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

2 Miles E Grandview Park PA

Winter Weather Advisory until March 3, 01:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory until March 3, 01:00pm

    NOW until 1:00pm Tue

    Winter Weather Advisory

  • This Afternoon

    High: 39 °F

    Rain/Freezing
    Rain

  • Tonight

    Tonight: Showers, mainly before 11pm. Patchy fog after 3am. Low around 36. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Showers then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers. High near 55. Southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 49. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Rain or freezing rain, becoming all rain after 2pm. High near 39. Southeast wind 6 to 8 mph. Chance of precipitation is 80%. Total daytime ice accumulation of 0.1 to 0.2 of an inch possible.
Tonight
Showers, mainly before 11pm. Patchy fog after 3am. Low around 36. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 51. Light and variable wind.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers. High near 55. Southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers. Low around 49. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 62.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 68. Chance of precipitation is 90%.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Grandview Park PA
 41.41°N 78.49°W (Elev. 1752 ft)
Last Update:
11:47 am EST Mar 3, 2026
Forecast Valid:
12pm EST Mar 3, 2026-6pm EDT Mar 9, 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