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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 Chill | 22°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
Overnight

Low: 21 °F
Mostly Cloudy
Monday

High: 29 °F
Partly Sunny
Monday Night
Low: 20 °F
Mostly Cloudy
then Heavy
SnowTuesday

High: 33 °F
Heavy Snow
Tuesday Night

Low: 18 °F
Mostly Cloudy
Wednesday

High: 32 °F
Partly Sunny
Wednesday Night

Low: 23 °F
Mostly Cloudy
Thursday

High: 29 °F
Chance Snow
ShowersThursday Night

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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
8 Miles WSW Galeton PA
41.69°N 77.77°W (Elev. 1699 ft)
41.69°N 77.77°W (Elev. 1699 ft)
2:01 am EST Dec 1, 2025
2am EST Dec 1, 2025-6pm EST Dec 7, 2025



