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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 SE Sinnamahoning PA

  • This Afternoon

    This Afternoon: Rain, mainly before 5pm. High near 46. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Tonight

    Tonight: A chance of rain before 8pm. Areas of fog. Otherwise, mostly cloudy, with a low around 39. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    and Areas Fog
    then Areas
    Fog

  • Thursday

    Thursday: A slight chance of rain after 4pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 47. Southeast wind around 6 mph. Chance of precipitation is 20%.

    High: 47 °F

    Areas Fog
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 7pm. Low around 36. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain Likely
    then Rain

  • Friday

    Friday: Rain, mainly before 1pm. High near 47. Southeast wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 33. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: Snow showers likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.

    High: 36 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Rain, mainly before 5pm. High near 46. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A chance of rain before 8pm. Areas of fog. Otherwise, mostly cloudy, with a low around 39. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain after 4pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 47. Southeast wind around 6 mph. Chance of precipitation is 20%.
Thursday Night
Rain, mainly after 7pm. Low around 36. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 1pm. High near 47. Southeast wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 33. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 42.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Sinnamahoning PA
 41.34°N 78°W (Elev. 1906 ft)
Last Update:
1:34 pm EST Feb 18, 2026
Forecast Valid:
2pm EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation