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

28°F

-2°C

Humidity 69%
Wind Speed W 12 G 21 mph
Barometer 30.19 in (1025.0 mb)
Dewpoint 19°F (-7°C)
Visibility 9.00 mi
Wind Chill18°F (-8°C)
Last update 28 Nov 9:56 pm EST
Extended Forecast for

Youngsville PA

Lake Effect Snow Warning November 28, 10:09pm until November 29, 01:00am
Click here for hazard details and duration
Lake Effect Snow Warning
  •  
    Lake Effect Snow Warning November 28, 10:09pm until November 29, 01:00am

    NOW until 1:00am Sat

    Lake Effect Snow Warning

  • Tonight

    Low: 21 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: A slight chance of snow showers before 10am, then a chance of snow showers after 4pm. Mostly cloudy, with a high near 34. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Slight Chance
    Snow Showers
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Snow. Low around 25. Light southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: Rain, possibly mixed with snow. High near 40. South wind 11 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Low around 20. West wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow

  • Monday

    Monday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Snow likely after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.

    High: 34 °F

    Snow Likely

Detailed Forecast

Tonight
Scattered snow showers. Mostly cloudy, with a low around 21. West wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers before 10am, then a chance of snow showers after 4pm. Mostly cloudy, with a high near 34. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow. Low around 25. Light southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
Rain, possibly mixed with snow. High near 40. South wind 11 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. Low around 20. West wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 31.
Monday Night
Snow likely after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Tuesday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.
Tuesday Night
A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Friday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Youngsville PA
 41.85°N 79.33°W (Elev. 1312 ft)
Last Update:
8:21 pm EST Nov 28, 2025
Forecast Valid:
10pm EST Nov 28, 2025-6pm EST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation