Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. 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

77°F

25°C

Humidity	71%
Wind Speed	SW 8 mph
Barometer	30.15 in (1020.5 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	21 Jun 11:56 am EDT

More Information:

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

Extended Forecast for

Ripley NY

Heat Advisory June 22, 12:00pm until June 24, 06:00pm

Click here for hazard details and duration

Heat Advisory

This Afternoon
High: 87 °F
Chance
T-storms
Tonight
Low: 76 °F
Mostly Clear
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 76 °F
Clear
Monday
High: 89 °F
Sunny
Monday Night
Low: 74 °F
Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 70 °F
Partly Cloudy
Wednesday
High: 83 °F
Chance
T-storms

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 87. Southwest wind around 11 mph. Chance of precipitation is 30%.

Tonight

Mostly clear, with a low around 76. Southwest wind 13 to 17 mph.

Sunday

Sunny, with a high near 88. West wind 13 to 16 mph.

Sunday Night

Clear, with a low around 76. Southwest wind 7 to 9 mph.

Monday

Sunny, with a high near 89. West wind 9 to 11 mph.

Monday Night

Clear, with a low around 74. Southwest wind 6 to 8 mph.

Tuesday

Sunny, with a high near 87. West wind 8 to 10 mph.