National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

37°F

3°C

Humidity 89%
Wind Speed N 8 mph
Barometer 30.28 in (1027.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 15 Nov 1:56 pm EST
Extended Forecast for

4 Miles SSE Youngsville PA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 40. Northwest wind around 6 mph.

    High: 40 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Cloudy

  • Monday

    Monday: Cloudy, with a high near 48. Calm wind becoming northwest around 5 mph.

    High: 48 °F

    Cloudy

  • Monday Night

    Monday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 53. Calm wind becoming west around 5 mph.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 40. Northwest wind around 6 mph.
Tonight
Cloudy, with a low around 35. Calm wind.
Monday
Cloudy, with a high near 48. Calm wind becoming northwest around 5 mph.
Monday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 53. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Youngsville PA
 41.81°N 79.28°W (Elev. 1198 ft)
Last Update:
1:36 pm EST Nov 15, 2026
Forecast Valid:
2pm EST Nov 15, 2026-6pm EST Nov 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation