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

11 Miles WSW Galeton PA

Winter Weather Advisory March 3, 08:00am until March 3, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. South wind around 9 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow, freezing rain, and sleet before 2pm, then freezing rain between 2pm and 3pm, then rain or freezing rain after 3pm. High near 35. South wind 8 to 10 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

    High: 35 °F

    Wintry Mix

  • Tuesday Night

    Tuesday Night: Rain, mainly before 9pm. Low around 33. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Partly sunny, with a high near 50. Calm wind. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 38. Light southeast wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: Rain. High near 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. South wind around 9 mph.
Tuesday
Snow, freezing rain, and sleet before 2pm, then freezing rain between 2pm and 3pm, then rain or freezing rain after 3pm. High near 35. South wind 8 to 10 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Tuesday Night
Rain, mainly before 9pm. Low around 33. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A slight chance of rain after 1pm. Partly sunny, with a high near 50. Calm wind. Chance of precipitation is 20%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Light southeast wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 45. Chance of precipitation is 90%.
Friday
Mostly cloudy, with a high near 58.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
Rain, mainly after 1pm. High near 64. Chance of precipitation is 80%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 60.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Galeton PA
 41.67°N 77.83°W (Elev. 1998 ft)
Last Update:
1:36 am EST Mar 3, 2026
Forecast Valid:
2am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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