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

Heavy to Excessive Rainfall for the Southwest;

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

43°F

6°C

Humidity 80%
Wind Speed N 5 mph
Barometer 30.40 in (1030.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Oct 12:56 am EDT
Extended Forecast for

Youngsville PA

Freeze Watch October 9, 11:00pm until October 10, 09:00am
Frost Advisory until October 9, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory
  •  
    Frost Advisory until October 9, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Overnight

    Low: 34 °F

    Patchy Frost

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, sunny, with a high near 61. Calm wind becoming northeast around 6 mph in the morning.

    High: 61 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 31. Calm wind.

    Low: 31 °F

    Frost

  • Friday

    Friday: Widespread frost before 9am. Otherwise, sunny, with a high near 66. Southeast wind 5 to 9 mph becoming south in the afternoon.

    High: 66 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South wind 3 to 6 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 20%.

    High: 69 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy frost after 3am. Otherwise, mostly clear, with a low around 34. Calm wind.
Thursday
Areas of frost before 9am. Otherwise, sunny, with a high near 61. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 31. Calm wind.
Friday
Widespread frost before 9am. Otherwise, sunny, with a high near 66. Southeast wind 5 to 9 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 40. South wind 3 to 6 mph.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Columbus Day
Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Youngsville PA
 41.85°N 79.33°W (Elev. 1312 ft)
Last Update:
12:56 am EDT Oct 9, 2025
Forecast Valid:
1am EDT Oct 9, 2025-6pm EDT Oct 15, 2025
 
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