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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 NW Sinnamahoning PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 68. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then showers likely. Some of the storms could be severe. Low around 28. Southwest wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 28 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Thursday

    Thursday: Mostly cloudy, with a high near 35. Northwest wind around 16 mph, with gusts as high as 33 mph.

    High: 35 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow before 2pm, then a chance of rain and snow between 2pm and 5pm, then a chance of rain after 5pm. Mostly cloudy, with a high near 45. South wind 10 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 28 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.

    High: 50 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 68. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before midnight, then showers likely. Some of the storms could be severe. Low around 28. Southwest wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly cloudy, with a high near 35. Northwest wind around 16 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 26. West wind 6 to 10 mph, with gusts as high as 21 mph.
Friday
A chance of snow before 2pm, then a chance of rain and snow between 2pm and 5pm, then a chance of rain after 5pm. Mostly cloudy, with a high near 45. South wind 10 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Sunday
A chance of snow showers before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Sunday Night
Showers, mainly after 2am. Low around 35. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 45. Chance of precipitation is 80%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Sinnamahoning PA
 41.41°N 78.11°W (Elev. 2169 ft)
Last Update:
2:01 pm EDT Mar 11, 2026
Forecast Valid:
2pm EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation