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Hazardous Weather Conditions

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 S Cross Fork PA

Wind Advisory March 15, 04:00pm until March 16, 08:00am
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: A chance of snow. Mostly cloudy, with a low around 29. East wind around 7 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 48. South wind 9 to 15 mph, with gusts as high as 40 mph.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 42. Southeast wind around 15 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 59. South wind around 14 mph becoming southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain and snow showers, becoming all snow after 11pm. Low around 18. West wind around 14 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Rain/Snow
    then Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow. Mostly cloudy, with a low around 29. East wind around 7 mph. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 48. South wind 9 to 15 mph, with gusts as high as 40 mph.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 42. Southeast wind around 15 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 59. South wind around 14 mph becoming southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and snow showers, becoming all snow after 11pm. Low around 18. West wind around 14 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday
A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
A chance of showers. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Saturday
Rain and snow showers likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cross Fork PA
 41.41°N 77.81°W (Elev. 2096 ft)
Last Update:
2:35 am EDT Mar 15, 2026
Forecast Valid:
5am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation