Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

68°F

20°C

Humidity	100%
Wind Speed	N 7 mph
Barometer	30.06 in (1017.4 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	17 Aug 7:56 pm EDT

More Information:

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

Extended Forecast for

Sinclairville NY

Tonight
Low: 53 °F
Slight Chance
Showers then
Partly Cloudy
Monday
High: 76 °F
Mostly Sunny
Monday Night
Low: 56 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny
Tuesday Night
Low: 61 °F
Chance
Showers
Wednesday
High: 78 °F
Chance
Showers
Wednesday Night
Low: 60 °F
Chance
Showers
Thursday
High: 77 °F
Partly Sunny
Thursday Night
Low: 56 °F
Mostly Clear

Detailed Forecast

Tonight

A slight chance of showers before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 53. North wind 5 to 9 mph becoming light northeast. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

Monday

Mostly sunny, with a high near 76. Northeast wind 8 to 10 mph.

Monday Night

Mostly clear, with a low around 56. Northeast wind around 6 mph becoming southeast after midnight.

Tuesday

Mostly sunny, with a high near 80. South wind around 7 mph.

Tuesday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 61. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. South wind around 7 mph becoming west in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers before 2am. Mostly cloudy, with a low around 60. Northeast wind around 6 mph. Chance of precipitation is 30%.

Thursday

Partly sunny, with a high near 77. North wind 6 to 10 mph.

Thursday Night

Mostly clear, with a low around 56.

Friday

Sunny, with a high near 82.

Friday Night

Mostly clear, with a low around 60.

Saturday

Mostly sunny, with a high near 83.