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

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Mostly Cloudy

84°F

29°C

Humidity	51%
Wind Speed	W 7 mph
Barometer	30.08 in (1017.7 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	21 Jun 2:53 pm EDT

More Information:

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

Extended Forecast for

Geneva NY

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

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 74 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 89 °F
Slight Chance
T-storms then
Sunny
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 91 °F
Hot
Monday Night
Low: 75 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 83 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 67 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms between 7pm and 9pm. Partly cloudy, with a low around 74. South wind 7 to 13 mph. Chance of precipitation is 20%.

Sunday

A slight chance of showers and thunderstorms between 9am and noon. Mostly sunny, with a high near 89. Heat index values as high as 96. West wind 10 to 15 mph. Chance of precipitation is 20%.

Sunday Night

Mostly clear, with a low around 75. West wind around 7 mph.

Monday

Sunny and hot, with a high near 91. Heat index values as high as 98. West wind 6 to 8 mph.

Monday Night

Mostly clear, with a low around 75. Southwest wind around 6 mph.

Tuesday

Sunny, with a high near 88. West wind 7 to 9 mph.

Tuesday Night

Partly cloudy, with a low around 71. West wind 3 to 6 mph.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Northwest wind 3 to 6 mph. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Thursday

Showers likely, mainly after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

Thursday Night

Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Friday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Saturday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%.