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

88°F

31°C

Humidity	61%
Wind Speed	SW 15 mph
Barometer	30.09 in (1017.6 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	2 Jul 3:56 pm EDT

More Information:

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

Extended Forecast for

Columbus PA

Heat Advisory July 2, 04:18pm until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 2, 04:18pm until July 3, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Tonight
Low: 72 °F
Slight Chance
Showers
Friday
High: 91 °F
Sunny then
Chance
T-storms
Friday Night
Low: 68 °F
Showers
Likely then
Chance
T-storms
Independence Day
High: 85 °F
Showers
Likely
Saturday Night
Low: 63 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 84 °F
Showers
Likely
Sunday Night
Low: 63 °F
Chance
T-storms
Monday
High: 81 °F
Showers
Likely

Detailed Forecast

Tonight

A slight chance of showers between 9pm and 1am. Increasing clouds, with a low around 72. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.

Friday

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and thunderstorms likely, mainly before midnight. Increasing clouds, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Independence Day

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 85. Northwest wind 3 to 8 mph. Chance of precipitation is 70%. 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 63. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 84. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

Monday Night

Mostly cloudy, with a low around 61.

Tuesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

Tuesday Night

A chance of thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

Wednesday

Partly sunny, with a high near 83.