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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles ENE Brockport PA

  • Tonight

    Tonight: A slight chance of snow showers before 1am, then snow likely after 1am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: Snow. High near 34. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 27. Northwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 33. Northwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 11. Northwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 11 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.

    Low: 19 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday

    Wednesday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

    High: 39 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 1am, then rain showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
A slight chance of snow showers before 1am, then snow likely after 1am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow. High near 34. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow likely. Cloudy, with a low around 27. Northwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 33. Northwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 11. Northwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Wednesday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow showers before 1am, then rain showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
Rain showers likely before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Brockport PA
 41.29°N 78.69°W (Elev. 1585 ft)
Last Update:
7:06 pm EST Feb 21, 2026
Forecast Valid:
7pm EST Feb 21, 2026-6pm EST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation