Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fog/Mist

68°F

20°C

Humidity	100%
Wind Speed	S 5 mph
Barometer	30.10 in (1018.3 mb)
Dewpoint	68°F (20°C)
Visibility	6.00 mi
Last update	16 Jul 12:56 am EDT

More Information:

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

Extended Forecast for

3 Miles E Greenhurst NY

Overnight
Low: 67 °F
Mostly Clear
Wednesday
High: 83 °F
Slight Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 69 °F
T-storms then
Chance
Showers
Thursday
High: 80 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 60 °F
Chance
Showers
Friday
High: 72 °F
Partly Sunny
Friday Night
Low: 57 °F
Partly Cloudy
Saturday
High: 78 °F
Mostly Sunny
Saturday Night
Low: 64 °F
Chance
T-storms

Detailed Forecast

Overnight

Mostly clear, with a low around 67. South wind 3 to 5 mph.

Wednesday

Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 83. Southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers and thunderstorms before 5am, then a slight chance of showers. Low around 69. South wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Southwest wind 9 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers before 2am. Mostly cloudy, with a low around 60. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Partly sunny, with a high near 72. North wind around 7 mph.

Friday Night

Partly cloudy, with a low around 57. North wind around 6 mph becoming light and variable in the evening.

Saturday

Mostly sunny, with a high near 78. Light and variable wind becoming southwest 5 to 8 mph in the morning.

Saturday Night

A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Sunday

Partly sunny, with a high near 78.

Sunday Night

Partly cloudy, with a low around 61.