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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles S Kersey PA

Extreme Cold Warning February 8, 04:46am until February 8, 10:00am
Click here for hazard details and duration
...
  •  
    Extreme Cold Warning February 8, 04:46am until February 8, 10:00am

    NOW until 10:00am Sun

    Extreme Cold Warning

  • Today

    High: 11 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -12. Northwest wind around 6 mph becoming calm in the evening.

    Low: -12 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 25. Wind chill values as low as -10. Calm wind.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 37. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 37 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Cloudy, with a low around 25. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 11. Wind chill values as low as -20. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around -12. Northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 25. Wind chill values as low as -10. Calm wind.
Monday Night
Mostly cloudy, with a low around 13. Calm wind.
Tuesday
Mostly cloudy, with a high near 37. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Cloudy, with a low around 25. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Mostly cloudy, with a high near 25.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Partly sunny, with a high near 32.
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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:
4:21 am EST Feb 8, 2026
Forecast Valid:
4am EST Feb 8, 2026-6pm EST Feb 14, 2026
 
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