Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

73°F

23°C

Humidity	64%
Wind Speed	W 7 mph
Barometer	29.98 in (1014.8 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	19 Aug 6:56 pm EDT

More Information:

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

Extended Forecast for

Celoron NY

Tonight
Low: 58 °F
Mostly Cloudy
then Patchy
Fog
Thursday
High: 77 °F
Chance
Showers and
Areas Fog
then Mostly
Sunny
Thursday Night
Low: 53 °F
Patchy Fog
Friday
High: 80 °F
Patchy Fog
then Sunny
Friday Night
Low: 58 °F
Mostly Clear
Saturday
High: 80 °F
Mostly Sunny
then Showers
Saturday Night
Low: 57 °F
Showers
Sunday
High: 74 °F
Chance
Showers
Sunday Night
Low: 53 °F
Chance
Showers

Detailed Forecast

Tonight

Patchy fog after 2am. Otherwise, increasing clouds, with a low around 58. West wind 5 to 9 mph becoming light and variable after midnight.

Thursday

A chance of showers between 10am and noon. Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53. North wind around 5 mph becoming calm in the evening.

Friday

Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.

Friday Night

Mostly clear, with a low around 58. Light and variable wind.

Saturday

Showers and possibly a thunderstorm after 2pm. High near 80. South wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. Southwest wind around 5 mph. Chance of precipitation is 80%.

Sunday

A chance of showers. Partly sunny, with a high near 74. West wind 6 to 11 mph. Chance of precipitation is 50%.

Sunday Night

A chance of showers before 2am. Partly cloudy, with a low around 53. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 73.

Monday Night

Partly cloudy, with a low around 52.

Tuesday

Mostly sunny, with a high near 77.