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Hazardous Weather Conditions

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

Winter Weather Advisory February 25, 12:00am until February 25, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow. Low around 22. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Likely
    then Snow

  • Wednesday

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

    High: 39 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. West wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow after 1pm. Mostly sunny, with a high near 35. West wind around 6 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before 1am. Partly cloudy, with a low around 21. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Friday

    Friday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow. Low around 22. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 39. West wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 19. West wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday
A slight chance of snow after 1pm. Mostly sunny, with a high near 35. West wind around 6 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow before 1am. Partly cloudy, with a low around 21. West wind around 5 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 34.
Sunday Night
A chance of snow. Partly cloudy, with a low around 15. Chance of precipitation is 30%.
Monday
A chance of snow. Partly sunny, with a high near 27. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Tuesday
A chance of snow. Partly sunny, with a high near 34. Chance of precipitation is 40%.
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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:
4:11 pm EST Feb 24, 2026
Forecast Valid:
4pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation