Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fog

57°F

14°C

Humidity	100%
Wind Speed	NW 5 mph
Barometer	30.11 in (1019.5 mb)
Dewpoint	57°F (14°C)
Visibility	0.25 mi
Last update	28 Aug 6:56 am EDT

More Information:

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

Extended Forecast for

Sinclairville NY

Today
High: 70 °F
Patchy Fog
then Sunny
Tonight
Low: 49 °F
Mostly Clear
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 56 °F
Partly Cloudy
Sunday
High: 80 °F
Partly Sunny
Sunday Night
Low: 63 °F
Chance
Showers
Monday
High: 82 °F
Mostly Cloudy
Monday Night
Low: 66 °F
Chance
Showers then
Chance
T-storms
Tuesday
High: 82 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Today

Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 70. Light north wind increasing to 5 to 9 mph in the morning.

Tonight

Mostly clear, with a low around 49. Light and variable wind.

Saturday

Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight.

Sunday

Partly sunny, with a high near 80. South wind 5 to 9 mph becoming west in the afternoon.

Sunday Night

A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Light south wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

Mostly cloudy, with a high near 82. South wind 5 to 7 mph.

Monday Night

A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 66. South wind 3 to 6 mph. Chance of precipitation is 40%.

Tuesday

A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

Tuesday Night

A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Wednesday

Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

Thursday

Partly sunny, with a high near 78.