
Major Winter Storm Impacting Central PA into Monday
Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
14°F
-10°C
| Humidity | 79% |
| Wind Speed | E 7 mph |
| Barometer | 29.68 in |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 4°F (-16°C) |
| Last update | 25 Jan 9:35 pm EST |
Extended Forecast for
6 Miles ESE Sinnamahoning PA
Winter Storm Warning January 25, 09:40pm until January 26, 01:00pm
NOW until 1:00pm Mon
Winter Storm Warning
Tonight
Low: 10 °F
Snow then
Chance Snow
ShowersMonday

High: 18 °F
Chance Snow
ShowersMonday Night

Low: 1 °F
Mostly Cloudy
Tuesday

High: 13 °F
Partly Sunny
Tuesday Night

Low: 2 °F
Mostly Cloudy
Wednesday

High: 13 °F
Partly Sunny
Wednesday Night

Low: -2 °F
Mostly Cloudy
Thursday

High: 13 °F
Partly Sunny
Detailed Forecast
Tonight
Snow before midnight, then a chance of snow showers, mainly between midnight and 4am. Low around 10. Wind chill values as low as zero. East wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 18. Wind chill values as low as zero. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 1. Wind chill values as low as -15. West wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 13. Wind chill values as low as -15. West wind around 11 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 2. West wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 13.
Wednesday Night
Mostly cloudy, with a low around -2.
Thursday
Partly sunny, with a high near 13.
Thursday Night
Partly cloudy, with a low around -5.
Friday
Partly sunny, with a high near 12.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
Partly sunny, with a high near 19.
Saturday Night
Partly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 23.
Additional Forecasts and Information
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ABOUT 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)
8:56 pm EST Jan 25, 2026
9pm EST Jan 25, 2026-6pm EST Feb 1, 2026



