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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

32°F

0°C

Humidity 69%
Wind Speed W 9 mph
Barometer 29.91 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 27 Nov 10:35 am EST
Extended Forecast for

2 Miles ENE Brockport PA

Winter Weather Advisory until November 29, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until November 29, 01:00am

    NOW until 1:00am Sat

    Winter Weather Advisory

  • Thanksgiving Day

    High: 33 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers, mainly after 7pm. Low around 23. West wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Snow Showers

  • Friday

    Friday: Snow showers, mainly before 1pm. High near 33. West wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 33 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 21. West wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 33. West wind 3 to 6 mph.

    High: 33 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 1am. Cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers before 1pm, then rain and snow showers. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Snow Showers
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 1am. Cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Showers
    Likely

Detailed Forecast

Thanksgiving Day
A slight chance of snow showers before 1pm, then scattered flurries between 1pm and 3pm, then a chance of snow showers after 3pm. Cloudy, with a high near 33. West wind 16 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Tonight
Snow showers, mainly after 7pm. Low around 23. West wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
Snow showers, mainly before 1pm. High near 33. West wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 21. West wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 33. West wind 3 to 6 mph.
Saturday Night
Snow showers likely, mainly after 1am. Cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Snow showers before 1pm, then rain and snow showers. High near 39. Chance of precipitation is 90%.
Sunday Night
Snow showers likely, mainly before 1am. Cloudy, with a low around 23. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 33.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 33.
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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:
7:50 am EST Nov 27, 2025
Forecast Valid:
10am EST Nov 27, 2025-6pm EST Dec 3, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation