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 >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Light Rain

72°F

22°C

Humidity	100%
Wind Speed	NW 10 mph
Barometer	30.01 in (1015.6 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	17 Aug 1:56 pm EDT

More Information:

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

Extended Forecast for

4 Miles ESE Conewango Valley NY

This Afternoon
High: 76 °F
Showers
Likely
Tonight
Low: 50 °F
Showers
Likely then
Partly Cloudy
Monday
High: 75 °F
Mostly Sunny
Monday Night
Low: 53 °F
Mostly Clear
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Chance
Showers
Wednesday
High: 77 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 58 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 76 °F
Partly Sunny

Detailed Forecast

This Afternoon

Showers and thunderstorms likely. Mostly cloudy, with a high near 76. North wind 9 to 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 50. Northeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

Mostly sunny, with a high near 75. East wind 6 to 8 mph.

Monday Night

Mostly clear, with a low around 53. Northeast wind around 6 mph becoming southeast after midnight.

Tuesday

Mostly sunny, with a high near 79. 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 59. 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, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. South wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.

Thursday

Partly sunny, with a high near 76.

Thursday Night

Mostly clear, with a low around 53.

Friday

Sunny, with a high near 81.

Friday Night

Mostly clear, with a low around 58.

Saturday

Mostly sunny, with a high near 82.