Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

A Few Clouds

80°F

27°C

Humidity	85%
Wind Speed	W 8 mph
Barometer	30.14 in (1019.6 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	2 Jul 8:56 am EDT

More Information:

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

Extended Forecast for

4 Miles NNE Sherman NY

Heat Advisory July 2, 09:20am until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 2, 09:20am until July 3, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Today
High: 89 °F
Sunny
Tonight
Low: 73 °F
Chance
T-storms
Friday
High: 89 °F
Slight Chance
T-storms
Friday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely
Independence Day
High: 84 °F
Showers
Likely then
Chance
T-storms
Saturday Night
Low: 65 °F
Chance
T-storms
Sunday
High: 82 °F
Showers
Likely
Sunday Night
Low: 64 °F
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 89. Heat index values as high as 96. West wind 8 to 13 mph.

Tonight

A chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 73. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm. Mostly sunny, with a high near 89. Heat index values as high as 95. West wind 7 to 13 mph. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. Southwest 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.

Independence Day

Showers likely and possibly a thunderstorm 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 84. West wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Southeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 70%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind around 6 mph becoming south after midnight. Chance of precipitation is 40%.

Monday

A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.

Monday Night

Partly cloudy, with a low around 64.

Tuesday

Mostly sunny, with a high near 82.

Tuesday Night

Partly cloudy, with a low around 64.

Wednesday

Mostly sunny, with a high near 80.