Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
25°F
-4°C
| Humidity | 74% |
| Wind Speed | E 6 mph |
| Barometer | 30.16 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 26 Dec 3:15 am EST |
Extended Forecast for
5 Miles S Cross Fork PA
Winter Weather Advisory December 26, 12:00pm until December 27, 07:00am
Overnight

Low: 19 °F
Mostly Cloudy
Friday
High: 26 °F
Slight Chance
Snow then
Wintry MixFriday Night
Low: 21 °F
Wintry Mix
then CloudySaturday

High: 34 °F
Mostly Cloudy
Saturday Night

Low: 23 °F
Mostly Cloudy
Sunday
High: 35 °F
Chance
Freezing Rain
then
Rain/Freezing
RainSunday Night

Low: 34 °F
Showers
Monday
High: 47 °F
Showers then
Rain/SnowMonday Night

Low: 19 °F
Chance Snow
Showers
Detailed Forecast
Overnight
Mostly cloudy, with a low around 19. East wind around 5 mph.
Friday
Snow and sleet before 3pm, then freezing rain and sleet between 3pm and 4pm, then sleet after 4pm. The sleet could be heavy at times. High near 26. Southeast wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.
Friday Night
Snow, freezing rain, and sleet before 8pm, then a chance of freezing rain and sleet between 8pm and 11pm. Low around 21. Southeast wind 5 to 10 mph becoming light east after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 34. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 23. East wind 3 to 5 mph.
Sunday
A chance of freezing rain before 1pm, then rain or freezing rain between 1pm and 4pm, then rain showers after 4pm. High near 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 34. Chance of precipitation is 100%.
Monday
Rain showers before 1pm, then a chance of rain and snow showers. High near 47. Chance of precipitation is 90%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Tuesday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
New Year's Day
Mostly cloudy, with a high near 22.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles S Cross Fork PA
41.41°N 77.81°W (Elev. 2096 ft)
41.41°N 77.81°W (Elev. 2096 ft)
2:26 am EST Dec 26, 2025
3am EST Dec 26, 2025-6pm EST Jan 1, 2026



