Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

61°F

16°C

Humidity	100%
Wind Speed	S 7 mph
Barometer	29.96 in (1014.1 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	27 Aug 1:56 am EDT

More Information:

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

Extended Forecast for

Sinclairville NY

Overnight
Low: 61 °F
Mostly Cloudy
Thursday
High: 76 °F
Chance
Showers
Thursday Night
Low: 59 °F
Chance
Showers
Friday
High: 74 °F
Slight Chance
Showers then
Mostly Sunny
Friday Night
Low: 53 °F
Mostly Clear
Saturday
High: 75 °F
Sunny
Saturday Night
Low: 56 °F
Partly Cloudy
Sunday
High: 79 °F
Partly Sunny
Sunday Night
Low: 63 °F
Chance
Showers

Detailed Forecast

Overnight

Mostly cloudy, with a low around 61. South wind around 8 mph.

Thursday

A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 5pm. Partly sunny, with a high near 76. South wind 8 to 11 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers, mainly between 11pm and 5am. Increasing clouds, with a low around 59. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A slight chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 53. Calm wind.

Saturday

Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 56. Light and variable wind.

Sunday

Partly sunny, with a high near 79. Southwest wind 5 to 8 mph.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

Monday

A chance of showers before 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.