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.

Overcast

30°F

-1°C

Humidity 86%
Wind Speed W 14 G 21 mph
Barometer 30.06 in
Dewpoint 27°F (-3°C)
Visibility 0.75 mi
Wind Chill19°F (-7°C)
Last update 4 Dec 9:55 am EST
Extended Forecast for

8 Miles WSW Galeton PA

Snow Squall Warning until December 4, 10:45am
Click here for hazard details and duration
...
  •  
    Snow Squall Warning until December 4, 10:45am

    NOW until 10:45am Thu

    Snow Squall Warning

  • Today

    High: 28 °F⇓

    Chance Snow
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Northwest wind around 6 mph becoming calm in the evening.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 26. Wind chill values as low as zero. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 26 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. South wind 3 to 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of snow showers, mainly before 3pm. Cloudy early, then becoming mostly sunny, with a temperature falling to around 19 by 5pm. West wind 10 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Tonight
Partly cloudy, with a low around 7. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 26. Wind chill values as low as zero. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 18. South wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 34. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Mostly sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Wednesday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Galeton PA
 41.69°N 77.77°W (Elev. 1699 ft)
Last Update:
9:36 am EST Dec 4, 2025
Forecast Valid:
10am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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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