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

10 Miles WSW Galeton PA

Dense Fog Advisory March 4, 04:14am until March 4, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 4, 04:14am until March 4, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Today

    High: 49 °F

    Areas Dense
    Fog

  • Tonight

    Tonight: A chance of rain, mainly after 3am. Mostly cloudy, with a low around 38. Light south wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 47. Southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 43. South wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: A slight chance of rain. Mostly cloudy, with a high near 53. South wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly after 1pm. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Today
Areas of dense fog before 1pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. Light and variable wind.
Tonight
A chance of rain, mainly after 3am. Mostly cloudy, with a low around 38. Light south wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 47. 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
Rain. Low around 43. South wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of rain. Mostly cloudy, with a high near 53. South wind 6 to 8 mph. Chance of precipitation is 20%.
Friday Night
A chance of rain, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain, mainly after 1pm. High near 65. Chance of precipitation is 90%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 46.
Tuesday
A chance of rain. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Galeton PA
 41.67°N 77.83°W (Elev. 1998 ft)
Last Update:
1:34 am EST Mar 4, 2026
Forecast Valid:
4am EST Mar 4, 2026-6pm EDT Mar 10, 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