Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
19°F
-7°C
| Humidity | 63% |
| Wind Speed | W 7 mph |
| Barometer | 29.88 in |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 10°F (-12°C) |
| Last update | 18 Jan 8:35 pm EST |
Extended Forecast for
3 Miles E Sinnamahoning PA
Cold Weather Advisory January 19, 09:00pm until January 20, 11:00am
Tonight
Low: 15 °F
Cloudy
M.L.King Day
High: 24 °F
Chance Snow
ShowersMonday Night
Low: 4 °F
Mostly Cloudy
Tuesday
High: 13 °F
Partly Sunny
Tuesday Night
Low: 6 °F
Mostly Clear
Wednesday
High: 31 °F
Partly Sunny
then Chance
Snow ShowersWednesday Night
Low: 23 °F
Snow Showers
LikelyThursday
High: 29 °F
Chance Snow
ShowersThursday Night
Low: 9 °F
Mostly Cloudy
Detailed Forecast
Tonight
Cloudy, with a low around 15. West wind around 6 mph.
M.L.King Day
A chance of snow showers, mainly between 11am and 3pm. Mostly cloudy, with a high near 24. West wind 7 to 16 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 4. Wind chill values as low as -10. West wind 10 to 16 mph, with gusts as high as 39 mph.
Tuesday
Partly sunny, with a high near 13. Wind chill values as low as -10. West wind around 11 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly clear, with a low around 6. West wind around 7 mph, with gusts as high as 20 mph.
Wednesday
A chance of snow showers after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Partly sunny, with a high near 22.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
A chance of snow showers. Partly sunny, with a high near 20. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 15. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Sinnamahoning PA
41.38°N 78°W (Elev. 1988 ft)
41.38°N 78°W (Elev. 1988 ft)
7:58 pm EST Jan 18, 2026
8pm EST Jan 18, 2026-6pm EST Jan 25, 2026
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