Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 30.22 in (1022.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 16 Aug 1:56 am EDT
Extended Forecast for

2 Miles W Conewango Valley NY

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 8am.  Otherwise, sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 61. Light and variable wind.

    Low: 61 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 82. Calm wind becoming west 5 to 7 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: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 54. Northeast wind 3 to 6 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. East wind around 6 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am.  Partly cloudy, with a low around 57. Northeast wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 30%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 82. South wind around 7 mph.  Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 60. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 61. Light and variable wind.
Sunday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 82. Calm wind becoming west 5 to 7 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.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 54. Northeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 80. East wind around 6 mph.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 57. Northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Tuesday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. South wind around 7 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
A chance of thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Conewango Valley NY
 42.27°N 79.06°W (Elev. 1276 ft)
2:18 am EDT Aug 16, 2025
2am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database