Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
27°F
-3°C
| Humidity | 86% |
| Wind Speed | SE 15 G 23 mph |
| Barometer | 29.73 in |
| Dewpoint | 23°F (-5°C) |
| Visibility | 1.00 mi |
| Wind Chill | 15°F (-9°C) |
| Last update | 26 Dec 2:55 pm EST |
Extended Forecast for
9 Miles NW Emporium PA
Winter Weather Advisory until December 27, 07:00am
NOW until 7:00am Sat

Winter Weather Advisory
This Afternoon

High: 26 °F
Wintry Mix
Tonight
Low: 22 °F
Wintry Mix
then CloudySaturday

High: 32 °F
Decreasing
CloudsSaturday Night

Low: 19 °F
Mostly Cloudy
Sunday
High: 39 °F
Chance Wintry
Mix then
Rain/Freezing
RainSunday Night

Low: 34 °F
Showers
Monday
High: 48 °F
Showers then
Rain/SnowMonday Night

Low: 17 °F
Snow Showers
and Breezy
Detailed Forecast
This Afternoon
Sleet, possibly mixed with freezing rain. The sleet could be heavy at times. High near 26. Southeast wind around 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total daytime ice accumulation of around a 0.1 of an inch possible. Total daytime sleet accumulation of less than one inch possible.
Tonight
Freezing rain and sleet, mainly before 8pm. The sleet could be heavy at times. Low around 22. Southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 32. North wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly cloudy, with a low around 19. Light southeast wind.
Sunday
A chance of snow showers before 10am, then a chance of freezing rain between 10am and 1pm, then rain showers after 1pm. High near 39. Southeast wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Showers. Low around 34. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain showers before 1pm, then snow showers likely. High near 48. Chance of precipitation is 90%.
Monday Night
Snow showers. Low around 17. Breezy. Chance of precipitation is 90%.
Tuesday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 23. Breezy. Chance of precipitation is 60%.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 25. Chance of precipitation is 60%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 50%.
New Year's Day
A chance of snow showers. Mostly cloudy, with a high near 18. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Mostly cloudy, with a high near 18.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
9 Miles NW Emporium PA
41.59°N 78.37°W (Elev. 1942 ft)
41.59°N 78.37°W (Elev. 1942 ft)
2:21 pm EST Dec 26, 2025
3pm EST Dec 26, 2025-6pm EST Jan 2, 2026



