Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
28°F
-2°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.85 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 4.00 mi |
| Last update | 17 Jan 2:15 am EST |
Extended Forecast for
2 Miles ENE Brockport PA
Winter Weather Advisory January 17, 02:20am until January 18, 01:00am
NOW until 1:00am Sun

Winter Weather Advisory
Overnight

Low: 26 °F
Snow
Saturday
High: 36 °F
Snow then
Chance Snow
ShowersSaturday Night
Low: 15 °F
Slight Chance
Snow Showers
then Mostly
CloudySunday

High: 21 °F
Partly Sunny
Sunday Night

Low: 14 °F
Mostly Cloudy
M.L.King Day

High: 22 °F
Chance Snow
ShowersMonday Night

Low: 2 °F
Mostly Cloudy
Tuesday

High: 11 °F
Partly Sunny
Detailed Forecast
Overnight
Snow, mainly after 4am. Low around 26. South wind around 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
Snow, mainly before 8am, then a chance of snow showers after 1pm. High near 36. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A slight chance of snow showers before 11pm. Mostly cloudy, with a low around 15. West wind around 6 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 21. West wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 14. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
M.L.King Day
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 11.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 23.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Brockport PA
41.29°N 78.69°W (Elev. 1585 ft)
41.29°N 78.69°W (Elev. 1585 ft)
1:26 am EST Jan 17, 2026
2am EST Jan 17, 2026-6pm EST Jan 23, 2026



