Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

25°F

-4°C

Humidity 74%
Wind Speed E 6 mph
Barometer 30.16 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 26 Dec 3:15 am EST
Extended Forecast for

5 Miles S Cross Fork PA

Winter Weather Advisory December 26, 12:00pm until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 19. East wind around 5 mph.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Snow and sleet before 3pm, then freezing rain and sleet between 3pm and 4pm, then sleet after 4pm. The sleet could be heavy at times.  High near 26. Southeast wind 6 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. Little or no ice accumulation expected.  New snow and sleet accumulation of less than one inch possible.

    High: 26 °F

    Slight Chance
    Snow then
    Wintry Mix

  • Friday Night

    Friday Night: Snow, freezing rain, and sleet before 8pm, then a chance of freezing rain and sleet between 8pm and 11pm.  Low around 21. Southeast wind 5 to 10 mph becoming light east  after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of less than a half inch possible.

    Low: 21 °F

    Wintry Mix
    then Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 34. Light and variable wind.

    High: 34 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. East wind 3 to 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of freezing rain before 1pm, then rain or freezing rain between 1pm and 4pm, then rain showers after 4pm.  High near 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 35 °F

    Chance
    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Sunday Night

    Sunday Night: Showers.  Low around 34. Chance of precipitation is 100%.

    Low: 34 °F

    Showers

  • Monday

    Monday: Rain showers before 1pm, then a chance of rain and snow showers.  High near 47. Chance of precipitation is 90%.

    High: 47 °F

    Showers then
    Rain/Snow

  • Monday Night

    Monday Night: A chance of snow showers.  Mostly cloudy, with a low around 19. Chance of precipitation is 50%.

    Low: 19 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. East wind around 5 mph.
Friday
Snow and sleet before 3pm, then freezing rain and sleet between 3pm and 4pm, then sleet after 4pm. The sleet could be heavy at times. High near 26. Southeast wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.
Friday Night
Snow, freezing rain, and sleet before 8pm, then a chance of freezing rain and sleet between 8pm and 11pm. Low around 21. Southeast wind 5 to 10 mph becoming light east after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 34. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 23. East wind 3 to 5 mph.
Sunday
A chance of freezing rain before 1pm, then rain or freezing rain between 1pm and 4pm, then rain showers after 4pm. High near 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 34. Chance of precipitation is 100%.
Monday
Rain showers before 1pm, then a chance of rain and snow showers. High near 47. Chance of precipitation is 90%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Tuesday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
New Year's Day
Mostly cloudy, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cross Fork PA
 41.41°N 77.81°W (Elev. 2096 ft)
2:26 am EST Dec 26, 2025
3am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
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Additional Resources

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