Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

62°F

17°C

Humidity	56%
Wind Speed	S 13 G 26 mph
Barometer	29.79 in (1008.6 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	16 Jun 10:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles SSW Sherman NY

Tonight
Low: 53 °F
Chance
T-storms
Wednesday
High: 72 °F
Increasing
Clouds
Wednesday Night
Low: 57 °F
Showers and
Breezy
Thursday
High: 73 °F
Showers and
Breezy
Thursday Night
Low: 54 °F
Chance
Showers
Juneteenth
High: 69 °F
Chance
Showers
Friday Night
Low: 52 °F
Chance
Showers
Saturday
High: 68 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 53. South wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Increasing clouds, with a high near 72. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

Wednesday Night

Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 57. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Showers and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 73. Breezy, with a west wind 16 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 54. West wind 8 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Juneteenth

A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 69. West wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Friday Night

A chance of showers before 2am. Partly cloudy, with a low around 52. West wind 7 to 10 mph. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 68. West wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Night

Partly cloudy, with a low around 52.

Sunday

Mostly sunny, with a high near 71.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.