National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

23°F

-5°C

Humidity 86%
Wind Speed W 10 mph
Barometer 30.07 in
Dewpoint 19°F (-7°C)
Visibility 3.00 mi
Wind Chill13°F (-11°C)
Last update 12 Feb 8:15 am EST
Extended Forecast for

3 Miles S Kersey PA

  • Today

    Today: Scattered snow showers, mainly before 11am. Cloudy, with a high near 23. Northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 23 °F

    Scattered
    Snow Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. West wind 6 to 9 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 38. West wind 7 to 9 mph.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered snow showers, mainly before 11am. Cloudy, with a high near 23. Northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 13. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 29. West wind 6 to 9 mph.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 38. West wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
A chance of snow after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 27.
Washington's Birthday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Wednesday
Showers likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Kersey PA
 41.29°N 78.63°W (Elev. 1896 ft)
Last Update:
7:05 am EST Feb 12, 2026
Forecast Valid:
8am EST Feb 12, 2026-6pm EST Feb 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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