Hazardous Weather Conditions
Current conditions at
Penn Yan, Penn Yan Airport (KPEO)
Lat: 42.64°NLon: 77.05°WElev: 902ft.
Fair
78°F
26°C
| Humidity | 69% |
| Wind Speed | SW 7 mph |
| Barometer | 30.00 in (1014.9 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 2 Jul 2:53 am EDT |
Extended Forecast for
Dundee NY
Extreme Heat Warning July 2, 03:44am until July 3, 08:00pm
NOW until 8:00pm Fri

Extreme Heat Warning
Overnight

Low: 74 °F
Mostly Clear
Thursday

High: 97 °F
Hot
Thursday Night

Low: 75 °F
Mostly Clear
Friday

High: 94 °F
Chance
T-stormsFriday Night

Low: 71 °F
Chance
ShowersIndependence Day

High: 88 °F
Showers
LikelySaturday Night
Low: 66 °F
Showers
Likely then
Mostly CloudySunday
High: 84 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
Overnight
Mostly clear, with a low around 74. Southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 106. West wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 75. West wind 3 to 6 mph.
Friday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 101. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Independence Day
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Dundee NY
42.51°N 76.97°W (Elev. 997 ft)
42.51°N 76.97°W (Elev. 997 ft)
2:30 am EDT Jul 2, 2026
3am EDT Jul 2, 2026-6pm EDT Jul 8, 2026



