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.

Mostly Cloudy

76°F

24°C

Humidity	77%
Wind Speed	NW 15 mph
Barometer	30.01 in (1015.6 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	17 Aug 3:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles SW Greenhurst NY

This Afternoon
High: 78 °F
Chance
T-storms
Tonight
Low: 53 °F
Chance
Showers then
Partly Cloudy
Monday
High: 76 °F
Mostly Sunny
Monday Night
Low: 57 °F
Mostly Clear
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Chance
Showers
Wednesday
High: 78 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 61 °F
Chance
T-storms then
Mostly Cloudy
Thursday
High: 76 °F
Partly Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Northwest wind around 13 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 53. North wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

Mostly sunny, with a high near 76. East wind around 9 mph.

Monday Night

Mostly clear, with a low around 57. Northeast wind around 7 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 62. South wind 6 to 8 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 78. South wind around 7 mph becoming west in the afternoon. Chance of precipitation is 40%.

Wednesday Night

A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 61. Northeast wind around 7 mph. Chance of precipitation is 30%.

Thursday

Partly sunny, with a high near 76.

Thursday Night

Mostly clear, with a low around 56.

Friday

Sunny, with a high near 81.

Friday Night

Mostly clear, with a low around 61.

Saturday

Mostly sunny, with a high near 82.