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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 | 75% |
| Wind Speed | N 9 mph |
| Barometer | 30.31 in |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 1 Dec 6:15 am EST |
Extended Forecast for
3 Miles NW Sinnamahoning PA
Winter Weather Advisory December 2, 01:00am until December 2, 01:00pm
Today
High: 30 °F
Mostly Sunny
Tonight
Low: 24 °F
Mostly Cloudy
then Snow
LikelyTuesday
High: 33 °F
Snow
Tuesday Night
Low: 21 °F
Mostly Cloudy
Wednesday
High: 31 °F
Mostly Cloudy
Wednesday Night
Low: 24 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersThursday
High: 30 °F
Chance Snow
ShowersThursday Night
Low: 10 °F
Partly Cloudy
Friday
High: 27 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 30. Northwest wind 5 to 10 mph becoming light north in the afternoon. Winds could gust as high as 20 mph.
Tonight
Snow likely, mainly after 4am. Mostly cloudy, with a low around 24. Calm wind becoming southeast 5 to 9 mph in the evening. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Snow, mainly before 1pm. High near 33. Southeast wind 5 to 7 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 21. Northwest wind 6 to 8 mph.
Wednesday
Mostly cloudy, with a high near 31. Southwest wind around 7 mph.
Wednesday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Thursday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 27.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Cloudy, with a low around 26. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NW Sinnamahoning PA
41.41°N 78.11°W (Elev. 2169 ft)
41.41°N 78.11°W (Elev. 2169 ft)
2:56 am EST Dec 1, 2025
6am EST Dec 1, 2025-6pm EST Dec 7, 2025
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