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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

Cold Weather Advisory February 9, 03:54am until February 9, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 9, 03:54am until February 9, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Overnight

    Low: -10 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 27. Wind chill values as low as -10. Calm wind.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers and freezing rain before 1pm, then a slight chance of rain showers. Mostly cloudy, with a high near 39. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Wintry Mix

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Cloudy, with a low around 25. West wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Wednesday Night

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

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around -10. Calm wind.
Monday
Mostly sunny, with a high near 27. Wind chill values as low as -10. Calm wind.
Monday Night
Mostly cloudy, with a low around 15. Calm wind.
Tuesday
A slight chance of snow showers and freezing rain before 1pm, then a slight chance of rain showers. Mostly cloudy, with a high near 39. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Cloudy, with a low around 25. West wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly cloudy, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.
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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:
2:06 am EST Feb 9, 2026
Forecast Valid:
3am EST Feb 9, 2026-6pm EST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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