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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

14°F

-10°C

Humidity 62%
Wind Speed NW 3 mph
Barometer 30.08 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 31 Jan 2:15 pm EST
Extended Forecast for

3 Miles NW Sinnamahoning PA

Cold Weather Advisory January 31, 07:00pm until February 1, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 14. North wind around 7 mph.

    High: 14 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 2. Wind chill values as low as -10. North wind around 9 mph, with gusts as high as 20 mph.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 19. Wind chill values as low as -15. Northwest wind around 11 mph, with gusts as high as 25 mph.

    High: 19 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 3 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24. West wind 7 to 9 mph.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 14. North wind around 7 mph.
Tonight
Mostly cloudy, with a low around 2. Wind chill values as low as -10. North wind around 9 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 19. Wind chill values as low as -15. Northwest wind around 11 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 3. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 24. West wind 7 to 9 mph.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Mostly cloudy, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 5.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 5.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Snow likely. Mostly cloudy, with a high near 25. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Sinnamahoning PA
 41.41°N 78.11°W (Elev. 2169 ft)
Last Update:
1:05 pm EST Jan 31, 2026
Forecast Valid:
2pm EST Jan 31, 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