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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

34°F

1°C

Humidity 93%
Wind Speed NW 15 G 23 mph
Barometer 29.55 in
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Wind Chill24°F (-4°C)
Last update 16 Nov 1:15 pm EST
Extended Forecast for

4 Miles ESE Sinnamahoning PA

Wind Advisory November 16, 01:26pm until November 17, 12:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory November 16, 01:26pm until November 17, 12:00am

    NOW until 12:00am Mon

    Wind Advisory

  • This Afternoon

    High: 44 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Snow showers, mainly before 4am. Low around 29. West wind 14 to 16 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Showers

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 40. Northwest wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 40 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. West wind 6 to 9 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Mostly cloudy, with a high near 44. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 1am, then a chance of rain showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow showers before 7am. Partly sunny, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow showers likely, possibly mixed with rain, becoming all snow after 2pm. Mostly cloudy, with a high near 44. West wind around 17 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 4am. Low around 29. West wind 14 to 16 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
A chance of snow showers. Mostly cloudy, with a high near 40. Northwest wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 28. West wind 6 to 9 mph, with gusts as high as 24 mph.
Tuesday
A slight chance of snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Mostly cloudy, with a high near 44. West wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow showers before 1am, then a chance of rain showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of snow showers before 7am. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Cloudy, with a high near 50.
Thursday Night
Showers, mainly after 1am. Low around 41. Chance of precipitation is 80%.
Friday
Showers. High near 57. Chance of precipitation is 80%.
Friday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Sinnamahoning PA
 41.36°N 78°W (Elev. 1598 ft)
Last Update:
1:05 pm EST Nov 16, 2025
Forecast Valid:
1pm EST Nov 16, 2025-6pm EST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation