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.

Overcast

27°F

-3°C

Humidity 74%
Wind Speed W 10 mph
Barometer 30.14 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 12 Jan 4:55 am EST
Extended Forecast for

3 Miles WSW Force PA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 36. Southwest wind 10 to 13 mph, with gusts as high as 30 mph.

    High: 36 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Southwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 36. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 41. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 1am. Low around 22. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 22 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.

    Low: 13 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 36. Southwest wind 10 to 13 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 28. Southwest wind around 8 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 43. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 41. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain and snow, becoming all snow after 1am. Low around 22. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 27.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Force PA
 41.23°N 78.55°W (Elev. 1299 ft)
Last Update:
3:12 am EST Jan 12, 2026
Forecast Valid:
5am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation