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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

Sinnamahoning PA

Winter Weather Advisory February 23, 05:22am until February 23, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 23, 05:22am until February 23, 01:00pm

    NOW until 1:00pm Mon

    Winter Weather Advisory

  • Overnight

    Low: 25 °F

    Chance Snow

  • Monday

    Monday: A chance of snow, mainly before 7am. Cloudy, with a high near 33. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Wind chill values as low as -5. Northwest wind around 16 mph, with gusts as high as 26 mph.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Wind chill values as low as -5. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 22. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Likely
    then Snow

  • Wednesday

    Wednesday: A chance of snow before 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow

  • Wednesday Night

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

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 50%.

    High: 36 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of snow. Cloudy, with a low around 25. Northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday
A chance of snow, mainly before 7am. Cloudy, with a high near 33. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 12. Wind chill values as low as -5. Northwest wind around 16 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 28. Wind chill values as low as -5. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Snow. Low around 22. South wind 7 to 13 mph, with gusts as high as 22 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 38. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sinnamahoning PA
 41.39°N 78.05°W (Elev. 1998 ft)
Last Update:
4:34 am EST Feb 23, 2026
Forecast Valid:
5am EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation