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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 NW Sinnamahoning PA

  • Today

    Today: Mostly sunny, with a high near 35. West wind around 6 mph.

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. Northwest wind around 5 mph becoming calm in the evening.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47. Southwest wind 3 to 8 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 48. West wind around 8 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.

    Low: 14 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Monday

    Monday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.

    High: 28 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 35. West wind around 6 mph.
Tonight
Mostly clear, with a low around 20. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 47. Southwest wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 33. South wind around 8 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 48. West wind around 8 mph.
Saturday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Sinnamahoning PA
 41.44°N 78.1°W (Elev. 1818 ft)
Last Update:
1:21 am EST Feb 26, 2026
Forecast Valid:
5am EST Feb 26, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation