.
Tuesday Night
Snow showers. The snow could be heavy at times. Low around 19. West wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Wednesday
Snow showers. High near 26. Breezy, with a west wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%.
Wednesday Night
Snow showers. Low around 13. West wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
New Year's Day
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mayville NY
42.26°N 79.5°W (Elev. 1398 ft)
42.26°N 79.5°W (Elev. 1398 ft)
12:36 pm EST Dec 28, 2025
12pm EST Dec 28, 2025-6pm EST Jan 3, 2026



