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 across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. 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

89°F

32°C

Humidity	59%
Wind Speed	SW 13 G 20 mph
Barometer	30.08 in (1017.3 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	1 Jul 2:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles SSW Steamburg NY

Heat Advisory July 1, 03:55pm until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 1, 03:55pm until July 3, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Tonight
Low: 70 °F
Mostly Clear
Thursday
High: 92 °F
Hot
Thursday Night
Low: 71 °F
Partly Cloudy
Friday
High: 89 °F
Slight Chance
T-storms
Friday Night
Low: 67 °F
Chance
T-storms
Independence Day
High: 85 °F
Chance
T-storms then
Showers
Likely
Saturday Night
Low: 65 °F
Showers
Likely then
Mostly Cloudy
Sunday
High: 84 °F
Showers
Likely

Detailed Forecast

Tonight

Mostly clear, with a low around 70. Southwest wind 5 to 9 mph.

Thursday

Sunny and hot, with a high near 92. West wind 6 to 10 mph.

Thursday Night

Partly cloudy, with a low around 71. Southwest wind 5 to 7 mph.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 67. Southwest wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth 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 2pm. Partly sunny, with a high near 85. West wind 3 to 7 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

Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Light west wind. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

Monday

A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.

Monday Night

Mostly cloudy, with a low around 62.

Tuesday

Partly sunny, with a high near 82.

Tuesday Night

Partly cloudy, with a low around 62.

Wednesday

Mostly sunny, with a high near 82.