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.

Mostly Cloudy

19°F

-7°C

Humidity 63%
Wind Speed NW 5 mph
Barometer 30.22 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 4 Dec 6:55 pm EST
Extended Forecast for

3 Miles WSW Ridgway PA

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm in the evening.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 29. Southeast wind 5 to 7 mph becoming south in the afternoon.

    High: 29 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. Calm wind becoming southwest around 5 mph after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 33. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 7pm, then a slight chance of snow showers. Mostly cloudy, with a low around 23. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 50%.

    Low: 14 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm in the evening.
Friday
Increasing clouds, with a high near 29. Southeast wind 5 to 7 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 18. Calm wind becoming southwest around 5 mph after midnight.
Saturday
A slight chance of snow showers after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 33. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow showers before 7pm, then a slight chance of snow showers. Mostly cloudy, with a low around 23. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A chance of snow after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 70%.
Tuesday Night
Snow showers likely. Cloudy, with a low around 22. Chance of precipitation is 70%.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.
Wednesday Night
Snow showers. Low around 23. Chance of precipitation is 90%.
Thursday
Snow showers likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Ridgway PA
 41.41°N 78.78°W (Elev. 1706 ft)
Last Update:
6:11 pm EST Dec 4, 2025
Forecast Valid:
7pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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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