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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 72%
Wind Speed W 5 mph
Barometer 30.13 in
Dewpoint 1°F (-17°C)
Visibility 5.00 mi
Wind Chill0°F (-18°C)
Last update 31 Jan 9:35 am EST
Extended Forecast for

6 Miles SW Cross Fork PA

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

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 18. Calm wind becoming north around 5 mph.

    High: 18 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 3. Wind chill values as low as -5. Calm wind becoming north around 5 mph after midnight.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 23. Wind chill values as low as -5. Northwest wind 6 to 8 mph, with gusts as high as 23 mph.

    High: 23 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. Northwest wind 3 to 6 mph. Winds could gust as high as 20 mph.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. West wind 3 to 6 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 18. Calm wind becoming north around 5 mph.
Tonight
Partly cloudy, with a low around 3. Wind chill values as low as -5. Calm wind becoming north around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 23. Wind chill values as low as -5. Northwest wind 6 to 8 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 5. Northwest wind 3 to 6 mph. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 29. West wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 5.
Thursday
Mostly sunny, with a high near 27.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
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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:
7:34 am EST Jan 31, 2026
Forecast Valid:
9am EST Jan 31, 2026-6pm EST Feb 6, 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