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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

8 Miles WSW Emporium PA

Dense Fog Advisory February 19, 08:49am until February 19, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory February 19, 08:49am until February 19, 11:00am

    NOW until 11:00am Thu

    Dense Fog Advisory

  • Today

    High: 50 °F

    Areas Dense
    Fog then
    Slight Chance
    Rain

  • Tonight

    Tonight: Rain before 3am, then rain, possibly mixed with sleet between 3am and 4am, then rain after 4am. Low around 35. Southeast wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no sleet accumulation expected.

    Low: 35 °F

    Rain Likely
    then
    Rain/Sleet

  • Friday

    Friday: Rain, mainly before 1pm. High near 51. Southeast wind around 9 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 33. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 40. West wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 37. Chance of precipitation is 80%.

    High: 37 °F

    Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Today
A slight chance of rain after 3pm. Areas of dense fog before 11am. Otherwise, cloudy, with a high near 50. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Rain before 3am, then rain, possibly mixed with sleet between 3am and 4am, then rain after 4am. Low around 35. Southeast wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no sleet accumulation expected.
Friday
Rain, mainly before 1pm. High near 51. Southeast wind around 9 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 33. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 40. West wind 5 to 8 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Sunday
Snow. High near 37. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
A chance of snow. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Emporium PA
 41.48°N 78.39°W (Elev. 1545 ft)
Last Update:
8:26 am EST Feb 19, 2026
Forecast Valid:
8am EST Feb 19, 2026-6pm EST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation