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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

6 Miles ESE Sinnamahoning PA

  • This Afternoon

    This Afternoon: Flurries likely. Cloudy, with a high near 30. Northwest wind around 14 mph, with gusts as high as 31 mph.

    High: 30 °F

    Flurries
    Likely

  • Tonight

    Tonight: Flurries likely before 2am. Mostly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 12 °F

    Flurries
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 28. Wind chill values as low as -5. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly after 1am. Low around 22. South wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A chance of snow before 1pm. Mostly cloudy, with a high near 39. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 50%.

    High: 35 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Flurries likely. Cloudy, with a high near 30. Northwest wind around 14 mph, with gusts as high as 31 mph.
Tonight
Flurries likely before 2am. Mostly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Tuesday
Partly sunny, with a high near 28. Wind chill values as low as -5. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Snow, mainly after 1am. Low around 22. South wind 7 to 11 mph, with gusts as high as 20 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 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 50%.
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
Sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Sinnamahoning PA
 41.35°N 77.94°W (Elev. 1998 ft)
Last Update:
2:26 pm EST Feb 23, 2026
Forecast Valid:
2pm EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation