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Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
10°F
-12°C
| Humidity | 52% |
| Wind Speed | E 10 mph |
| Barometer | 30.45 in |
| Dewpoint | -4°F (-20°C) |
| Visibility | 10.00 mi |
| Wind Chill | -4°F (-20°C) |
| Last update | 24 Jan 10:55 pm EST |
Extended Forecast for
3 Miles NW Sinnamahoning PA
Winter Storm Warning until January 26, 01:00pm
NOW until 1:00pm Mon
Winter Storm Warning
Tonight
Low: 7 °F
Snow
Sunday
High: 15 °F
Heavy Snow
Sunday Night
Low: 12 °F
Heavy Snow
Monday
High: 17 °F
Snow Showers
Likely then
Chance Snow
ShowersMonday Night
Low: -1 °F
Mostly Cloudy
Tuesday
High: 11 °F
Mostly Cloudy
Tuesday Night
Low: 2 °F
Mostly Cloudy
Wednesday
High: 14 °F
Mostly Cloudy
Detailed Forecast
Tonight
Snow, mainly after 4am. Low around 7. Wind chill values as low as -5. Southeast wind 6 to 9 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow. The snow could be heavy at times. High near 15. Wind chill values as low as -5. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow, mainly before 4am, then snow showers likely after 4am. The snow could be heavy at times. Low around 12. Wind chill values as low as zero. East wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow showers likely, mainly before 7am. Mostly cloudy, with a high near 17. Wind chill values as low as zero. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around -1. West wind around 14 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 11.
Tuesday Night
Mostly cloudy, with a low around 2.
Wednesday
Mostly cloudy, with a high near 14.
Wednesday Night
Mostly cloudy, with a low around 0.
Thursday
Mostly cloudy, with a high near 14.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Partly sunny, with a high near 15.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
Partly sunny, with a high near 19.
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)
7:05 pm EST Jan 24, 2026
11pm EST Jan 24, 2026-6pm EST Jan 31, 2026
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