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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

Wind Advisory March 13, 11:00am until March 14, 02:00am
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 27. Light southwest wind.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers before 1pm, then rain and snow showers likely between 1pm and 4pm, then rain showers likely after 4pm. Mostly cloudy, with a high near 46. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely and
    Breezy

  • Friday Night

    Friday Night: A chance of rain showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 26. West wind 16 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 42. West wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 29. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers before 8am. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 50%.

    Low: 46 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, mainly after 8am. High near 63. Breezy. Chance of precipitation is 90%.

    High: 63 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain likely, possibly mixed with snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 60%.

    Low: 19 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance Snow
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. Light southwest wind.
Friday
A chance of snow showers before 1pm, then rain and snow showers likely between 1pm and 4pm, then rain showers likely after 4pm. Mostly cloudy, with a high near 46. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
A chance of rain showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 26. West wind 16 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 42. West wind 10 to 13 mph, with gusts as high as 25 mph.
Saturday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 29. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow showers before 8am. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Sunday Night
A chance of rain after 2am. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 50%.
Monday
Rain, mainly after 8am. High near 63. Breezy. Chance of precipitation is 90%.
Monday Night
Rain likely, possibly mixed with snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 60%.
Tuesday
A chance of snow showers between 8am and 2pm. Mostly cloudy, with a high near 26. Breezy. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
A chance of showers. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Brockport PA
 41.29°N 78.69°W (Elev. 1585 ft)
Last Update:
8:41 pm EDT Mar 12, 2026
Forecast Valid:
1am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation