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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
Overnight

Low: 12 °F
Flurries
LikelyTuesday

High: 28 °F
Partly Sunny
Tuesday Night
Low: 22 °F
Chance Snow
then SnowWednesday

High: 39 °F
Chance Snow
Wednesday Night

Low: 20 °F
Partly Cloudy
Thursday

High: 35 °F
Chance Snow
Thursday Night

Low: 22 °F
Chance Snow
Friday

High: 41 °F
Mostly Sunny
Friday Night

Low: 26 °F
Mostly Clear
Detailed Forecast
Overnight
Flurries likely before 2am. Mostly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind around 11 mph, with gusts as high as 26 mph.
Tuesday
Partly sunny, with a high near 28. Wind chill values as low as zero. Northwest wind 7 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Snow, mainly after 1am. Low around 22. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A chance of snow before 1pm. Mostly cloudy, with a high near 39. Southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 20. West wind 6 to 10 mph, with gusts as high as 22 mph.
Thursday
A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
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)
10:35 pm EST Feb 23, 2026
12am EST Feb 24, 2026-6pm EST Mar 2, 2026


