National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Light Snow

27°F

-3°C

Humidity 86%
Wind Speed W 7 mph
Barometer 30.21 in
Dewpoint 23°F (-5°C)
Visibility 5.00 mi
Wind Chill19°F (-7°C)
Last update 3 Dec 4:35 am EST
Extended Forecast for

2 Miles ENE Brockport PA

Winter Storm Watch December 4, 04:00pm until December 6, 04:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Snow showers likely. Cloudy, with a low around 24. West wind around 7 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: Snow showers, mainly before 1pm. High near 33. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 33 °F

    Snow Showers

  • Tuesday Night

    Tuesday Night: Isolated snow showers before 1am. Mostly cloudy, with a low around 21. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Isolated Snow
    Showers

  • Wednesday

    Wednesday: Light snow likely after 1pm. Cloudy, with a high near 33. Southwest wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Cloudy then
    Light Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 21. Southwest wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers. High near 25. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Snow showers, mainly before 1am. Low around 18. Chance of precipitation is 80%.

    Low: 18 °F

    Snow Showers

  • Friday

    Friday: A chance of snow showers before 1pm. Partly sunny, with a high near 28. Chance of precipitation is 40%.

    High: 28 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow showers likely. Cloudy, with a low around 24. West wind around 7 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow showers, mainly before 1pm. High near 33. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday Night
Isolated snow showers before 1am. Mostly cloudy, with a low around 21. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Light snow likely after 1pm. Cloudy, with a high near 33. Southwest wind 10 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers. Low around 21. Southwest wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow showers. High near 25. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers, mainly before 1am. Low around 18. Chance of precipitation is 80%.
Friday
A chance of snow showers before 1pm. Partly sunny, with a high near 28. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 35.
Sunday Night
A chance of freezing rain. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Brockport PA
 41.29°N 78.69°W (Elev. 1585 ft)
Last Update:
3:40 am EST Dec 3, 2024
Forecast Valid:
4am EST Dec 3, 2024-6pm EST Dec 9, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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