Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

57°F

14°C

Humidity	69%
Wind Speed	W 8 mph
Barometer	29.92 in (1013.9 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Last update	15 Jun 6:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles ESE Youngsville PA

Tonight
Low: 47 °F
Mostly Clear
Tuesday
High: 75 °F
Mostly Sunny
Tuesday Night
Low: 52 °F
Partly Cloudy
then Chance
Showers
Wednesday
High: 77 °F
Slight Chance
Showers
Wednesday Night
Low: 59 °F
Chance
Showers then
Showers
Thursday
High: 81 °F
Showers
Thursday Night
Low: 54 °F
Chance
T-storms then
Mostly Cloudy
Juneteenth
High: 74 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 51 °F
Chance
T-storms then
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the morning.

Tuesday Night

A chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 52. Calm wind. Chance of precipitation is 30%.

Wednesday

A slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 77. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Wednesday Night

A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 59. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

Juneteenth

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 51. Chance of precipitation is 30%.

Saturday

A chance of showers before 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 30%.

Saturday Night

Partly cloudy, with a low around 51.

Sunday

A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.