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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

Wind Advisory until March 14, 11:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until March 14, 11:00am

    NOW until 11:00am Sat

    Wind Advisory

  • This Afternoon

    High: 38 °F

    Snow Showers

  • Tonight

    Tonight: Rain and snow showers before 11pm, then a slight chance of snow showers after 2am. Low around 25. Breezy, with a west wind 16 to 20 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    then Slight
    Chance Snow
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 35. West wind 11 to 17 mph, with gusts as high as 43 mph.

    High: 35 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Increasing clouds, with a low around 25. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 25 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers before 8am. Mostly cloudy, with a high near 45. South wind 9 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Monday Night

    Monday Night: Rain, possibly mixed with snow showers, becoming all snow after 8pm, then gradually ending. Low around 17. Breezy. Chance of precipitation is 80%.

    Low: 17 °F

    Breezy.
    Rain/Snow
    then Snow
    Showers
    Likely

Detailed Forecast

This Afternoon
Snow showers, mainly before 4pm. High near 38. South wind around 16 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
Tonight
Rain and snow showers before 11pm, then a slight chance of snow showers after 2am. Low around 25. Breezy, with a west wind 16 to 20 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 35. West wind 11 to 17 mph, with gusts as high as 43 mph.
Saturday Night
A chance of snow showers after 2am. Increasing clouds, with a low around 25. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A chance of snow showers before 8am. Mostly cloudy, with a high near 45. South wind 9 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 8am. High near 57. Chance of precipitation is 90%.
Monday Night
Rain, possibly mixed with snow showers, becoming all snow after 8pm, then gradually ending. Low around 17. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly cloudy, with a high near 22. Breezy.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Galeton PA
 41.65°N 77.83°W (Elev. 2113 ft)
Last Update:
2:20 pm EDT Mar 13, 2026
Forecast Valid:
3pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation