On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Flash flood threat forecast from southwestern Texas to the Appalachians on Wednesday

Heavy rainfall will be possible along a frontal boundary that will extend from Maine to far southwestern Texas on Wednesday. Rainfall amounts of 2 to 4 inches will be possible with some locations seeing 5 to 6 inches especially across the southern Plains. Flash flooding will be possible mainly from southwestern Texas to the central Appalachians. Remember: Turn Around, Don't Drown.
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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

68°F

20°C

Humidity 88%
Wind Speed S 5 mph
Barometer 29.98 in
Dewpoint 64°F (18°C)
Visibility 6.00 mi
Last update 7 Jul 10:15 pm EDT
Extended Forecast for

3 Miles ESE Youngsville PA

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am.  Low around 58. Southwest wind around 6 mph becoming northwest after midnight.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Showers then
    Showers
    Likely

    Low: 58 °F

  • Wednesday

    Wednesday: A chance of showers, mainly before noon.  Partly sunny, with a high near 73. North wind around 6 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 73 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Light and variable wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 57 °F

  • Thursday

    Thursday: Showers and thunderstorms likely.  Cloudy, with a high near 73. South wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    High: 73 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. West wind 3 to 6 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 57 °F

  • Friday

    Friday: Mostly sunny, with a high near 78.

    Mostly Sunny

    High: 78 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 54.

    Partly Cloudy

    Low: 54 °F

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    Partly Sunny

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 63.

    Mostly Cloudy

    Low: 63 °F

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 58. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, mainly before noon. Partly sunny, with a high near 73. North wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely. Cloudy, with a high near 73. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 63.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 40%.
  Click Map For Forecast
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.24°W (Elev. 1198 ft)
9:58 pm EDT Jul 7, 2015
10pm EDT Jul 7, 2015-6pm EDT Jul 14, 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database