National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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

4 Miles E Ridgway PA

  • Tonight

    Tonight: A chance of snow showers, mainly after 2am. Increasing clouds, with a low around 29. Northwest wind around 6 mph becoming calm. Chance of precipitation is 30%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 53. South wind 14 to 17 mph, with gusts as high as 33 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Increasing clouds, with a low around 45. Breezy, with a southeast wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 60. South wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before 2am. Mostly cloudy, with a low around 18. West wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °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 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow showers, mainly after 2am. Increasing clouds, with a low around 29. Northwest wind around 6 mph becoming calm. Chance of precipitation is 30%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 53. South wind 14 to 17 mph, with gusts as high as 33 mph.
Sunday Night
A chance of showers after 2am. Increasing clouds, with a low around 45. Breezy, with a southeast wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 8am. High near 60. South wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Snow showers likely, mainly before 2am. Mostly cloudy, with a low around 18. West wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Tuesday
A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 51.
Friday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 49. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Ridgway PA
 41.42°N 78.66°W (Elev. 1522 ft)
Last Update:
2:28 pm EDT Mar 14, 2026
Forecast Valid:
7pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation