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

27°F

-3°C

Humidity 92%
Wind Speed W 13 mph
Barometer 29.89 in (1014.6 mb)
Dewpoint 25°F (-4°C)
Visibility 1.00 mi
Wind Chill16°F (-9°C)
Last update 17 Jan 3:56 pm EST
Extended Forecast for

Mayville NY

Winter Storm Warning January 19, 07:00am until January 21, 04:00pm
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Snow showers, mainly before 4pm. The snow could be heavy at times. High near 33. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 33 °F

    Heavy Snow

  • Tonight

    Tonight: A chance of snow showers, mainly between 2am and 5am. Mostly cloudy, with a low around 12. West wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 20. Southwest wind 11 to 15 mph.

    High: 20 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 14. Southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    Showers

  • M.L.King Day

    M.L.King Day: A chance of snow showers before 1pm, then snow after 1pm. The snow could be heavy at times. Areas of blowing snow after 1pm. High near 22. Breezy, with a west wind 13 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.

    High: 22 °F

    Chance Snow
    Showers then
    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Snow. Areas of blowing snow between 1am and 4am. Low around 4. West wind around 15 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.

    Low: 4 °F

    Snow and
    Areas Blowing
    Snow

  • Tuesday

    Tuesday: Snow likely before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 11. Southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 11 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 6. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 6 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

Detailed Forecast

This Afternoon
Snow showers, mainly before 4pm. The snow could be heavy at times. High near 33. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of snow showers, mainly between 2am and 5am. Mostly cloudy, with a low around 12. West wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 20. Southwest wind 11 to 15 mph.
Sunday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 14. Southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
M.L.King Day
A chance of snow showers before 1pm, then snow after 1pm. The snow could be heavy at times. Areas of blowing snow after 1pm. High near 22. Breezy, with a west wind 13 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.
Monday Night
Snow. Areas of blowing snow between 1am and 4am. Low around 4. West wind around 15 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Tuesday
Snow likely before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 11. Southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 6. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 18.
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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:
3:37 pm EST Jan 17, 2026
Forecast Valid:
3pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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