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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

12°F

-11°C

Humidity 62%
Wind Speed W 14 G 20 mph
Barometer 30.07 in
Dewpoint 1°F (-17°C)
Visibility 5.00 mi
Wind Chill-4°F (-20°C)
Last update 29 Jan 1:55 pm EST
Extended Forecast for

2 Miles ENE Brockport PA

Cold Weather Advisory January 29, 07:00pm until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A slight chance of snow showers before 4pm, then a chance of flurries after 4pm. Mostly cloudy, with a high near 13. Wind chill values as low as zero. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 13 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Partly cloudy, with a low around -8. West wind around 5 mph becoming calm in the evening.

    Low: -8 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 11. Wind chill values as low as -10. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 11 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -10. Calm wind.

    Low: -10 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 14. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 14 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -5.

    Low: -5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of snow showers before 4pm, then a chance of flurries after 4pm. Mostly cloudy, with a high near 13. Wind chill values as low as zero. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around -8. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 11. Wind chill values as low as -10. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around -10. Calm wind.
Saturday
Mostly sunny, with a high near 14. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around -5.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 2.
Monday
Partly sunny, with a high near 23.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Mostly cloudy, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 7.
Wednesday
A chance of snow showers. Partly sunny, with a high near 25. Chance of precipitation is 30%.
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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:
1:05 pm EST Jan 29, 2026
Forecast Valid:
2pm EST Jan 29, 2026-6pm EST Feb 4, 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