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Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Fair
9°F
-13°C
| Humidity | 51% |
| Wind Speed | SW 5 mph |
| Barometer | 30.33 in |
| Dewpoint | -6°F (-21°C) |
| Visibility | 10.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 20 Jan 9:55 pm EST |
Extended Forecast for
Cross Fork PA
Winter Weather Advisory January 21, 12:00pm until January 22, 10:00am
Tonight

Low: 7 °F
Mostly Clear
Wednesday
High: 32 °F
Partly Sunny
then Snow
LikelyWednesday Night

Low: 25 °F
Snow Likely
Thursday

High: 33 °F
Partly Sunny
Thursday Night

Low: 13 °F
Mostly Cloudy
Friday

High: 18 °F
Partly Sunny
Friday Night

Low: -1 °F
Mostly Cloudy
Saturday

High: 11 °F
Partly Sunny
Saturday Night
Low: 5 °F
Mostly Cloudy
then Chance
Snow
Detailed Forecast
Tonight
Mostly clear, with a low around 7. Wind chill values as low as zero. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Snow likely, mainly after 1pm. Increasing clouds, with a high near 32. Wind chill values as low as zero. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 25. Southwest wind 6 to 8 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday
Partly sunny, with a high near 33. West wind 8 to 11 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 13. West wind around 7 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 18.
Friday Night
Mostly cloudy, with a low around -1.
Saturday
Partly sunny, with a high near 11.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 16. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 3. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 21.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Cross Fork PA
41.47°N 77.8°W (Elev. 1627 ft)
41.47°N 77.8°W (Elev. 1627 ft)
7:41 pm EST Jan 20, 2026
10pm EST Jan 20, 2026-6pm EST Jan 27, 2026



