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

8 Miles NE Cross Fork PA

Dense Fog Advisory March 5, 01:38am until March 5, 04:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 01:38am until March 5, 04:00am

    NOW until 4:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 38 °F

    Rain and
    Areas Dense
    Fog

  • Thursday

    Thursday: Rain. Areas of dense fog before 11am. High near 45. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Rain and
    Areas Dense
    Fog

  • Thursday Night

    Thursday Night: Rain, mainly before 2am. Patchy fog after 5am. Low around 41. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain then
    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: A slight chance of rain before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 46. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 1pm, then showers likely after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Overnight
Rain, mainly after 3am. Areas of dense fog. Low around 38. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Areas of dense fog before 11am. High near 45. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain, mainly before 2am. Patchy fog after 5am. Low around 41. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A slight chance of rain before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 46. South wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
A chance of rain before 1pm, then showers likely after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 47.
Tuesday
A chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NE Cross Fork PA
 41.55°N 77.7°W (Elev. 1299 ft)
Last Update:
1:21 am EST Mar 5, 2026
Forecast Valid:
1am EST Mar 5, 2026-6pm EDT Mar 11, 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