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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mayville NY

Winter Weather Advisory January 21, 12:00pm until January 22, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A chance of snow showers after 5am. Partly cloudy, with a low around 7. Wind chill values as low as -5. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 7 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers, mainly after 7am. High near 31. Wind chill values as low as -5. Breezy, with a south wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 22. Southwest wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers likely. Mostly cloudy, with a high near 26. Breezy, with a west wind 18 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 7. West wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    Low: 7 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 11. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    High: 11 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around -2. Northwest wind 7 to 13 mph. Chance of precipitation is 50%.

    Low: -2 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 1pm. Mostly cloudy and cold, with a high near 7. Northwest wind around 7 mph. Chance of precipitation is 30%.

    High: 7 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 0. Chance of precipitation is 30%.

    Low: 0 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
A chance of snow showers after 5am. Partly cloudy, with a low around 7. Wind chill values as low as -5. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow showers, mainly after 7am. High near 31. Wind chill values as low as -5. Breezy, with a south wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers. Low around 22. Southwest wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers likely. Mostly cloudy, with a high near 26. Breezy, with a west wind 18 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 7. West wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Friday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 11. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around -2. Northwest wind 7 to 13 mph. Chance of precipitation is 50%.
Saturday
A chance of snow showers before 1pm. Mostly cloudy and cold, with a high near 7. Northwest wind around 7 mph. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 0. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 14. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 16. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
12:36 am EST Jan 21, 2026
Forecast Valid:
2am EST Jan 21, 2026-6pm EST Jan 27, 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