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

32°F

0°C

Humidity 80%
Wind Speed W 13 G 21 mph
Barometer 30.24 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 1 Dec 2:15 am EST
Extended Forecast for

8 Miles WSW Galeton PA

Winter Weather Advisory December 2, 01:00am until December 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Northwest wind around 10 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 29. Northwest wind 5 to 8 mph becoming calm in the afternoon. Winds could gust as high as 20 mph.

    High: 29 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly after 5am. The snow could be heavy at times. Mostly cloudy, with a low around 20. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Mostly Cloudy
    then Heavy
    Snow

  • Tuesday

    Tuesday: Snow, mainly before 1pm. The snow could be heavy at times. High near 33. South wind around 6 mph becoming light and variable. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. Northwest wind 3 to 6 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 40%.

    High: 29 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Northwest wind around 10 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 29. Northwest wind 5 to 8 mph becoming calm in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Snow likely, mainly after 5am. The snow could be heavy at times. Mostly cloudy, with a low around 20. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow, mainly before 1pm. The snow could be heavy at times. High near 33. South wind around 6 mph becoming light and variable. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Mostly cloudy, with a low around 18. Northwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 27.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Cloudy, with a low around 24. Chance of precipitation is 40%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
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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:
2:01 am EST Dec 1, 2025
Forecast Valid:
2am EST Dec 1, 2025-6pm EST Dec 7, 2025
 
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