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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

12°F

-11°C

Humidity 73%
Wind Speed W 12 G 20 mph
Barometer 29.98 in
Dewpoint 5°F (-15°C)
Visibility 7.00 mi
Wind Chill-2°F (-19°C)
Last update 27 Jan 9:35 pm EST
Extended Forecast for

6 Miles SW Cross Fork PA

Cold Weather Advisory until January 28, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 28, 10:00am

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Tonight

    Low: 2 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: Partly sunny, with a high near 14. Wind chill values as low as -5. Calm wind becoming west around 6 mph in the morning.

    High: 14 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 0. Wind chill values as low as -5. Light west wind.

    Low: 0 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 16. Wind chill values as low as -10. West wind 3 to 6 mph.

    High: 16 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -4. Light west wind.

    Low: -4 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -8.

    Low: -8 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

Detailed Forecast

Tonight
A chance of flurries. Mostly cloudy, with a low around 2. West wind around 6 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 14. Wind chill values as low as -5. Calm wind becoming west around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 0. Wind chill values as low as -5. Light west wind.
Thursday
Partly sunny, with a high near 16. Wind chill values as low as -10. West wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around -4. Light west wind.
Friday
Mostly sunny, with a high near 14.
Friday Night
Partly cloudy, with a low around -8.
Saturday
Partly sunny, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 7.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Cross Fork PA
 41.42°N 77.9°W (Elev. 1407 ft)
Last Update:
7:06 pm EST Jan 27, 2026
Forecast Valid:
9pm EST Jan 27, 2026-6pm EST Feb 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation