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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

9°F

-13°C

Humidity 66%
Wind Speed W 8 mph
Barometer 30.15 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 30 Jan 9:55 pm EST
Extended Forecast for

6 Miles ESE Sinnamahoning PA

Cold Weather Advisory until January 31, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 31, 11:00am

    NOW until 11:00am Sat

    Cold Weather Advisory

  • Tonight

    Low: -6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 16. Wind chill values as low as -20. Northwest wind 5 to 7 mph.

    High: 16 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 2. Wind chill values as low as -15. North wind around 9 mph.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 21. Wind chill values as low as -10. Northwest wind around 11 mph, with gusts as high as 23 mph.

    High: 21 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around -6. Wind chill values as low as -15. Northwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 16. Wind chill values as low as -20. Northwest wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 2. Wind chill values as low as -15. North wind around 9 mph.
Sunday
Sunny, with a high near 21. Wind chill values as low as -10. Northwest wind around 11 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 5. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
A chance of snow showers. Partly sunny, with a high near 25. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Mostly cloudy, with a low around 8.
Friday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Sinnamahoning PA
 41.35°N 77.94°W (Elev. 1998 ft)
Last Update:
7:06 pm EST Jan 30, 2026
Forecast Valid:
10pm EST Jan 30, 2026-6pm EST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation