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

17°F

-8°C

Humidity 92%
Wind Speed SW 12 mph
Barometer 29.72 in (1009.7 mb)
Dewpoint 15°F (-9°C)
Visibility 1.25 mi
Wind Chill4°F (-16°C)
Last update 31 Dec 2:56 am EST
Extended Forecast for

3 Miles ESE Youngsville PA

Lake Effect Snow Warning December 31, 03:20am until January 1, 07:00pm
Click here for hazard details and duration
Lake Effect Snow Warning
  •  
    Lake Effect Snow Warning December 31, 03:20am until January 1, 07:00pm

    NOW until 7:00pm Thu

    Lake Effect Snow Warning

  • Overnight

    Low: 17 °F

    Snow Showers

  • Wednesday

    Wednesday: Snow showers. High near 28. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Showers
    Likely then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 11pm. The snow could be heavy at times. Low around 11. Northwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 11 °F

    Heavy Snow
    then
    Scattered
    Snow Showers

  • New Year's Day

    New Year's Day: Scattered snow showers. Mostly cloudy, with a high near 20. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: Scattered snow showers. Mostly cloudy, with a low around 13. Southwest wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Scattered
    Snow Showers

  • Friday

    Friday: Scattered snow showers, mainly before 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.

    High: 27 °F

    Scattered
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow showers, mainly before 5am. Low around 17. West wind around 8 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers. High near 28. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers, mainly before 11pm. The snow could be heavy at times. Low around 11. Northwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
New Year's Day
Scattered snow showers. Mostly cloudy, with a high near 20. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
Scattered snow showers. Mostly cloudy, with a low around 13. Southwest wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
Scattered snow showers, mainly before 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Mostly cloudy, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.27°W (Elev. 1339 ft)
Last Update:
2:36 am EST Dec 31, 2025
Forecast Valid:
3am EST Dec 31, 2025-6pm EST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation