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 SW Randolph NY

Tonight
Low: 68 °F
Mostly Clear
Wednesday
High: 83 °F
Slight Chance
T-storms then
Chance
T-storms
Wednesday Night
Low: 68 °F
Showers
Likely
Thursday
High: 82 °F
Chance
T-storms then
Showers
Thursday Night
Low: 60 °F
Showers then
Chance
Showers
Friday
High: 74 °F
Partly Sunny
Friday Night
Low: 55 °F
Mostly Clear
Saturday
High: 78 °F
Mostly Sunny
Saturday Night
Low: 62 °F
Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 68. Light and variable wind becoming south around 5 mph after midnight.

Wednesday

A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 83. South wind around 6 mph becoming west in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. 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 82. Southwest wind 8 to 11 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 7 to 9 mph. 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 74. North wind around 7 mph.

Friday Night

Mostly clear, with a low around 55. 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 7 mph in the morning.

Saturday Night

A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

Sunday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.

Sunday Night

A chance of thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 79.

Monday Night

Partly cloudy, with a low around 60.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.