Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fog/Mist

69°F

21°C

Humidity	100%
Wind Speed	SW 6 mph
Barometer	30.06 in (1017.5 mb)
Dewpoint	69°F (21°C)
Visibility	1.25 mi
Last update	14 Jul 3:56 am EDT

More Information:

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

Extended Forecast for

Mayville NY

Today
High: 82 °F
Slight Chance
T-storms
Tonight
Low: 64 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 68 °F
Partly Cloudy
Wednesday
High: 85 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 69 °F
Chance
T-storms
Thursday
High: 83 °F
Showers
Likely
Thursday Night
Low: 67 °F
Showers
Likely
Friday
High: 79 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 3pm. Cloudy, then gradual clearing during the afternoon, with a high near 82. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 64. Light and variable wind.

Tuesday

Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 68. Light and variable wind.

Wednesday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. West wind 10 to 13 mph. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Friday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.

Friday Night

A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 80.

Saturday Night

Partly cloudy, with a low around 64.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.