Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
30°F
-1°C
| Humidity | 80% |
| Wind Speed | W 10 G 21 mph |
| Barometer | 29.50 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 4.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 31 Dec 10:55 pm EST |
Extended Forecast for
9 Miles NW Emporium PA
Winter Weather Advisory December 31, 10:59pm until January 1, 04:00pm
NOW until 4:00pm Thu
Winter Weather Advisory
Tonight
Low: 9 °F
Snow Showers
then Snow
Showers
LikelyNew Year's Day

High: 17 °F
Chance Snow
ShowersThursday Night

Low: 10 °F
Chance Snow
ShowersFriday

High: 23 °F
Slight Chance
Snow ShowersFriday Night

Low: 13 °F
Mostly Cloudy
Saturday

High: 26 °F
Mostly Cloudy
Saturday Night

Low: 15 °F
Chance Snow
ShowersSunday

High: 25 °F
Partly Sunny
Detailed Forecast
Tonight
Snow showers, mainly before 1am. Low around 9. Wind chill values as low as -5. Northwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
New Year's Day
A chance of snow showers, mainly between noon and 1pm. Partly sunny, with a high near 17. Wind chill values as low as -5. West wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 10. Wind chill values as low as zero. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 23. Wind chill values as low as zero. West wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 13. West wind 6 to 8 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly cloudy, with a high near 35.
Tuesday Night
A chance of freezing rain. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
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)
8:41 pm EST Dec 31, 2025
10pm EST Dec 31, 2025-6pm EST Jan 7, 2026



