Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
34°F
1°C
| Humidity | 87% |
| Wind Speed | Calm |
| Barometer | 29.97 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 25 Dec 5:55 am EST |
Extended Forecast for
2 Miles E Grandview Park PA
Winter Storm Watch December 26, 07:00am until December 27, 07:00am
Christmas Day
High: 40 °F
Partly Sunny
Tonight
Low: 19 °F
Partly Cloudy
Friday
High: 27 °F
Chance Snow
then Wintry
MixFriday Night
Low: 23 °F
Wintry Mix
Saturday
High: 35 °F
Chance Snow
then Mostly
CloudySaturday Night
Low: 24 °F
Mostly Cloudy
Sunday
High: 42 °F
Chance Rain
then RainSunday Night
Low: 34 °F
Rain
Monday
High: 41 °F
Rain/Snow
Detailed Forecast
Christmas Day
Partly sunny, with a high near 40. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 19. North wind 5 to 7 mph becoming calm in the evening.
Friday
Snow and sleet before 3pm, then freezing rain and sleet. The sleet could be heavy at times. High near 27. East wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than one inch possible.
Friday Night
Freezing rain and sleet before 4am, then a chance of snow. Low around 23. Southeast wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Saturday
A chance of snow before 7am. Mostly cloudy, with a high near 35. Light and variable wind becoming north around 6 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Rain, mainly after 1pm. High near 42. Chance of precipitation is 80%.
Sunday Night
Rain. Low around 34. Chance of precipitation is 90%.
Monday
Rain and snow, becoming all snow after 1pm. High near 41. Chance of precipitation is 80%.
Monday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 15. Breezy. Chance of precipitation is 60%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles E Grandview Park PA
41.41°N 78.49°W (Elev. 1752 ft)
41.41°N 78.49°W (Elev. 1752 ft)
2:46 am EST Dec 25, 2025
6am EST Dec 25, 2025-6pm EST Dec 31, 2025
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