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Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

56°F

13°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 Aug 3:56 am EDT
Extended Forecast for

2 Miles SSE Youngsville PA

  • Overnight

    Overnight: A slight chance of showers after 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 70. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 49. West wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 67. Light west wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 8pm. Partly cloudy, with a low around 44. West wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers after 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 70. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 49. West wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 67. Light west wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 44. West wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Youngsville PA
 41.83°N 79.31°W (Elev. 1683 ft)
Last Update:
3:31 am EDT Aug 25, 2025
Forecast Valid:
4am EDT Aug 25, 2025-6pm EDT Aug 31, 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