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
3 Miles NW Sinnamahoning PA
Wind Advisory until March 16, 11:00am
NOW until 11:00am Mon
Wind Advisory
Tonight
Low: 44 °F
Chance
Showers then
Showers
LikelyMonday
High: 61 °F
Severe
ThunderstormsMonday Night
Low: 18 °F
Rain/Snow
then Snow
ShowersTuesday

High: 25 °F
Slight Chance
Snow ShowersTuesday Night

Low: 16 °F
Mostly Cloudy
Wednesday

High: 34 °F
Partly Sunny
Wednesday Night

Low: 25 °F
Mostly Cloudy
Thursday

High: 41 °F
Mostly Cloudy
Detailed Forecast
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 44. Southeast wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 61. South wind around 14 mph, with gusts as high as 31 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 18. West wind 15 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday
A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 25. West wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 16. West wind 9 to 14 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 44.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NW Sinnamahoning PA
41.41°N 78.11°W (Elev. 2169 ft)
41.41°N 78.11°W (Elev. 2169 ft)
3:06 pm EDT Mar 15, 2026
6pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026



