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
Overnight

Low: 42 °F
Areas Drizzle
and Areas FogSaturday
High: 63 °F
Severe
Thunderstorms
and Areas FogSaturday Night
Low: 46 °F
Severe
Thunderstorms
then Showers
LikelySunday

High: 55 °F
Gradual
ClearingSunday Night

Low: 40 °F
Mostly Clear
Monday

High: 62 °F
Sunny
Monday Night

Low: 46 °F
Mostly Clear
Tuesday

High: 66 °F
Mostly Sunny
Tuesday Night
Low: 54 °F
Chance
Showers then
Showers
Likely
Detailed Forecast
Overnight
Areas of drizzle and fog. Cloudy, with a low around 42. South wind around 10 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. Areas of fog before 1pm. High near 63. South wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could be severe. Low around 46. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 55. West wind around 11 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 40. West wind around 9 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Wednesday
Showers. High near 66. Chance of precipitation is 80%.
Wednesday Night
Rain and snow. Low around 33. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
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)
1:33 am EST Mar 7, 2026
2am EST Mar 7, 2026-6pm EDT Mar 13, 2026


