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.

A Few Clouds

52°F

11°C

Humidity	100%
Wind Speed	S 7 mph
Barometer	29.74 in (1007.3 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Wind Chill	50°F (10°C)
Last update	17 Jun 6:56 am EDT

More Information:

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

Extended Forecast for

Celoron NY

Today
High: 74 °F
Increasing
Clouds
Tonight
Low: 58 °F
Showers and
Breezy
Thursday
High: 74 °F
Showers and
Breezy
Thursday Night
Low: 54 °F
Chance
Showers
Juneteenth
High: 71 °F
Slight Chance
Showers
Friday Night
Low: 52 °F
Mostly Clear
Saturday
High: 70 °F
Sunny
Saturday Night
Low: 52 °F
Mostly Clear
Sunday
High: 74 °F
Mostly Sunny

Detailed Forecast

Today

Increasing clouds, with a high near 74. Southwest wind 7 to 11 mph.

Tonight

Showers, with thunderstorms also possible after 2am. Low around 58. Breezy, with a south wind 6 to 11 mph increasing to 18 to 23 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers and thunderstorms before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 74. Breezy, with a west wind 17 to 21 mph, with gusts as high as 36 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 before 2am. Mostly cloudy, with a low around 54. West wind 7 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Juneteenth

A slight chance of showers after 8am. Mostly sunny, with a high near 71. West wind 9 to 17 mph. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 52. West wind 5 to 10 mph.

Saturday

Sunny, with a high near 70. West wind 10 to 16 mph.

Saturday Night

Mostly clear, with a low around 52. West wind 5 to 8 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 74.

Sunday Night

Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.