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 SSE James City PA

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

    NOW until 1:00pm Tue

    Winter Weather Advisory

  • Today

    High: 40 °F

    Rain/Freezing
    Rain then
    Rain

  • Tonight

    Tonight: Rain, mainly before 10pm. Patchy fog after 1am. Low around 35. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain then
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 53. Calm wind. Chance of precipitation is 20%.

    High: 53 °F

    Areas Dense
    Fog then
    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: Rain. High near 56. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 4am, then rain likely. Low around 49. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Rain or freezing rain, becoming all rain after noon. High near 40. Southeast wind around 7 mph. Chance of precipitation is 90%. Total daytime ice accumulation of around a 0.1 of an inch possible.
Tonight
Rain, mainly before 10pm. Patchy fog after 1am. Low around 35. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of rain after 1pm. Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 53. Calm wind. Chance of precipitation is 20%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 56. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 4am, then rain likely. Low around 49. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 62.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Saturday
Rain, mainly after 1pm. High near 68. Chance of precipitation is 90%.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE James City PA
 41.54°N 78.79°W (Elev. 1699 ft)
Last Update:
9:36 am EST Mar 3, 2026
Forecast Valid:
10am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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