Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. 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.

Fog/Mist

68°F

20°C

Humidity	100%
Wind Speed	S 5 mph
Barometer	30.10 in (1018.4 mb)
Dewpoint	68°F (20°C)
Visibility	3.00 mi
Last update	16 Jul 1:56 am EDT

More Information:

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

Extended Forecast for

3 Miles ENE Dewittville NY

Overnight
Low: 66 °F
Mostly Clear
Wednesday
High: 84 °F
Slight Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 70 °F
T-storms
Likely then
Chance
Showers
Thursday
High: 83 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 60 °F
Chance
Showers
Friday
High: 75 °F
Mostly Sunny
Friday Night
Low: 58 °F
Partly Cloudy
Saturday
High: 80 °F
Mostly Sunny
Saturday Night
Low: 64 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Overnight

Mostly clear, with a low around 66. South wind around 5 mph.

Wednesday

Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 84. South wind around 7 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Southwest wind 9 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers before 2am. Mostly cloudy, with a low around 60. West wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Mostly sunny, with a high near 75. North wind around 6 mph.

Friday Night

Partly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening.

Saturday

Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 7 mph in the morning.

Saturday Night

A chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Sunday

A chance of thunderstorms before 8am. Partly sunny, with a high near 79. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 61.

Monday

Mostly sunny, with a high near 81.

Monday Night

A chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

Tuesday

A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.