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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Mostly Cloudy

7°F

-14°C

Humidity 78%
Wind Speed W 15 G 21 mph
Barometer 30.07 in
Dewpoint 1°F (-17°C)
Visibility 5.00 mi
Wind Chill-10°F (-23°C)
Last update 29 Jan 9:15 am EST
Extended Forecast for

6 Miles E Sinnamahoning PA

Cold Weather Advisory January 29, 07:00pm until January 30, 10:00am
Cold Weather Advisory January 29, 09:37am until January 29, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
...
  •  
    Cold Weather Advisory January 29, 09:37am until January 29, 10:00am

    NOW until 10:00am Thu

    Cold Weather Advisory

  • Today

    High: 17 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Partly cloudy, with a low around -4. Northwest wind around 5 mph becoming calm  in the evening.

    Low: -4 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 16. Wind chill values as low as -5. Calm wind becoming northwest around 6 mph in the morning.

    High: 16 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -6. Calm wind.

    Low: -6 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 6.

    Low: 6 °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 17. Wind chill values as low as -5. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around -4. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 16. Wind chill values as low as -5. Calm wind becoming northwest around 6 mph in the morning.
Friday Night
Mostly clear, with a low around -6. Calm wind.
Saturday
Mostly sunny, with a high near 19. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly clear, with a low around 6.
Monday
Sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Sinnamahoning PA
 41.38°N 77.94°W (Elev. 1076 ft)
7:05 am EST Jan 29, 2026
9am EST Jan 29, 2026-6pm EST Feb 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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