Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
23°F
-5°C
| Humidity | 80% |
| Wind Speed | W 16 G 24 mph |
| Barometer | 29.74 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 10°F (-12°C) |
| Last update | 31 Dec 11:15 am EST |
Extended Forecast for
3 Miles NW Sinnamahoning PA
Winter Weather Advisory December 31, 04:00pm until January 1, 04:00pm
Today
High: 26 °F
Snow Showers
LikelyTonight
Low: 11 °F
Snow Showers
New Year's Day
High: 19 °F
Partly Sunny
Thursday Night
Low: 13 °F
Slight Chance
Snow ShowersFriday
High: 24 °F
Mostly Cloudy
Friday Night
Low: 16 °F
Mostly Cloudy
Saturday
High: 27 °F
Mostly Cloudy
Saturday Night
Low: 18 °F
Mostly Cloudy
Sunday
High: 28 °F
Mostly Cloudy
Detailed Forecast
Today
A slight chance of snow showers before 1pm, then snow showers likely after 4pm. Mostly cloudy, with a high near 26. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers, mainly before 1am. Low around 11. Wind chill values as low as zero. Northwest wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
New Year's Day
Partly sunny, with a high near 19. Wind chill values as low as -5. West wind around 11 mph, with gusts as high as 24 mph.
Thursday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 13. Wind chill values as low as zero. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 24. West wind around 10 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Mostly cloudy, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly cloudy, with a high near 35.
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)
11:06 am EST Dec 31, 2025
11am EST Dec 31, 2025-6pm EST Jan 6, 2026
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