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

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

76°F

24°C

Humidity	74%
Wind Speed	N 3 mph
Barometer	30.09 in (1018.2 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	15 Jul 8:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles WNW Clymer NY

Tonight
Low: 68 °F
Mostly Clear
Wednesday
High: 82 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 68 °F
Showers
Likely
Thursday
High: 82 °F
Showers
Thursday Night
Low: 60 °F
Showers then
Chance
Showers
Friday
High: 74 °F
Mostly Sunny
Friday Night
Low: 56 °F
Mostly Clear
Saturday
High: 78 °F
Mostly Sunny
then Chance
Showers
Saturday Night
Low: 62 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

Tonight

Mostly clear, with a low around 68. Calm wind.

Wednesday

A chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. South wind around 6 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 68. South 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.

Thursday

Showers and possibly a thunderstorm. High near 82. West wind 7 to 10 mph, with gusts as high as 20 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 thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 60. West wind around 7 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Mostly sunny, with a high near 74. North wind around 7 mph.

Friday Night

Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Saturday Night

A chance of showers 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 78. Chance of precipitation is 60%.

Sunday Night

A chance of thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

Monday

Sunny, with a high near 79.

Monday Night

Partly cloudy, with a low around 61.

Tuesday

Mostly sunny, with a high near 83.