Hazardous Weather Conditions
Current conditions at
Penn Yan, Penn Yan Airport (KPEO)
Lat: 42.64°NLon: 77.05°WElev: 902ft.
Fair
81°F
27°C
| Humidity | 65% |
| Wind Speed | W 10 mph |
| Barometer | 30.03 in (1016.0 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 2 Jul 11:53 pm EDT |
Extended Forecast for
Crystal Spring NY
Extreme Heat Warning July 3, 12:49am until July 3, 08:00pm
NOW until 8:00pm Fri

Extreme Heat Warning
Overnight

Low: 72 °F
Mostly Clear
Friday
High: 93 °F
Sunny then
Chance
T-stormsFriday Night

Low: 68 °F
Chance
T-stormsIndependence Day

High: 85 °F
T-storms
LikelySaturday Night

Low: 63 °F
Chance
ShowersSunday
High: 81 °F
Chance
Showers then
Chance
T-stormsSunday Night

Low: 63 °F
Showers
LikelyMonday

High: 79 °F
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 72. Southwest wind around 6 mph.
Friday
A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 93. Heat index values as high as 99. 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 before 2am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 68. Southwest wind 3 to 6 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
Showers and thunderstorms likely, mainly between 2pm and 3pm. Partly sunny, with a high near 85. West wind 5 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
A chance of showers. Mostly cloudy, with a low around 63. Light north wind. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Monday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Monday Night
Showers, mainly before 2am. Low around 62. Chance of precipitation is 80%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
A chance of thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Crystal Spring NY
42.48°N 77.07°W (Elev. 1250 ft)
42.48°N 77.07°W (Elev. 1250 ft)
11:36 pm EDT Jul 2, 2026
12am EDT Jul 3, 2026-6pm EDT Jul 9, 2026



