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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

Johnsonburg PA

Winter Weather Advisory February 24, 09:00pm until February 25, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 28. Wind chill values as low as zero. West wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow showers before 10pm, then snow, mainly after 10pm. Low around 22. Light south wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow

  • Wednesday

    Wednesday: A chance of snow before 7am, then a chance of snow showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 38. Southwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 21 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 34. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 1am. Partly cloudy, with a low around 17. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 28. Wind chill values as low as zero. West wind 6 to 8 mph, with gusts as high as 20 mph.
Tonight
A chance of snow showers before 10pm, then snow, mainly after 10pm. Low around 22. Light south wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A chance of snow before 7am, then a chance of snow showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 38. Southwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly cloudy, with a low around 19. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 34. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A slight chance of snow showers before 1am. Partly cloudy, with a low around 17. Chance of precipitation is 20%.
Friday
Sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 29.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Monday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnsonburg PA
 41.49°N 78.68°W (Elev. 1499 ft)
Last Update:
6:21 am EST Feb 24, 2026
Forecast Valid:
6am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation