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

43°F

6°C

Humidity 61%
Wind Speed E 6 mph
Barometer 30.11 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 25 Nov 3:35 am EST
Extended Forecast for

3 Miles WSW Force PA

  • Overnight

    Overnight: Cloudy, with a low around 37. Light southeast wind.

    Low: 37 °F

    Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 11am. High near 52. Southeast wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 44. Southwest wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly between 7am and 1pm. High near 58. Southwest wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 27. West wind 13 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow
    Showers

  • Thanksgiving Day

    Thanksgiving Day: A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Snow showers likely. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.

    Low: 24 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.

    High: 35 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 37. Light southeast wind.
Tuesday
Rain, mainly after 11am. High near 52. Southeast wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 44. Southwest wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly between 7am and 1pm. High near 58. Southwest wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 27. West wind 13 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Thanksgiving Day
A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Friday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 35.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Monday
A chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Force PA
 41.23°N 78.55°W (Elev. 1299 ft)
Last Update:
1:51 am EST Nov 25, 2025
Forecast Valid:
3am EST Nov 25, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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