Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

68°F

20°C

Humidity	100%
Wind Speed	S 8 mph
Barometer	29.91 in (1012.6 mb)
Dewpoint	68°F (20°C)
Visibility	9.00 mi
Last update	17 Jun 8:56 pm EDT

More Information:

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

Extended Forecast for

5 Miles W Mayville NY

Tonight
Low: 67 °F
Slight Chance
T-storms then
Mostly Cloudy
Wednesday
High: 78 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 65 °F
Showers
Likely
Juneteenth
High: 73 °F
Chance
Showers
Thursday Night
Low: 58 °F
Partly Cloudy
Friday
High: 74 °F
Sunny
Friday Night
Low: 63 °F
Partly Cloudy
Saturday
High: 82 °F
Partly Sunny
Saturday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 20%.

Wednesday

A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. Southwest wind around 7 mph. Chance of precipitation is 50%. 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. Mostly cloudy, with a low around 65. South wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Juneteenth

A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 73. West wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Partly cloudy, with a low around 58. West wind 7 to 10 mph.

Friday

Sunny, with a high near 74. West wind 7 to 10 mph.

Friday Night

Partly cloudy, with a low around 63. South wind 7 to 9 mph.

Saturday

Partly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 69.

Sunday

Sunny, with a high near 85.