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

27°F

-3°C

Humidity 74%
Wind Speed W 18 G 28 mph
Barometer 30.05 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 11 Jan 6:55 pm EST
Extended Forecast for

3 Miles S Kersey PA

  • Tonight

    Tonight: A chance of snow showers before 9pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 14 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 33. West wind 13 to 15 mph, with gusts as high as 30 mph.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. West wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. South wind around 10 mph, with gusts as high as 22 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 1am, then rain showers likely. Mostly cloudy, with a low around 34. Southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain, possibly mixed with snow showers. High near 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 70%.

    Low: 21 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.

    High: 24 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.

    Low: 13 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow showers before 9pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 14 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 33. West wind 13 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 26. West wind 10 to 13 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 38. South wind around 10 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of rain and snow showers before 1am, then rain showers likely. Mostly cloudy, with a low around 34. Southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow showers. High near 37. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely, becoming all snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 70%.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Friday
A chance of snow showers after 1pm. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Kersey PA
 41.28°N 78.6°W (Elev. 2067 ft)
Last Update:
3:41 pm EST Jan 11, 2026
Forecast Valid:
7pm EST Jan 11, 2026-6pm EST Jan 18, 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