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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

4 Miles NW Sinnamahoning PA

Cold Weather Advisory February 8, 10:00pm until February 9, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around -16. Wind chill values as low as -25. Northwest wind 3 to 6 mph.

    Low: -16 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 27. Wind chill values as low as -15. Calm wind.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. Light southeast wind.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 39. South wind 5 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 25. West wind around 10 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -16. Wind chill values as low as -25. Northwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 27. Wind chill values as low as -15. Calm wind.
Monday Night
Mostly cloudy, with a low around 14. Light southeast wind.
Tuesday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 39. South wind 5 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Cloudy, with a low around 25. West wind around 10 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly cloudy, with a high near 27.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Sinnamahoning PA
 41.44°N 78.1°W (Elev. 1818 ft)
Last Update:
7:05 pm EST Feb 8, 2026
Forecast Valid:
8pm EST Feb 8, 2026-6pm EST Feb 15, 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