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

69°F

21°C

Humidity	87%
Wind Speed	SW 6 mph
Barometer	30.07 in (1017.4 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	16 Aug 11:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles ENE Dewittville NY

Overnight
Low: 65 °F
Chance
T-storms
Sunday
High: 80 °F
Showers
Likely
Sunday Night
Low: 56 °F
Chance
Showers then
Partly Cloudy
Monday
High: 79 °F
Mostly Sunny
Monday Night
Low: 61 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 81 °F
Showers
Likely
Tuesday Night
Low: 63 °F
Showers
Likely
Wednesday
High: 75 °F
Chance
Showers
Wednesday Night
Low: 58 °F
Partly Cloudy

Detailed Forecast

Overnight

A chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 65. South 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.

Sunday

Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers before 7pm. Mostly cloudy, with a low around 56. Northeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 79. East wind around 7 mph.

Monday Night

A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 61. Northeast wind around 6 mph becoming south after midnight. Chance of precipitation is 20%.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 70%.

Wednesday

A chance of showers. Mostly cloudy, with a high near 75. Southwest wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 50%.

Wednesday Night

Partly cloudy, with a low around 58.

Thursday

Mostly sunny, with a high near 76.

Thursday Night

Mostly clear, with a low around 57.

Friday

Sunny, with a high near 81.