National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 NW Sinnamahoning PA

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

    NOW until 11:00am Sat

    Wind Advisory

  • This Afternoon

    High: 43 °F

    Snow Showers

  • Tonight

    Tonight: Rain showers before 9pm, then a chance of snow showers between 9pm and 11pm. Low around 28. West wind 16 to 18 mph, with gusts as high as 44 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 through mid morning, then gradual clearing, with a high near 39. West wind 11 to 15 mph, with gusts as high as 39 mph.

    High: 39 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Increasing clouds, with a low around 28. Northwest wind around 6 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 28 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers before 8am. Mostly cloudy, with a high near 48. Southeast wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 48 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Showers

  • Monday Night

    Monday Night: Snow showers likely before 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Snow showers, mainly before 4pm. High near 43. South wind around 16 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain showers before 9pm, then a chance of snow showers between 9pm and 11pm. Low around 28. West wind 16 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 39. West wind 11 to 15 mph, with gusts as high as 39 mph.
Saturday Night
A chance of snow showers after 2am. Increasing clouds, with a low around 28. Northwest wind around 6 mph becoming east after midnight. Chance of precipitation is 30%.
Sunday
A chance of snow showers before 8am. Mostly cloudy, with a high near 48. Southeast wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 8am. High near 60. Chance of precipitation is 90%.
Monday Night
Snow showers likely before 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Tuesday
Mostly cloudy, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Sinnamahoning PA
 41.41°N 78.11°W (Elev. 2169 ft)
Last Update:
2:20 pm EDT Mar 13, 2026
Forecast Valid:
3pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation