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.

Fair

70°F

21°C

Humidity	97%
Wind Speed	Calm
Barometer	30.09 in (1018.1 mb)
Dewpoint	69°F (21°C)
Visibility	9.00 mi
Last update	15 Jul 11:56 pm EDT

More Information:

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

Extended Forecast for

4 Miles ENE Greenhurst NY

Overnight
Low: 68 °F
Mostly Clear
Wednesday
High: 85 °F
Slight Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 69 °F
Showers
Likely
Thursday
High: 84 °F
Chance
T-storms then
Showers
Thursday Night
Low: 60 °F
Showers then
Chance
Showers
Friday
High: 76 °F
Partly Sunny
Friday Night
Low: 56 °F
Mostly Clear
Saturday
High: 80 °F
Mostly Sunny
Saturday Night
Low: 62 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 68. Light south wind.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 85. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 84. West wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 60. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Partly sunny, with a high near 76. North wind around 6 mph.

Friday Night

Mostly clear, with a low around 56. Light and variable wind.

Saturday

Mostly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.

Saturday Night

A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

Sunday

Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

Sunday Night

A chance of thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 81.

Monday Night

Partly cloudy, with a low around 61.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.