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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Mostly Cloudy

9°F

-13°C

Humidity 61%
Wind Speed W 10 mph
Barometer 30.14 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 29 Jan 9:55 pm EST
Extended Forecast for

6 Miles SW Cross Fork PA

Cold Weather Advisory until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 30, 10:00am

    NOW until 10:00am Fri

    Cold Weather Advisory

  • Tonight

    Low: -4 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 14. Wind chill values as low as -5. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 14 °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 18. Wind chill values as low as -5. Calm wind becoming north around 5 mph in the afternoon.

    High: 18 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 0. North wind 3 to 5 mph.

    Low: 0 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around -4. Calm wind.
Friday
Mostly sunny, with a high near 14. Wind chill values as low as -5. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around -6. Calm wind.
Saturday
Mostly sunny, with a high near 18. Wind chill values as low as -5. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 0. North wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Partly sunny, with a high near 28. Chance of precipitation is 30%.
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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 29, 2026
Forecast Valid:
10pm EST Jan 29, 2026-6pm EST Feb 5, 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