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Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
34°F
1°C
| Humidity | 75% |
| Wind Speed | SW 9 G 16 mph |
| Barometer | 29.71 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 10 Dec 12:15 am EST |
Extended Forecast for
3 Miles WSW Ridgway PA
Winter Weather Advisory December 10, 01:00am until December 10, 10:00pm
Overnight

Low: 27 °F
Snow
Wednesday

High: 36 °F
Snow
Wednesday Night

Low: 19 °F
Snow Showers
Thursday

High: 25 °F
Snow Showers
LikelyThursday Night

Low: 18 °F
Chance Snow
ShowersFriday

High: 28 °F
Chance Snow
Friday Night

Low: 16 °F
Snow Likely
Saturday

High: 29 °F
Snow Likely
Saturday Night

Low: 16 °F
Snow
Detailed Forecast
Overnight
Snow, mainly after 2am. Low around 27. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Snow, mainly before 5pm. High near 36. Southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers. Low around 19. West 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.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 25. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 18. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Friday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.
Saturday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Saturday Night
Snow. Low around 16. Chance of precipitation is 80%.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Monday
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 27.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Ridgway PA
41.41°N 78.78°W (Elev. 1706 ft)
41.41°N 78.78°W (Elev. 1706 ft)
7:06 pm EST Dec 9, 2025
12am EST Dec 10, 2025-6pm EST Dec 16, 2025



