Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

58°F

14°C

Humidity	84%
Wind Speed	Calm
Barometer	30.16 in (1021.5 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Last update	21 Aug 12:56 am EDT

More Information:

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

Extended Forecast for

Celoron NY

Overnight
Low: 52 °F
Patchy Fog
Friday
High: 77 °F
Areas Fog
then Sunny
Friday Night
Low: 54 °F
Clear
Saturday
High: 81 °F
Slight Chance
Showers then
Showers
Likely
Saturday Night
Low: 58 °F
Showers
Sunday
High: 72 °F
Showers
Sunday Night
Low: 52 °F
Chance
T-storms then
Chance
Showers
Monday
High: 71 °F
Chance
Showers
Monday Night
Low: 52 °F
Partly Cloudy

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 52. Calm wind.

Friday

Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming southeast around 6 mph in the morning.

Friday Night

Clear, with a low around 54. Light and variable wind.

Saturday

A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 81. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm. Low around 58. South wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers, with thunderstorms also possible after 11am. High near 72. West wind 8 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West wind 5 to 9 mph. Chance of precipitation is 50%.

Monday

A chance of showers before 2pm. Partly sunny, with a high near 71. West wind 6 to 14 mph. Chance of precipitation is 50%.

Monday Night

Partly cloudy, with a low around 52.

Tuesday

Mostly sunny, with a high near 76.

Tuesday Night

Partly cloudy, with a low around 54.

Wednesday

Partly sunny, with a high near 79.