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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
4 Miles SE Sinnamahoning PA
Today
High: 46 °F
Rain Likely
then RainTonight
Low: 39 °F
Slight Chance
Rain then
Mostly CloudyThursday

High: 47 °F
Chance Rain
Thursday Night

Low: 35 °F
Rain
Friday

High: 47 °F
Rain
Friday Night

Low: 33 °F
Slight Chance
RainSaturday

High: 43 °F
Mostly Sunny
Saturday Night
Low: 29 °F
Mostly Cloudy
then Chance
SnowSunday

High: 36 °F
Snow Likely
Detailed Forecast
Today
Rain, mainly before 4pm. High near 46. Southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A slight chance of rain between 11pm and midnight. Cloudy, with a low around 39. West wind around 7 mph. Chance of precipitation is 20%.
Thursday
A chance of rain, mainly after 1pm. Cloudy, with a high near 47. Northeast wind around 6 mph becoming southeast in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 35. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 1pm. High near 47. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 26.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SE Sinnamahoning PA
41.34°N 78°W (Elev. 1906 ft)
41.34°N 78°W (Elev. 1906 ft)
7:21 am EST Feb 18, 2026
9am EST Feb 18, 2026-6pm EST Feb 24, 2026



