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

23°F

-5°C

Humidity 86%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 5 Jan 1:35 am EST
Extended Forecast for

8 Miles NNE Cross Fork PA

  • Overnight

    Overnight: Cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Cloudy

  • Monday

    Monday: A chance of snow showers, mainly between 7am and 8am. Mostly cloudy, with a high near 34. South wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Light southwest wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 3pm. High near 42. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Slight Chance
    Rain then
    Rain

  • Tuesday Night

    Tuesday Night: Rain showers before 4am, then a slight chance of rain and snow showers. Low around 33. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

Detailed Forecast

Overnight
Cloudy, with a low around 17. Calm wind.
Monday
A chance of snow showers, mainly between 7am and 8am. Mostly cloudy, with a high near 34. South wind 3 to 7 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 25. Light southwest wind.
Tuesday
Rain, mainly after 3pm. High near 42. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain showers before 4am, then a slight chance of rain and snow showers. Low around 33. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
Showers. High near 49. Chance of precipitation is 80%.
Friday Night
Showers. Low around 42. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Cross Fork PA
 41.58°N 77.78°W (Elev. 1578 ft)
Last Update:
1:36 am EST Jan 5, 2026
Forecast Valid:
1am EST Jan 5, 2026-6pm EST Jan 11, 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