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.

Overcast

32°F

0°C

Humidity 60%
Wind Speed SE 10 G 16 mph
Barometer 30.23 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 29 Nov 11:35 pm EST
Extended Forecast for

6 Miles NW Westport PA

  • Tonight

    Tonight: Snow likely, mainly between 1am and 2am. Cloudy, with a low around 28. Southeast wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Sunday

    Sunday: Snow showers likely, possibly mixed with sleet before 2pm, then a chance of rain and snow showers between 2pm and 3pm. The snow could be heavy at times. Mostly cloudy, with a high near 38. South wind 11 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New snow and sleet accumulation of 1 to 2 inches possible.

    High: 38 °F

    Wintry Mix
    Likely

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 24. West wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph becoming light in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Snow likely after 1am. Mostly cloudy, with a low around 23. Light southeast wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow, mainly before 1pm. High near 34. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly between 1am and 2am. Cloudy, with a low around 28. Southeast wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow showers likely, possibly mixed with sleet before 2pm, then a chance of rain and snow showers between 2pm and 3pm. The snow could be heavy at times. Mostly cloudy, with a high near 38. South wind 11 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New snow and sleet accumulation of 1 to 2 inches possible.
Sunday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 24. West wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph becoming light in the afternoon.
Monday Night
Snow likely after 1am. Mostly cloudy, with a low around 23. Light southeast wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow, mainly before 1pm. High near 34. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A chance of snow before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Westport PA
 41.37°N 77.91°W (Elev. 2093 ft)
Last Update:
10:36 pm EST Nov 29, 2025
Forecast Valid:
11pm EST Nov 29, 2025-6pm EST Dec 6, 2025
 
Forecast Discussion
 
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Additional Resources

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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