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
4 Miles NW Sinnamahoning PA
Wind Advisory March 15, 04:00pm until March 16, 08:00am
Today
High: 49 °F
Partly Sunny
Tonight
Low: 43 °F
Slight Chance
Showers then
Showers
LikelyMonday
High: 57 °F⇓
Severe
ThunderstormsMonday Night
Low: 19 °F
Rain/Snow
then Snow
ShowersTuesday
High: 26 °F
Chance Snow
ShowersTuesday Night
Low: 16 °F
Mostly Cloudy
Wednesday
High: 35 °F
Partly Sunny
Wednesday Night
Low: 26 °F
Mostly Cloudy
Thursday
High: 44 °F
Mostly Cloudy
Detailed Forecast
Today
Partly sunny, with a high near 49. Southeast wind around 17 mph, with gusts as high as 41 mph.
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 43. Southeast wind 16 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. Temperature rising to near 57 by 11am, then falling to around 44 during the remainder of the day. South wind around 15 mph becoming southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and snow showers, becoming all snow after 11pm. Low around 19. West wind 15 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday
A chance of snow showers, mainly before 2pm. Mostly cloudy, with a high near 26. West wind 16 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Saturday
Rain and snow showers likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NW Sinnamahoning PA
41.44°N 78.1°W (Elev. 1818 ft)
41.44°N 78.1°W (Elev. 1818 ft)
8:05 am EDT Mar 15, 2026
11am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
