Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

73°F

23°C

Humidity	96%
Wind Speed	SW 16 G 21 mph
Barometer	29.87 in (1010.6 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	17 Jul 9:56 am EDT

More Information:

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

Extended Forecast for

4 Miles ENE Greenhurst NY

Today
High: 81 °F
Chance
T-storms
Tonight
Low: 58 °F
Increasing
Clouds
Friday
High: 76 °F
Gradual
Clearing
Friday Night
Low: 57 °F
Mostly Clear
Saturday
High: 82 °F
Chance
Showers then
Showers
Likely
Saturday Night
Low: 64 °F
Showers
Likely
Sunday
High: 79 °F
Chance
Showers then
Mostly Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 80 °F
Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 81. West wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Increasing clouds, with a low around 58. West wind 5 to 11 mph.

Friday

Cloudy through mid morning, then gradual clearing, with a high near 76. Light north wind.

Friday Night

Mostly clear, with a low around 57. Calm wind.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. Southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers before 8am. Mostly sunny, with a high near 79. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.

Sunday Night

Mostly clear, with a low around 58. Light and variable wind.

Monday

Sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 58.

Tuesday

A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.