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Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
6 Miles ESE Sinnamahoning PA
Tonight
Low: 26 °F
Partly Cloudy
then Snow
LikelySunday
High: 33 °F
Snow Likely
then Mostly
SunnySunday Night

Low: 14 °F
Mostly Clear
Monday

High: 34 °F
Sunny
Monday Night
Low: 23 °F
Mostly Clear
then Chance
Wintry MixTuesday
High: 41 °F
Wintry Mix
Likely then
Wintry MixTuesday Night

Low: 37 °F
Showers
Wednesday

High: 50 °F
Mostly Cloudy
Wednesday Night

Low: 42 °F
Showers
Likely
Detailed Forecast
Tonight
A chance of snow showers between 2am and 4am, then snow likely after 4am. Increasing clouds, with a low around 26. Northwest wind around 8 mph becoming northeast after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Sunday
Snow likely before 7am, then a slight chance of snow showers between 7am and 10am. Partly sunny, with a high near 33. North wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly clear, with a low around 14. North wind 6 to 9 mph.
Monday
Sunny, with a high near 34. Light and variable wind becoming south around 6 mph in the afternoon.
Monday Night
A chance of snow after 1am, mixing with freezing rain after 4am. Partly cloudy, with a low around 23. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday
Snow and freezing rain likely, possibly mixed with sleet before 1pm, then rain, possibly mixed with snow. High near 41. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.
Tuesday Night
Showers, mainly before 1am. Low around 37. Chance of precipitation is 90%.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles ESE Sinnamahoning PA
41.35°N 77.94°W (Elev. 1998 ft)
41.35°N 77.94°W (Elev. 1998 ft)
3:41 pm EST Feb 28, 2026
3pm EST Feb 28, 2026-6pm EST Mar 7, 2026



