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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

Dense Fog Advisory until February 19, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 19, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 4pm and 5pm. Mostly cloudy, with a high near 45. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers, snow showers, and sleet likely before 3am, then rain and snow showers. Low around 33. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    Low: 33 °F

    Chance
    Showers then
    Wintry Mix

  • Friday

    Friday: Rain, possibly mixed with snow showers, becoming all rain after 7am. High near 43. Southeast wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    then Showers

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 30. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: Snow showers likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.

    High: 33 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Light and variable wind.
Thursday
A slight chance of showers between 4pm and 5pm. Mostly cloudy, with a high near 45. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Rain showers, snow showers, and sleet likely before 3am, then rain and snow showers. Low around 33. Southeast wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Friday
Rain, possibly mixed with snow showers, becoming all rain after 7am. High near 43. Southeast wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 30. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 36.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Galeton PA
 41.67°N 77.83°W (Elev. 1998 ft)
Last Update:
10:21 pm EST Feb 18, 2026
Forecast Valid:
1am EST Feb 19, 2026-6pm EST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation