Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. 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

75°F

24°C

Humidity	100%
Wind Speed	S 7 mph
Barometer	30.03 in (1015.9 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Last update	1 Jul 1:56 am EDT

More Information:

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

Extended Forecast for

2 Miles ESE Russell PA

Heat Advisory July 1, 02:46am until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 1, 02:46am until July 3, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Overnight
Low: 71 °F
Scattered
Showers
Wednesday
High: 93 °F
Isolated
Showers then
Mostly Sunny
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 95 °F
Hot
Thursday Night
Low: 72 °F
Mostly Clear
Friday
High: 92 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 68 °F
Chance
T-storms
Independence Day
High: 87 °F
Showers
Likely

Detailed Forecast

Overnight

Scattered showers and thunderstorms before 3am, then isolated showers between 3am and 4am. Partly cloudy, with a low around 71. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Isolated showers between 8am and 11am. Mostly sunny and hot, with a high near 93. Heat index values as high as 100. West wind 5 to 8 mph. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 71. West wind around 5 mph becoming calm in the evening.

Thursday

Sunny and hot, with a high near 95. Heat index values as high as 100. West wind 3 to 8 mph.

Thursday Night

Mostly clear, with a low around 72. West wind 3 to 5 mph.

Friday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Independence Day

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Sunday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Monday Night

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

Tuesday

Mostly sunny, with a high near 84.