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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

10°F

-12°C

Humidity 67%
Wind Speed W 7 mph
Barometer 29.95 in
Dewpoint 1°F (-17°C)
Visibility 4.00 mi
Wind Chill-1°F (-18°C)
Last update 28 Jan 4:55 pm EST
Extended Forecast for

6 Miles ESE Sinnamahoning PA

Cold Weather Advisory January 29, 01:00am until January 29, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  • This Afternoon

    This Afternoon: A slight chance of snow.  Mostly cloudy, with a high near 11. Wind chill values as low as -5. West wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 11 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 0. Wind chill values as low as -15. West wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 0 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of flurries before 1pm, then a slight chance of snow between 1pm and 2pm, then a chance of flurries after 2pm.  Partly sunny, with a high near 14. Wind chill values as low as -15. West wind 10 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 14 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -5. Wind chill values as low as -20. Northwest wind 7 to 9 mph.

    Low: -5 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 12. Northwest wind 6 to 8 mph.

    High: 12 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -6.

    Low: -6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of snow. Mostly cloudy, with a high near 11. Wind chill values as low as -5. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 0. Wind chill values as low as -15. West wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
A chance of flurries before 1pm, then a slight chance of snow between 1pm and 2pm, then a chance of flurries after 2pm. Partly sunny, with a high near 14. Wind chill values as low as -15. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around -5. Wind chill values as low as -20. Northwest wind 7 to 9 mph.
Friday
Sunny, with a high near 12. Northwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around -6.
Saturday
Mostly sunny, with a high near 14.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Sinnamahoning PA
 41.35°N 77.94°W (Elev. 1998 ft)
1:05 pm EST Jan 28, 2026
4pm EST Jan 28, 2026-6pm EST Feb 4, 2026
 
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Additional Resources

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