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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

3 Miles E Sinnamahoning PA

Wind Advisory March 13, 02:00pm until March 14, 11:00am
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 27. West wind around 5 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Snow before 4pm, then rain and snow likely between 4pm and 5pm, then rain likely after 5pm. High near 44. South wind 8 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 44 °F

    Snow then
    Rain/Snow

  • Friday Night

    Friday Night: Rain before 9pm, then a chance of snow between 9pm and 11pm. Low around 28. West wind 14 to 16 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 42. West wind 10 to 13 mph, with gusts as high as 39 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Mostly cloudy, with a low around 29. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Partly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 8am. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: A chance of rain. Cloudy, with a low around 44. Chance of precipitation is 50%.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Showers. High near 63. Chance of precipitation is 100%.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: Rain and snow showers likely before 2am, then a chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 27. West wind around 5 mph.
Friday
Snow before 4pm, then rain and snow likely between 4pm and 5pm, then rain likely after 5pm. High near 44. South wind 8 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
Rain before 9pm, then a chance of snow between 9pm and 11pm. Low around 28. West wind 14 to 16 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 42. West wind 10 to 13 mph, with gusts as high as 39 mph.
Saturday Night
A chance of snow after 2am. Mostly cloudy, with a low around 29. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow before 8am. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Cloudy, with a low around 44. Chance of precipitation is 50%.
Monday
Showers. High near 63. Chance of precipitation is 100%.
Monday Night
Rain and snow showers likely before 2am, then a chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Tuesday
A chance of snow showers before 8am. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sinnamahoning PA
 41.38°N 78°W (Elev. 1988 ft)
Last Update:
2:56 am EDT Mar 13, 2026
Forecast Valid:
3am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation