Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

70°F

21°C

Humidity	79%
Wind Speed	NW 8 mph
Barometer	29.96 in (1013.8 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	17 Aug 6:56 pm EDT

More Information:

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

Extended Forecast for

Leon NY

Tonight
Low: 57 °F
Partly Cloudy
then Patchy
Fog
Tuesday
High: 74 °F
Patchy Fog
then Mostly
Sunny
Tuesday Night
Low: 58 °F
Partly Cloudy
Wednesday
High: 73 °F
Showers
Wednesday Night
Low: 55 °F
Showers
Likely then
Slight Chance
Showers
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 52 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 57 °F
Mostly Clear

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, partly cloudy, with a low around 57. Northwest wind 5 to 8 mph becoming calm in the evening.

Tuesday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph after midnight.

Wednesday

Showers, with thunderstorms also possible after 11am. High near 73. West wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 55. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Mostly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 52. Calm wind.

Friday

Sunny, with a high near 76. Light and variable wind.

Friday Night

Mostly clear, with a low around 57.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 50%.

Saturday Night

Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.