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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Partly Cloudy

25°F

-4°C

Humidity 50%
Wind Speed W 5 mph
Barometer 30.17 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 4 Feb 5:55 pm EST
Extended Forecast for

6 Miles ESE Sinnamahoning PA

  • Tonight

    Tonight: Partly cloudy, with a low around 5. Wind chill values as low as -5. Northwest wind around 6 mph.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25. Wind chill values as low as -5. Northwest wind around 5 mph becoming calm in the morning.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. West wind 3 to 5 mph.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Snow, mainly after 1pm. High near 26. Wind chill values as low as zero. Southwest wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 26 °F

    Chance Snow
    then Snow

  • Friday Night

    Friday Night: A chance of snow before 1am, then a slight chance of snow showers after 1am. Mostly cloudy, with a low around 0. Northwest wind 6 to 14 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 0 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 5. Wind chill values as low as -5. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 25. Wind chill values as low as -5. Northwest wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly cloudy, with a low around 9. West wind 3 to 5 mph.
Friday
Snow, mainly after 1pm. High near 26. Wind chill values as low as zero. Southwest wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
A chance of snow before 1am, then a slight chance of snow showers after 1am. Mostly cloudy, with a low around 0. Northwest wind 6 to 14 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Saturday
Partly sunny and cold, with a high near 9.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 16.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Partly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Sinnamahoning PA
 41.35°N 77.94°W (Elev. 1998 ft)
Last Update:
1:11 pm EST Feb 4, 2026
Forecast Valid:
6pm EST Feb 4, 2026-6pm EST Feb 11, 2026
 
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Additional Resources

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Chance of Precipitation