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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Mostly Cloudy

5°F

-15°C

Humidity 85%
Wind Speed W 8 G 16 mph
Barometer 30.05 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 29 Jan 8:15 am EST
Extended Forecast for

6 Miles ESE Sinnamahoning PA

Cold Weather Advisory January 29, 07:00pm until January 30, 10:00am
Cold Weather Advisory January 29, 08:24am until January 29, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
...
  •  
    Cold Weather Advisory January 29, 08:24am until January 29, 10:00am

    NOW until 10:00am Thu

    Cold Weather Advisory

  • Today

    High: 14 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: 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: Mostly sunny, with a high near 13. Wind chill values as low as -20. Northwest wind around 8 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -7. Wind chill values as low as -20. Northwest wind 6 to 8 mph.

    Low: -7 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 16. Northwest wind around 7 mph.

    High: 16 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Today
Flurries with a slight chance of snow showers before 3pm, then flurries after 3pm. Mostly cloudy, with a high near 14. Wind chill values as low as -15. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around -5. Wind chill values as low as -20. Northwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 13. Wind chill values as low as -20. Northwest wind around 8 mph.
Friday Night
Mostly clear, with a low around -7. Wind chill values as low as -20. Northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 16. Northwest wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Mostly clear, with a low around 5.
Monday
Mostly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Sinnamahoning PA
 41.35°N 77.94°W (Elev. 1998 ft)
7:05 am EST Jan 29, 2026
8am EST Jan 29, 2026-6pm EST Feb 4, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database