National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles WSW Cross Fork PA

Winter Weather Advisory until March 17, 05:00pm
Wind Advisory March 16, 07:30pm until March 17, 08:00am
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
  •  
    Winter Weather Advisory until March 17, 05:00pm
    Wind Advisory March 16, 07:30pm until March 17, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 18 °F

    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 29. West wind 10 to 13 mph, with gusts as high as 36 mph.

    High: 29 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. Calm wind becoming south around 6 mph in the afternoon.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 2am. Mostly cloudy, with a low around 27. Light south wind. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 2pm, then a slight chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 8am. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain

Detailed Forecast

Tonight
Rain and snow before 1am, then a slight chance of snow between 1am and 2am. The snow could be heavy at times. Low around 18. West wind 9 to 11 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Tuesday
Mostly cloudy, with a high near 29. West wind 10 to 13 mph, with gusts as high as 36 mph.
Tuesday Night
Partly cloudy, with a low around 17. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 36. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A slight chance of snow after 2am. Mostly cloudy, with a low around 27. Light south wind. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow before 2pm, then a slight chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 20%.
Thursday Night
A chance of rain before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
A chance of rain after 8am. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Cross Fork PA
 41.44°N 77.93°W (Elev. 1411 ft)
Last Update:
4:46 pm EDT Mar 16, 2026
Forecast Valid:
7pm EDT Mar 16, 2026-6pm EDT Mar 23, 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