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

45°F

7°C

Humidity 93%
Wind Speed W 8 mph
Barometer 29.77 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 10 Jan 9:35 pm EST
Extended Forecast for

6 Miles NNW Driftwood PA

  • Tonight

    Tonight: Rain, mainly before midnight. Low around 29. Light southwest wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Rain then
    Slight Chance
    Rain

  • Sunday

    Sunday: Snow showers likely, mainly before 5pm. The snow could be heavy at times. Mostly cloudy, with a high near 35. West wind 7 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Scattered snow showers, mainly before 7pm. Mostly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Scattered
    Snow Showers

  • Monday

    Monday: Partly sunny, with a high near 38. West wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. West wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.

    High: 43 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am, then a chance of freezing rain. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Rain
    then Chance
    Rain/Freezing
    Rain

Detailed Forecast

Tonight
Rain, mainly before midnight. Low around 29. Light southwest wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Snow showers likely, mainly before 5pm. The snow could be heavy at times. Mostly cloudy, with a high near 35. West wind 7 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Scattered snow showers, mainly before 7pm. Mostly cloudy, with a low around 25. West wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 38. West wind 7 to 11 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 29. West wind 5 to 7 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 1am, then a chance of freezing rain. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 27.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
A chance of snow showers. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Driftwood PA
 41.42°N 78.19°W (Elev. 1007 ft)
Last Update:
9:52 pm EST Jan 10, 2026
Forecast Valid:
9pm EST Jan 10, 2026-6pm EST Jan 17, 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