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
Today

High: 69 °F
Severe
ThunderstormsTonight
Low: 31 °F
Showers then
Chance
ShowersThursday

High: 37 °F
Partly Sunny
Thursday Night

Low: 28 °F
Mostly Clear
Friday

High: 46 °F
Chance
Rain/SnowFriday Night

Low: 27 °F
Chance
Rain/SnowSaturday

High: 41 °F
Mostly Sunny
Saturday Night

Low: 28 °F
Chance Snow
ShowersSunday
High: 51 °F
Chance Snow
Showers then
Chance
Rain/Snow
Detailed Forecast
Today
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 69. South wind 8 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 31. West wind 15 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Partly sunny, with a high near 37. Northwest wind 15 to 17 mph, with gusts as high as 36 mph.
Thursday Night
Mostly clear, with a low around 28. West wind 7 to 11 mph, with gusts as high as 20 mph.
Friday
A chance of snow before 11am, then a chance of rain and snow between 11am and 5pm, then a chance of rain after 5pm. Mostly cloudy, with a high near 46. South wind 10 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 27. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Sunday
A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Sunday Night
Showers, mainly after 2am. Low around 36. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 47. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 28.
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)
4:11 am EDT Mar 11, 2026
5am EDT Mar 11, 2026-6pm EDT Mar 17, 2026



