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Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
30°F
-1°C
| Humidity | 93% |
| Wind Speed | S 5 mph |
| Barometer | 29.98 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 7.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 21 Jan 6:35 pm EST |
Extended Forecast for
6 Miles SSE James City PA
Winter Weather Advisory January 21, 06:46pm until January 22, 10:00am
NOW until 10:00am Thu
Winter Weather Advisory
Tonight
Low: 23 °F
Wintry Mix
Likely then
Snow LikelyThursday
High: 28 °F
Mostly Cloudy
Thursday Night
Low: 10 °F
Mostly Cloudy
Friday
High: 16 °F
Partly Sunny
Friday Night
Low: -4 °F
Mostly Cloudy
Saturday
High: 9 °F
Cold
Saturday Night
Low: 2 °F
Chance Snow
then Snow
LikelySunday
High: 14 °F
Snow
Detailed Forecast
Tonight
Snow and freezing rain likely, becoming all snow after 9pm, then gradually ending. Mostly cloudy, with a low around 23. Southwest wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of 1 to 3 inches possible.
Thursday
Mostly cloudy, with a high near 28. West wind 11 to 14 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 10. Wind chill values as low as zero. West wind 7 to 9 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 16. Wind chill values as low as -10. West wind 10 to 13 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around -4. West wind 3 to 8 mph.
Saturday
Partly sunny and cold, with a high near 9.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 2. Chance of precipitation is 70%.
Sunday
Snow. High near 14. Chance of precipitation is 80%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 6. Chance of precipitation is 60%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 14. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around -1.
Tuesday
Partly sunny, with a high near 14.
Tuesday Night
Mostly cloudy, with a low around 4.
Wednesday
A chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles SSE James City PA
41.54°N 78.79°W (Elev. 1699 ft)
41.54°N 78.79°W (Elev. 1699 ft)
2:26 pm EST Jan 21, 2026
6pm EST Jan 21, 2026-6pm EST Jan 28, 2026
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