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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles SSW Cross Fork PA

Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Cold Weather Advisory January 23, 01:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory
  • Today

    Today: Mostly sunny, with a temperature falling to around 8 by 5pm. Wind chill values as low as -5. West wind around 11 mph, with gusts as high as 30 mph.

    High: 18 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -1. Wind chill values as low as -15. Northwest wind 6 to 9 mph, with gusts as high as 25 mph.

    Low: -1 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 13. Wind chill values as low as -10. North wind 3 to 5 mph.

    High: 13 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am.  Cloudy, with a low around 7. Wind chill values as low as zero. Calm wind becoming east around 6 mph after midnight.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 7 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday

    Sunday: Snow. The snow could be heavy at times.  High near 16. East wind around 7 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 16 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times.  Low around 13. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Heavy Snow

  • Monday

    Monday: A chance of snow before 1pm.  Mostly cloudy, with a high near 19. Chance of precipitation is 50%.

    High: 19 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a temperature falling to around 8 by 5pm. Wind chill values as low as -5. West wind around 11 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around -1. Wind chill values as low as -15. Northwest wind 6 to 9 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 13. Wind chill values as low as -10. North wind 3 to 5 mph.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 7. Wind chill values as low as zero. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 16. East wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Low around 13. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 19. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Partly sunny, with a high near 15.
Tuesday Night
Mostly cloudy, with a low around 3.
Wednesday
Partly sunny, with a high near 19.
Wednesday Night
Mostly cloudy, with a low around 1.
Thursday
Mostly cloudy, with a high near 15.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Cross Fork PA
 41.41°N 77.87°W (Elev. 1736 ft)
2:51 am EST Jan 23, 2026
4am EST Jan 23, 2026-6pm EST Jan 29, 2026
 
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Additional Resources

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