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 80%
Wind Speed W 12 G 16 mph
Barometer 30.14 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 5:35 am EST
Extended Forecast for

6 Miles WSW Cross Fork PA

  • Today

    Today: Mostly cloudy, with a high near 37. West wind 8 to 11 mph, with gusts as high as 29 mph.

    High: 37 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 28. West wind around 6 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly after 1pm. High near 42. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then snow after 1am. Low around 23. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Rain/Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.

    High: 28 °F

    Chance Snow

  • 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 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 37. West wind 8 to 11 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 28. West wind around 6 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 43. Southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Tuesday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 1pm. High near 42. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then snow after 1am. Low around 23. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
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 28.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 24. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Cross Fork PA
 41.44°N 77.93°W (Elev. 1411 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

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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