Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

69°F

21°C

Humidity	93%
Wind Speed	N 3 mph
Barometer	30.13 in (1019.7 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	14 Jul 11:56 pm EDT

More Information:

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

Extended Forecast for

Mayville NY

Overnight
Low: 63 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 69 °F
Partly Cloudy
Wednesday
High: 84 °F
Chance
T-storms
Wednesday Night
Low: 69 °F
Showers
Likely
Thursday
High: 83 °F
Showers
Likely
Thursday Night
Low: 64 °F
Showers
Likely then
Chance
T-storms
Friday
High: 77 °F
Chance
T-storms
Friday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 63. Calm wind.

Tuesday

Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 69. Light and variable wind.

Wednesday

A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 84. Southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 64. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Friday

A chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 77. Northwest wind around 8 mph. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 62.

Saturday

Mostly sunny, with a high near 81.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.