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Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Partly Cloudy and Breezy
32°F
0°C
| Humidity | 44% |
| Wind Speed | W 21 G 30 mph |
| Barometer | 30.00 in |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 22 Jan 11:35 am EST |
Extended Forecast for
6 Miles ESE Sinnamahoning PA
Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Cold Weather Advisory January 23, 01:00pm until January 24, 10:00am
This Afternoon
High: 32 °F
Sunny
Tonight
Low: 15 °F
Partly Cloudy
Friday
High: 18 °F⇓
Mostly Sunny
Friday Night
Low: 0 °F
Partly Cloudy
Saturday
High: 12 °F
Partly Sunny
Saturday Night
Low: 7 °F
Chance Snow
then SnowSunday
High: 15 °F
Heavy Snow
Sunday Night
Low: 11 °F
Heavy Snow
Monday
High: 17 °F
Chance Snow
Detailed Forecast
This Afternoon
Sunny, with a high near 32. West wind 14 to 16 mph, with gusts as high as 33 mph.
Tonight
Partly cloudy, with a low around 15. West wind around 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a temperature rising to near 18 by 11am, then falling to around 7 during the remainder of the day. Wind chill values as low as -10. West wind around 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 0. Wind chill values as low as -15. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 12. Northwest wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Snow, mainly after 1am. Low around 7. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 15. Chance of precipitation is 100%.
Sunday Night
Snow. The snow could be heavy at times. Low around 11. Chance of precipitation is 90%.
Monday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around -2.
Tuesday
Partly sunny, with a high near 15.
Tuesday Night
Mostly cloudy, with a low around 5.
Wednesday
Mostly cloudy, with a high near 19.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles ESE Sinnamahoning PA
41.35°N 77.94°W (Elev. 1998 ft)
41.35°N 77.94°W (Elev. 1998 ft)
12:11 pm EST Jan 22, 2026
12pm EST Jan 22, 2026-6pm EST Jan 28, 2026
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