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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 | 79% |
| Wind Speed | W 10 mph |
| Barometer | 29.95 in |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | -4°F (-20°C) |
| Last update | 27 Jan 8:15 pm EST |
Extended Forecast for
3 Miles NW Sinnamahoning PA
Cold Weather Advisory until January 28, 10:00am
NOW until 10:00am Wed
Cold Weather Advisory
Tonight
Low: 0 °F
Slight Chance
Snow Showers
then Mostly
CloudyWednesday

High: 11 °F
Partly Sunny
Wednesday Night

Low: -1 °F
Mostly Cloudy
Thursday

High: 12 °F
Partly Sunny
Thursday Night

Low: -6 °F
Partly Cloudy
Friday

High: 11 °F
Mostly Sunny
Friday Night

Low: -10 °F
Partly Cloudy
Saturday

High: 14 °F
Partly Sunny
Detailed Forecast
Tonight
A slight chance of snow showers before 10pm, then a chance of flurries after 10pm. Mostly cloudy, with a low around 0. Wind chill values as low as -15. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 11. Wind chill values as low as -15. West wind around 9 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around -1. Wind chill values as low as -15. West wind around 9 mph.
Thursday
Partly sunny, with a high near 12. Wind chill values as low as -15. West wind around 10 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around -6. West wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 11.
Friday Night
Partly cloudy, with a low around -10.
Saturday
Partly sunny, with a high near 14.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 24.
Additional Forecasts and Information
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ABOUT 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)
7:06 pm EST Jan 27, 2026
8pm EST Jan 27, 2026-6pm EST Feb 3, 2026



